Oklahoma lawn care schedule
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Ray Ridlen: Time to apply fall pre-emergent weed control
The cooler temperatures mark the end of another growing season. Perennials are preparing to go dormant, oaks are becoming heavy with acorns, and summer annuals are preparing to set seed.
For the gardener, the heavy work of the summer is over, but there are chores yet to be done.
One of the fall gardening chores that must be undertaken soon is the application of a fall pre-emergent herbicide to prevent winter weeds in home lawns.
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Applications must be made prior to weed emergence or poor control will result.
Recommended dates for fall pre-emergence herbicide applications to prevent annual winter weeds are the third week of August here in central Oklahoma.
Winter annual weeds begin to emerge from seed when warm-season turf grass begins to enter dormancy in the fall.
Annual bluegrass, smooth brome, henbit, mouse eared chickweed, common chickweed, cranesbill and Shepard's purse are the most common winter annual weeds that plague Oklahoma gardeners during the cooler months. These weeds emerge in the fall when temperatures b
- when to apply pre emergent
- when should i put down pre emergent