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Lawn Care in Extreme Heat

25 July 2022

Monnick Supply - Yellow Grass

Extreme heat stresses out your lawn, The lack of water and unbearable heat can wreak havoc on your lawn. What can you do to make sure your lawn has a stress free summer? Check out these tips to care for your lawn in extreme heat.

1. Don’t Cut Too Short

Cutting your grass too short limits your plants’ ability to produce energy for growth. When grass is cut to a proper height it develops stronger roots that allow for more support and make them more tolerant of stress.

2. Stick To The 1/3 Rule

When cutting your grass in the heat, try to stick to the 1/3 Rule: Never remove more than 1/3 of grass height at one time. By sticking to this rule, your lawn is kept cooler because less plant tissue is removed. This allows your lawn to thrive and avoid stress.

3. Limit Watering

Many people still water their lawns after rainfall. In general, grass manages better when soil is on the dry side rather than wet. When soil is consistently wet it can cause many problems for both the plants and soil organisms. Wet soil deprives plant roots of oxygen and makes them more susceptible to disease. Try to avoid watering daily. Lawns only need 1″ of water per week including rainfall. Try to water deeply and infrequently. Watering deeply means wetting the entire root zone. Watering infrequently means only watering when the grass is dry. Try to water early in the morning when your lawn can get the full benefit of hydration before the sun dries it out by mid-day. Watering in the evening leaves the water standing overnight with nothing to dry it up which can lead to mold and fungus.

4. Don’t Mow In A Drought

Try to avoid mowing during the stress of a drought. Lawns have limited capabilities to recover from mowing during drought and it can actually cause even more damage. During a drought, try to mow after a rainfall or after an irrigation day. Try to resist mowing while the grass is still wet to avoid clumping.

5. Sharpen Mower Blades

When grass is cut with sharp mower blades the plant will heal much faster. Mowing with dull blades actually tears the plant tissue rather than cutting it, causing more stress and damage to your grass. Torn grass develops a brown appearance and is more susceptible to disease and stress.

6. Don’t Bag Clippings

If possible, use a mulching mower so clippings can be returned to your lawn. Clippings can actually act as a slow-release fertilizer as they decompose on your lawn and can be quite beneficial to your lawn’s health.

7. Avoid Fertilizer

Although fertilizing your lawn might seem like a good idea, it is actually best to avoid it during the hot summer months. In the summer, grass consumes more energy than they produce. Fertilizer actually promotes growth which causes the grass to consume even more energy which causes more stress on your already taxed lawn. It’s best to fertilize in the fall as part of your winter lawn prep.

8. Minimize Traffic

Foot traffic on already stressed grass can beat down the blades which prevents them from springing back. Try to avoid foot traffic on your lawn, if possible. You may consider laying down stepping stones to help people avoid walking on your grass.

9. Pest Control

Insects and disease are more prevalent in the summer months. Some common lawn pests include chinch bugs, sod webworms, army worms, fire ants, and fleas. Fungal diseases like mildew and brown patch are also common in the summer. To avoid pests and fungus, try to water in the early morning and avoid nighttime watering. If necessary, apply a fungicide on a mild day when the extreme heat has passed.

Need help with lawn care products? Come visit Monnick Supply today!



Marlborough Store

135 Maple Street,
Marlborough, MA
Call (508) 318-4788


Mon-Sat 7:00am to 5:00pm

Framingham Store

759 Waverly Street,
Framingham, MA
Call (508) 386-9876


Mon-Sat 7:00am to 5:00pm

Monnick Supply $$
135 Maple St.
Marlborough MA 01752
United States
(508) 318-4788
Mon-Fri 7am - 6pm
Sat 7am - 5:30pm
Sun 12pm - 4pm
Monnick Supply $$
759 Waverly St.
Framingham MA 01702
United States
(508) 386-9876
Mon-Fri 7am - 6pm
Sat 8am - 5:30pm
Sun 10am - 4pm