Every fall I'm asked the same question "Why is my lawn turning brown?" It is a valid question.
What they are describing is the fall transition from the rapid growth of the warmer seasons to the cooler season semi-dormancy. This is natural.
During this semi-dormancy period, the growth rate drastically slows, and your lawn will have more brown leaves than green ones. This is a temporary condition and will pass in the coming weeks as the brown leaves fade away and are replaced by new green leaves.
Many believe the lawn needs less water during the semi-dormancy – this is false. Dry soil will stress your lawn. Keep the lawn moist even during the cooler months by continuing the same water schedule as in the summer.
Another common myth is lower mowing helps the lawn – this is false. A tall canopy of 4” or taller will maximize photosynthesis and insulate the stems and roots from colder temperatures.
You can learn more at iloveturf.com:
What to Expect in the Fall from Your St Augustine Lawn
Rick Orr
Staff Agronomist at Barefoot Grass
Since 1995, Rick Orr has worked in Pinellas County providing turf management and pest control. Rick Orr is a graduate of VA Tech in Agronomy (Turf Ecology) and the creator of Iloveturf.com.
Since graduating from VA Tech in 1979, Rick worked in the green industry, mostly with golf courses, resorts, and large communities. Rick has obtained certifications in arboriculture, landscape, and irrigation, and taught Environmental Horticulture at St Petersburg College.
Currently, Rick is the Staff Agronomist at Barefoot Grass in Largo, FL.
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