Left Hand Valley Courier - All Local, All The Time

By Carol OMeara
Colorado State University Extension, Boulder County 

Lawns browning from heat

Series: CSU Extension Boulder County | Story 27

Jocelyn Rowley

It's that time of the year again when the lush green lawns of early summer dry out and turn to brown in the July heat.

What a difference a high pressure ridge makes. After a cool, rainy warmup to the season, gardeners are shocked to face scorching hot temperatures that broil our gardens and lawns. The high pressure system parked overhead is pulling the heat up from the south and there is nothing our plants can do but weather the heat.

When the heat switched on, lawns stressed, with Kentucky Bluegrass going d...

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