As nighttime temperatures begin to consistently remain in the 60’s and above across Arizona, Bermuda grass, which has been dormant all winter, begins to wake up and grow. When daytime temperatures exceed 90 degrees, winter Ryegrass should begin to recede. It is during this transition period where both types of grass compete for space and water.
To aid the transition in your lawn, gradually lower the height of your lawnmower over the course of a few weeks and reduce the amount of water to approximately 6-8 minutes every 2 or 3 days, this helps to reduce competition by allowing Ryegrass to fade. After the winter Ryegrass begins dying off, you should apply fertilizer around your lawn to push Bermuda growth from underneath. Summer Bermuda will continue its emergence through May, and with the right care and warm temperatures, can typically be full and green by June.
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