turf

What is your lawn doing for you?

Hard to believe, but we have arrived at the mid-point of the lawn care season.  That’s right…if you typically mow your lawn 30 times per season, you have probably made 15 trips across your lawn so far in 2024. 

So, why do you do it?  What motivates you to have a great lawn?

Why does Hall | Stewart Lawn + Landscape have a passion for helping you have your best lawn?

Are all our efforts only in the pursuit of laying claim to the best lawn on the block?   

 

Why do we work so hard to have a great lawn? 

Is there anything more to a healthy, green lawn than curb appeal and feeling good about ourselves?

Have you ever pondered what a healthy lawn does for you?

 

Too often great lawns get a bad rap. 

In the race to reduce carbon output and conserve water, have we forgotten the long list of benefits of a healthy lawn? 

Concerns over water supplies, herbicides, pollutants, and your carbon footprint have caused some to race toward a more minimalist approach to landscapes and lawns. 

 

Has the American lawn, green, neatly trimmed, symbol of civic virtue, outlived its purpose?

Is it good for the environment when living plants are replaced with artificial materials or hardscape?

Yes, water will be saved.  Yes, there will be less fertilizer used. 

But is there more to consider?

 

When it comes to the benefits of turfgrass most people don’t give it much thought.  The environmental benefits of a healthy lawn are seldom considered.

 

Can you answer the question, “What is your lawn doing for you?”

 

Let’s explore a few things your lawn is doing for you:

Turfgrass captures carbon.

Healthy lawns absorb carbon dioxide and replace it with oxygen.  A lawn is simply a grouping of thousands of oxygen making plants.

The average, managed lawn captures more carbon than a lawnmower produces.

The average lawn captures 300 lbs. of carbon per year and has a net positive impact on our environment. 


A 2,500 sq. ft lawn, half the size of the average lawn, provides enough oxygen for a family of four. 


What is a managed lawn?  A lawn that receives regular mowing, some fertilizer and weed control applications.  Maintaining a healthy turfgrass environment provides us with a critical component of a healthy world – less carbon.  

 

  • An Ohio State Study found lawns that received only an occasional mowing and no fertilizer or weed control capture far less carbon.   

 

Maintenance habits have a big influence on whether turfgrass helps or hurts the environment. Lawns cut too short typically create a negative carbon exchange.  Weedy lawns, nutrient deficient lawns, and drought stress lawns result in thin lawns that have a negative impact on the environment.    

 

  • EPA reports that turf grasses in the United States offset the carbon emissions of 5.2 million cars every year.

Actively growing and healthy lawns reduce heat.  

A well-maintained lawn around homes can reduce air temperatures on the average 15 to 30 degrees compared to concrete, asphalt or gravel.

 

  • The California Energy Commission found the cooling effect of an average size lawn is equal to nearly 9 tons of air conditioning.

 

Grass cools the air by absorbing solar radiation and through evapotranspiration.

 

  • Studies estimate that improved planting and maintenance of lawns and landscapes around homes could reduce total US air conditioning requirements by 25%. 

A healthy turf captures pollutants and reduces runoff.  

Less runoff increases infiltration of water into the groundwater supply.  A dense root system traps and removes pollutants moving through the soil and into the water supply.  The natural filtration system of healthy turfgrass improves water quality. 

 

  • Lawns are the best natural water purifier.

 

Turfgrass is more effective at stopping erosion than any other plant.  Grass naturally slows runoff and allows more water to be absorbed.

Healthy lawns improve air quality.   

Healthy lawns contribute to improved air quality by acting as traps for dust and particles.  Because a lawn completely covers a soil surface, particles are prevented from being blown to another area.

 

  • Compared to hard surfaces, turf grass traps 10 to 30 times more air particles and pollution.

 

Lawns are a major component of higher home values.

Smart Money reported consumers value a home with a well-maintained lawn and landscape on average 11.3% over the base value. 

Well maintained lawns are one of the most important factors individuals and families consider when deciding where to live.

Yes, there is a place for synthetic turf in the landscape as a part of an experiential environment.

Great lawns benefit the community and human health.

Green areas enhance community pride, provide places for people to come together and promote outdoor activity. 

Lawns knit neighborhoods together.  Lawns connect people.

Studies show people who live and work with a view of lawns and landscapes compared to hard surfaces are found to recover from stress quicker, experience fewer headaches, and are more productive.

 

  • Two studies show that children with Attention-Deficit/Hyperactivity Disorder have shown that green spaces, such as lawn areas, experience less severe symptoms.

 

Studies have also found the noise absorption capacity of turfgrass is significant.

Lawns are where memories are made.  No doubt, everyone can easily think of fond memories on the lawn with family and friends.

The belief that well maintained lawns are an environmental liability is short-sighted. 

Don’t fall for myth that a healthy lawn isn’t good for the environment. 

Water concerns are legitimate. Education on proper watering is important.  Deep, infrequent watering, based on the lawn’s needs, is a key to developing a healthy lawn that is good for the environment. 

 

  • The scientific study “The Role of Turfgrasses in Environmental Protection and Their Benefits to Humans” stated, “the main cause for excessive landscape water use in most situations is the human factor.”

Excessive use of fertilizers and herbicides is a problem.  But, when used properly, according to the label, fertilizers and herbicides are important ingredients in creating a healthy lawn that is beneficial to the world in which we live, work and play.

 

  • James Beard, Professor Emeritus of Texas A&M, said, “The environmental benefits of turfgrass are the most sensible and economically feasible approach to counter the greenhouse effect.”

 

So, what has your lawn done for you lately? 

Far more than you can imagine!

 

Lorne Hall

Hall | Stewart Lawn + Landscape

(405)367-3873

Nutsedge – Possibly The World’s Worst Weed

Sorry…no pretty pictures to inspire you in the landscape this week. 

It’s time to discuss what is often the most challenging part of lawn care this time of year….Nutsedge Control!

And I know, I know, I have called many weeds “the world’s worst weed”, but If I am asked what are some of the weeds that give all lawn enthusiast the most difficulty, there is a 100% chance I am going to respond without hesitation: “NUTSEDGE!” 

Nutsedge is fast growing, has an upright growth habit and light green in color. Because it grows nearly twice as fast as your turf and is lighter, it ruins the best maintained lawns within a couple days of mowing.   

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What does nutsedge look like?

Commonly called nutgrass because it looks like a grass, but it is a sedge with triangular ‘V’ shaped leaf blade arranged in groups of three at the base.

Nutsedge grows faster, has a more upright growth habit, is lighter in color and has a thicker, stiffer leaf blade than your turf grass.     

What are the best growing conditions for nutsedge?

Nutsedge thrives in moist, tight soils.  It is common to find it growing in areas of poor drainage, around irrigation leaks, and in lawns that are watered too frequently. 

Although nutgrass starts in overwatered lawns or areas of poor drainage, once it is established it thrives with normal irrigation, in dry lawns and even through a drought leading many to believe nutgrass has more to do with the soil structure than moisture. 

Nutsedge also prefers full sun and doesn’t grow well in shade and typically isn’t a problem in shady lawn areas.

Nutsedge first emerges in May and continues to thrive until the first frost.

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Why is nutsedge so difficult to control?Nutsedge is a perennial weed. Perennial weeds are always more difficult to control. But, nutsedge is one of the toughest because it spreads by underground tubers. The tubers grow 6-12” deep and are referred to…

Why is nutsedge so difficult to control?

Nutsedge is a perennial weed. Perennial weeds are always more difficult to control.  But nutsedge is one of the toughest, because it spreads by underground tubers.  Four to six weeks after the first blades emerge, typically in late June to early July, nutsedge begin forming new tubers (nutlets) and rhizomes (underground stems). 

The tubers grow 6-12” deep and are referred to as nuts - thus the common name of nutgrass.  Nutsedge spreads by growing rhizomes which produces more nuts.  Weeds that propagate through tubers and rhizomes are very difficult to control because unless you get control of the rhizome and tuber, the plant will sprout new growth within a few days.  Also, tubers can remain dormant in soil for three seasons.

Be proactive.  With the first sign of nutsedge, take action. Nutsedge is much harder to control once it has been allowed to spread and mature. 

Weed killers labeled for use on nutsedge will be either a contact killer or a systemic.  A contact herbicide will kill only the leaves and the tubers and rhizomes will remain active if you make only a single application. Systemic products will translocate through the plant to the tubers and rhizomes. 

Remember, single applications of most herbicides labeled for nutsedge will kill the plant leaves but leave the nut unaffected.

Because it is not a grassy or broadleaf weed, common herbicides will have little to no control.  For nutsedge control you must search out products specifically labeled for nutsedge.

In late June to early July, uncontrolled areas of nutsedge will begin to multiply and take over areas.

A few herbicides available at most garden centers labeled for nutgrass include:

  • Basagran – A second application must be made 7-10 days after the first application.

  • Image Nutsedge Killer – Requires a second application 3-4 weeks later.

  • Sedge Hammer Plus – Must have a surfactant mixed with the herbicide to be effective and a second application will need to be made in 6 weeks.

  • Ortho Nutsedge Killer and Gordon’s Trimec Nutsedge Plus – Both require follow up treatments every 4 weeks.

Please read the label and follow it.  You will need to know your turf type.  Read the label to make sure you can use the product on your lawn.

Is pulling nutsedge a good idea?Pulling nutsedge is only recommended when the plant is very small before nuts start to develop on the rhizomes. Once nuts start to develop, you must remove the nut when pulling the weed, which is typically 6-12” below…

Is pulling nutsedge a good idea?

Pulling nutsedge is only recommended when the plant is very small before nuts start to develop on the rhizomes (May through June).  Once nuts start to develop, you must remove the nut when pulling the weed, which is typically 6-12” below the surface. 

If you pull the weed and leave the nut behind, new plants will emerge very quickly.   If pulling, the best method is to dig at least 12” deep and 12” wide to get all the tubers.

Research suggests that anytime the tuber is stressed, by either pulling the top off or by killing the top without killing the tuber itself (the result of a single application of an herbicide), the tuber multiples.  Therefore, many people experience more nutsedge after they have pulled or sprayed.

Cultivating nutgrass, such as in landscape beds, is ineffective.  All you are doing is redistributing the tubers and rhizomes.

What else can I do to be proactive in preventing nutsedge?

  • Aeration is a great way to reduce the chances of nutsedge starting and spreading.  Aeration reduces soil compaction and reduces the best growing conditions for nutsedge. 

Our experience is lawns which are aerated annually rarely have significant nutsedge problems.

  • Water only based on need and infrequently.  Overwatering, keeping your lawn too wet, promotes the best growing conditions for nutsedge. Water deep.  Allow the soil surface to become dry between waterings.

  • Correct water leaks in your sprinkler system promptly.  Nutsedge will stake a claim to any areas that become waterlogged.  

  • Along the same line of thinking, correct poor drainage areas.  Often patches of nutsedge are an indicator of poor drainage. 

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If you find yourself struggling with nutsedge, give Hall | Stewart a call, (405) 367-3873

Hall|Stewart’s 7-Step Lawn Care Program includes nutsedge control.  One of the benefits of subscribing to our full program is we do not charge extra for nutsedge control.  And, because we know the presence of nutsedge can quickly tarnish a great looking lawn, we use the most advanced nutsedge control herbicides available to the industry.

Nutsedge is one of the more aggressive and persistent weeds you will encounter.  Control of nutsedge can be a long process.  It is a marathon, not a sprint.

Success involves both the best cultural practices (aerating, watering, and mowing) and timely use of quality herbicides labeled for the control of nutsedge.

 

Lorne Hall

Hall | Stewart Lawn + Landscape

(405)367-3873

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May Lawn & Landscape Tips

May is an easy month to love.  Days in the 80’s…  Green, green lawns…  Landscapes full of bright colors! 

May, a month made for being outside in your lawn and landscape!

May is a busy month for the lawn and landscape. 

Here are a some of the most important outdoor tasks to focus on:

Crape Myrtles started putting on new growth this year.  Now is the time to inspect and prune out any dead wood.

If you are unsure if the branch is  dead, scratch the bark.  If the layer just below the bark is green, then the branch is alive.

Turf Fertilizer – Bermuda lawns need a good feeding between late April and the end of May.  Bermuda will respond well to a balanced fertilizer with at least 28% to 30% nitrogen and only a small amount of phosphorus and potassium.  Fescue turf needs to receive one more application of fertilizer between mid-April and mid-May to get them ready for warm days of summer.  Once temperatures consistently reach 90 fertilizing fescue will do more harm than good.    

 

Weed Control - Weeds that were not prevented, both grassy and broadleaf weeds, require additional treatment to control.  Now that warm season turf is out of dormancy, control of weeds can be stepped up.  During May it is best to spot spray any persistent perennial weeds being careful to limit turf damage.  Remember the absolute best weed control is thick and healthy turf.       

Nutsedge has begun to show up in lawns.  Because there isn’t a way to prevent nutsedge, spot treatments can be expected.  If nutsedge has been a chronic problem in your lawn, annual aeration will make a difference.  Nutsedge thrives in tight, wet soils and since aeration reduces compaction, we find yards that are aerated annually have less nutsedge issues.    

Nutsedge

Maynight Salvia, the perfect name for the perennial that adds bright blues and purples to the May landscape.

Anytime we make an application of weed control or fertilizer, please let us know if you have any concerns 10-14 days after our visit.  If the turf isn’t greening up properly, or if weeds are not wilting, we want to know.  If you are new to our program, we know it will take time to get your lawn to the healthy condition you desire.  But we expect to make progress with each visit.  We know this may require additional visits and if you are on our full 7- Step Program, we will make the needed extra visits. 

Oakleaf Hydrangeas will start gracing the landscape with their white blooms this month.

Tree & Shrub Care – We subscribe to an integrated pest management approach, which starts with inspecting trees and shrubs and treating as needed.  Starting in May and continuing through the growing season, take a few minutes each week to inspect your landscape for insects and disease.   

Spider Mites – When it comes to Insect and Disease you always have to be on the lookout.  Typically, we are on the watch for spider mites, the Twospotted Spider Mite, in the summer when conditions are hot and dry.  But there is also the Spruce Spider Mite that is active in the spring and fall.  They can be found on spruce, pines, junipers and arborvitae. It can cause considerable damage early in the season before we are even thinking about spider mites.   The first indication of the Spruce Spider Mite damage is off-green color needles.  Spider mites are not controlled by normal insecticides.  If trying to control them yourself, you must use a product labeled as a miticide.  Insecticides will not control spider mites.   

The first indication of Spruce Spider Mite damage is an off-green color on your spruce, pine, juniper or arborvitae.

Bagworms - May is the month to be watching for bagworms on needle evergreens.  Bagworms are quite easy to control when they are small.  But they are very hard to see when they first start to develop.  If you notice bagworms, or have a concern about your plants, please let us know.

Bagworms

Spider mites are small and almost impossible to see on the plant. If you are concerned you have spider mites, shake the plant over a white sheet of paper. If the little specks start moving they are spider mites.

Be on the lookout for bagworms this month. They are much easier to control when they are small.

Leaf spot

Leaf Spot - Leaf spots will develop if we have periods of sufficient moisture and temperatures are just right for development of the fungus.  The best host for leaf spot is an already unhealthy plant in an area with poor air circulation.  Control includes spraying with a fungicide at least two times in a 10–14-day period, keeping fallen leaves picked up and disposed of, and thinning the tree or shrub to improve air flow.

Aphids – A small insect that isn’t easy to spot, but the honeydew, sticky substance they excrete is easy to spot.  Aphids develop on the underside of leaves, often reaching large populations before you notice them.  Early detection is important, and if caught early, a high-pressure blast of water may do the trick.  As the weather warms, populations increase, and insecticide treatment will be needed. 

Lawn Maintenance – Both warm and cool season turf grasses need frequent mowing now.  One of the most important things for good turf health is to avoid removing more than 1/3 of the grass in one mowing.  Not only does it not yield you the best-looking lawn when you cut below the leaf and into the stem of the grass, it also weakens the root system.  Try to maintain your Bermuda on the middle setting or just below the middle setting in May.  For fescue, raise the setting one notch this month and cut the lawn 2.5-3” tall.  By early June it is best to have fescue at a maximum height going into the summer. 

When mowing frequently, only remove 1/3 of the grass, don’t bag the clippings. Mulch them back onto the lawn. Grass leaf blades are mostly nitrogen and water and are very beneficial to the lawn.

Dianthus is a perennial that graces the May landscape with vibrant blooms and gray and green foliage.

May Night Salvia, Dianthus and Gold Moneywort make a colorful combination in the May landscape.

Full sun planting of lantana, penta, angelonia, and sunpatiens.

Sun Coleus

Fescue color is at its best this month.

Lantana and Sun Coleus make a great summer combination in full sun, hot areas. May is the month to plant them.

Seasonal Color – May is the month to plant your summer annual color.  Most landscapes look best with a splash of bright color creating a welcoming environment near the front door.  Impatiens and Caladiums are great choices for full shade areas.  Begonias, petunias, and geraniums do well in sun to part shade.  And for full sun, periwinkle, lantana, sunpatiens, angelonia, sun coleus and penta are good at handling the heat.   

Penta

Caladium

Take into consideration the mature size when planting seasonal color. The temptation is to over plant.

Irrigation – As of Saturday morning the Oklahoma City Metro area has only received 1.5” of rain.  In a typical April we receive 3.5-4”.  With less than normal rainfall has caught many off guard as we are seeing a lot of lawns suffer from early signs of draught stress, which is not a common condition for this time of year. With your lawn now needing 1” of moisture per week, it is time to start your normal watering routine.  But remember - the best irrigation management is one that includes keeping an eye on rainfall amounts, soil moisture, and temperatures.  Monitor conditions, turn your system off if when are in a rainy period. Poor water management is setting the irrigation system at the beginning of the season and letting it run regardless of the conditions.

If you have subscribed to our Irrigation Management program with the Rainbird Wi-Fi Link, we will make watering decisions based on soil temperatures, soil moisture, temperatures, and recent rainfall and adjust your controller via the Rainbird app. 

Azalea Care – Azaleas were stunning this spring.  Azaleas require a little more care, but they are worth it.  Fertilize azaleas this month.   After blooms fade and before the end of June prune azaleas if needed.  Pruning after mid-summer will result in less blooms next year.  Azaleas look best when minimally pruned and allowed to retain their natural shape.  Prune by removing longer shoots by reaching down and making cuts where they come off a larger branch.  This will improve air moment and promote healthy growth.  Avoid shearing azaleas. Add a fresh layer of mulch to keep the soil cooler and retain moisture during the warm summer months to come. The best mulch for azaleas is pecan hulls or pine bark.   

Peonies have been adding a burst of color to the landscapes for the last two weeks.

The same plantings in July

Wisteria

Periwinkle

Remove the brown stems on your hydrangeas left from the winter back to the first bud this mont.

Hydrangea Pruning – If you haven’t already, now is the time to prune the brown stems left from the winter back to the first bud.  In most cases this is the only pruning recommended for hydrangeas.  During the summer, if you want to you can snip off spent blooms, but it is not required.  Otherwise, keep the pruners and shears away from your hydrangeas.  And…never prune in the fall.

Gold Mound Spirea not only add interest to the landscape with their foliage, they also deliver an additional touch of color with red-violet blooms this month.

 

If you have any questions, please drop us an email or give us a call at (405)367-3873.

 

Our mission is to help you have your best lawn and landscape…one that improves the appearance, enjoyment and value of your surroundings.

 

Lorne Hall

Hall | Stewart Lawn + Landscape

(405)367-3873

Aeration… the "& Then Some” of Lawn Care

A good lawn is the result of several key activities:

1.     Correctly timed pre-emergent applications to prevent weeds before they germinate.

2.     Applying the right amount of fertilizer to ensure you have a thick and healthy turf.

3.     Regularly scheduled mowing that only removes the top 1/3 of the leaf blade each time.

4.     Infrequent, deep watering based on seasonal need.

But, there is a 5th activity that too often is overlooked.

George Toma, the greatest groundskeeper in the history of sports, has a saying:   

“Do the job and then some.  It is the ‘then some’ that

distinguishes the mediocre from the great.”

George Toma played a part in preparing the playing field for every Super Bowl until he retired after Super Bowl LVII at the age of 95.  Toma is known as “The Sodfather!”   

George Toma, presenting the keynote address at a turf conference several years ago, started his talk by announcing he was going to discuss the three most important things to have a great turf. 

His 1st point was Aeration.

His 2nd point was Aeration. 

And, you guessed it, his 3rd point was Aeration. 

What are the benefits of aeration? 

  • Soil compaction is reduced. 

  • Air movement into the soil is improved. 

  • Fertilizer can quickly reach the root zone.   

  • Water runoff and puddling is reduced. 

  • Roots grow stronger and deeper. 

  • Thatch is reduced.

  • Reduction in weeds that thrive in compacted soils.

For George Toma, the “then some” that distinguishes the mediocre lawn from a great lawn is aeration.

Aerification is a must!

If your goal is to have your best lawn possible, aeration is a required step in your lawn care program.

 

What is aeration? 

  • Aeration is the process of mechanically removing 2”-3” cores of soil, 4”-6” apart, from your lawn.

Compact soils prevent grass from establishing a healthy root system and prevent air, water, and nutrients from reaching the root zone. Walking, playing, and mowing (in other words everything you do on your lawn) increases soil compaction.

As Oklahomans, we know about tight clay, compacted soils.  Our clay soils make growing a great lawn a challenge.

Too often we accept soil compaction as just the way it is and settle for the status quo of an average lawn.  

Stop accepting the norm! 

You don’t have to struggle with the results of growing a lawn in tight, compacted soil.

Golf courses typically aerate their turf at least two times per season.  No wonder the fairways look so much better than most home lawns.

Lawns with compacted soil also are more susceptible to weed development.  Most weeds thrive in tight compacted soil. 

Nutsedge, one of the most difficult to control summer weeds, thrives in tight soils.  Our experience has shown that annually aerated lawns have far less problems with nutsedge.   

Why do golf course fairways always look so good?  Turf managers know the importance of aeration. The secret to a great lawn is a great root system. Annual aeration is the ticket to a great root system.

Should the cores be removed or left on the lawn?

  • Leave the cores on the lawn.  As they breakdown and dissolve, they will refill the holes with loose soil resulting in improved soil structure.  The cores will break up and settle back into the lawn within a few weeks.

When should you aerate?

  • Warm season lawns (Bermuda and zoysia) should be aerated any time after spring green-up and before the end of July.

  • Cool season lawns (fescue) should be aerated in the fall, September through October.  Aeration in conjunction with overseeding will not only improve the soil structure, but it will also improve seed soil contact resulting in better seed germination.

Nothing will take your lawn from good to great more than an annual aeration!

 

One more Toma saying… “The most important part of grass is the soil and the root system.”

Aeration is the best way to improve the soil structure and develop a stronger root system.

 

Aeration, the most overlooked lawn practice, will give you a healthier, more vigorous, less weedy lawn. 

To achieve your best lawn, annual aeration is a must.

 

Lorne Hall

Hall | Stewart Lawn + Landscape

(405)367-3873

Pic of the week:

Haven’t the tulips been stunning this spring! They started blooming early and just keep going. Came across this colorful grouping in a Hall | Stewart lawn this week. Set a reminder now for this fall to plant tulip bulbs in your landscape. Your effort will reap wonderful rewards next spring.

What can your lawn do for you?

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In the race to reduce carbon output and conserve water, many have forgotten the long list of benefits of a healthy lawn.  Concerns over water supplies, herbicides, pollutants, and your carbon footprint have caused some to race toward a more minimalist approach to landscapes and lawns. 

Over the past few years the media joined the war against the landscape with articles such as “The Life and Death of the American Lawn.  Grasses – green, neatly trimmed, symbols of civic virtue – shaped the national landscape. They have now outlived their purpose.” 

One of the hottest trends is the replacement of natural grass with landscape gravel or artificial turf.  Both have their place, but not at the expense of a healthy landscape of plants, trees, and turf.   

Is it good for the environment when living plants are replaced with artificial materials? Yes, water will be saved.  Yes, there will be less fertilizer used.  But, is there more to consider?

Can replacing a living plants with artificial materials really be a net positive for the environment?  

When it comes to the benefits of turf grass most people don’t give it much thought.  The environmental benefits of a healthy lawn are seldom considered. Most would have a hard time answering the question, “What is your lawn doing for you?” 

Let’s explore a few reasons why a healthy landscape is important to our environment:

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Turfgrass captures carbon.

Healthy lawns absorb carbon dioxide and replace it with oxygen.

The average, managed lawn, captures more carbon than a lawnmower produces. The average lawn captures 300 lbs. of carbon per year and has a net positive impact on our environment. 


A 2,500 sq. ft lawn, half the size of the average lawn, provides enough oxygen for a family of four. 


What is a managed lawn?  A lawn that receives regular mowing, and some fertilizer and weed control applications.  Maintaining a healthy turfgrass environment provides us with a critical component of a healthy world – less carbon.  An Ohio State study found lawns that received only an occasional mowing and no fertilizer or weed control captured far less carbon.   

Maintenance habits have a big influence on whether turfgrass helps or hurts the environment. Lawns cut too short typically create a negative carbon exchange.  Weedy lawns, nutrient deficient lawns, and drought stress lawns result in thin lawns that have a negative impact on the environment.    

 

Actively growing and healthy landscapes can provide benefits of heat reduction.

Trees, shrubs, and lawn areas around homes can reduce air temperatures on the average 15 degrees compared to concrete, asphalt or gravel.

Studies estimate that improved planting and maintenance of lawns and landscapes could reduce total US air conditioning requires by 25%.  Grass cools the air by absorbing solar radiation and through evapotranspiration.

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A healthy turf slows water runoff reducing erosion and therefore reducing sediment build up and improves the quality of streams, ponds, and lakes.

Less runoff increases infiltration of water into the groundwater supply.  A dense root system traps and removes pollutants moving through the soil and into the water supply.  The natural filtration system of healthy turfgrass improves water quality.

Turfgrass is more effective at stopping erosion than any other plant.  Grass naturally slows runoff and allows more water to be absorbed.  Also, grass is a natural water purifier.

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Lawns are a major component of higher home values.

Smart Money reported consumers value a home with a well maintained lawn and landscape on the average 11.3% over the base value. 

Healthy lawns improve air quality by trapping dust and allergens.   

Dense turf reduces the blowing of soil particles.  Also, it only takes 25 sq. ft. of turfgrass to provide enough oxygen for one adult for one day.

Great lawns benefit the community and human health.

Green areas enhance community pride, provide places for people to come together and promotes outdoor activity.  Research shows the result is improved physical and mental health and reduced stress.

The belief that well maintained lawns are an environmental liability are short-sighted.  Water concerns are legitimate.  Overwatering lawns and excessive use of fertilizers and herbicides drive much of the concern.  Education on proper watering, maintenance, fertilizer, and herbicide use is important.

A scientific study “The Role of Turfgrasses in Environmental Protection and Their Benefits to Humans” concluded that there is no valid scientific basis for water restrictions of turfgrass.  The report stated, “the main cause for excessive landscape water use in most situations is the human factor.”

James Beard, Professor Emeritus of Texas A&M, said, “The environmental benefits of turfgrass are the most sensible and economically feasible approach to counter the greenhouse effect.”

So, what has your lawn done for you lately?  “More than you can imagine!”

Lorne Hall

Hall | Stewart Lawn & Landscape