Warmer Temps and Flowering Weeds
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Collapse ▲On warm days, with temperatures of 55 degrees, weeds will be growing and getting ready to produce flowers, if they haven’t started flowering already. The first warm days we get without rain will be a good time to spray those lawn weeds. They will be actively growing, which means they will take up the chemicals that will kill them.
I’m often asked which product would I recommend. I’ve used several of the lawn weed control products and they have all worked equally well for me. If you have a centipedegrass or St. Augustinegrass lawn, I recommend using a product that is safe to use on these lawns. Some products will say “Southern” on the label and other will say “for Centipede and St. Augustine Lawns”. The biggest difference is the amount of 2,4-D in the product. 2,4-D is a chemical that may have a harmful effect on both of these grasses if the concentration is too high. That being said, follow the label directions for how much to apply as too much will kill the weed, but may also kill the lawn.
For the one really hard to control weed, wild garlic or wild onion, I recommend using a hand trowel to loosen the soil and then pulling as many of the bulbs out by hand as possible so they don’t keep coming back. It’s not easy, but, even though it’s listed on many labels as being controlled, the waxy, skinny leaves of this weed don’t often absorb enough of the chemical to kill the bulb.