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Summer Lawn Care

Summer Lawn Care

Mature Lawn in Landscape

Summer Lawn Care

You deserve a lawn that looks great. Perhaps you are noticing weeds, brown spots and weird looking mushrooms. Why is this happening?
Let's raise a lawn that is better at resisting disease and insects. How a lawn is watered and mowed determines if you are growing weeds and mushrooms, or growing a healthy lawn. Read on for tips to grow a great lawn.
red lawn mower mowing a lawn
Mowing
How do you grow weeds? By keeping short blades of grass that let lots of sun hit the soil, and applying frequent, shallow watering.
How do you grow a great lawn? By keeping tall blades of grass that shade the soil, and applying deeper, infrequent watering.
When the lawn is short:
  • The soil dries out faster.
  • The root zone is open to the sun’s rays, which can burn roots.
  • The blades can be so short that they can’t photosynthesize and grow.
  • Weed seeds germinate.
The ideal lawn is tall enough to shade the soil:
  • The soil stays moist longer, letting you water less often.
  • The root zone is protected from temperature extremes.
  • The blades are using their full height to produce their own food.
  • Weed seeds can’t germinate and sprouted weeds die from lack of light.
How do you know if you mowed too short? After you mow the
lawn, stand on it and look down. If you can see the soil, the lawn is too short.
MP Rotator Watering Lawn
Watering
How often should you water your lawn?

Shallow, frequent watering creates a lawn that:
  • Has shallow roots. Shallow roots can’t find enough water to get through our hot summer days.
  • Is always wet in the top two inches of soil. Excess moisture leads to disease, lots of insects, and mushrooms.
The soil that holds the roots of your lawn needs to have a chance to breathe between watering. Frequent water drowns the roots and stresses the lawn, letting disease and insects get the upper hand.
Find out how deep you are watering. After a cycle, wait 15 minutes. Use your finger or water meter to find out how deep the water went. If you only got water down one or two inches, water longer.

Look at it this way: The ideal lawn needs two inches of dry soil before getting watered again. Eventually, it is best if you can water to a depth of four inches to encourage deeper root growth, which will allow you to water less often.
Everyone’s soil and watering system is a little bit different. Find out how your soil deals with water. Get into that soil and find out. It's a good opportunity to play in the dirt.

Our irrigation experts can talk you through ways to get your watering schedule where it needs to be, based on your specific situation.

Resources

For more tips to achieve a lush, green, healthy lawn:
Lawn Care Schedule
More lawn watering tips from the UC IPM
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