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Make rain or pull weedsWeeds. We all have them, and most of us do not like them. They are in our gardens, our lawns; even our container plants are not immune. At this time of year many folks are scurrying to put out a pre-emergent herbicide in the yard. But don't waste valuable time and precious money. Many pre-emergents, like simazine and pendimethalin (those are the active ingredients, not the brand name), must be watered in to be effective. Rain is the optimum way for this to happen. But every Oklahoman knows that custom order weather requests are not granted very often. So what's a weed hating gardener to do? Some may deem it appropriate to apply the product and wait for the rain to come. The problem with this is that the chemical will not be activated before the weeds begin to grow. When the rain does come, so too will a large flush of beautiful crabgrass. And the applicator is left wondering why the product applied yielded poor to no results. There is really only one answer. The hose will have to be drug out, and the sprinklers will need to be turned on. The length of watering time will vary depending on water pressure and application method. About half an inch of water is needed to activate the pre-emergent herbicide, but always read the label for specific instructions. Call the extension service at 405-713-1125 to get more details about a pre-emergent for your specific lawn. If your lawn is treated by a professional service, you may want to check with the company to see if you will need to water after an application is made. Most likely the company will provide you with that information, but better safe than sorry. Now--bring on the rain! The following workshops will be held at the OSU Extension Center, 930 North Portland, in Oklahoma City unless otherwise specified. They are free and open to the public. For more information or questions call 405-713-1125. Feb. 5, 1:30 p.m. to 3 p.m., Early Vegetable Gardening. Learn how to prepare the soil, care for your plants, and maintain your garden. Feb. 19, 1:30 p.m. to 3 p.m., Lawn Management. Discover the basics in lawn care and how beautiful lawns begin with healthy soil. Feb. 21, 5:30 p.m. to 7 p.m., Landscape Recovery after the Storm. Proper pruning methods, tree selection and establishment will be addressed, as well as converting ornamental beds from shade to sun because of tree loss. Feb. 28, 5:30 p.m. to 6:30 p.m., Landscape Diseases. Variety of control methods for Lawn Care Professionals as well as homeowners. Join in on this crash course of diseases in the landscape. March 18 1:30 p.m. to 3 p.m., Vegetable Gardening. April 4, 1:30 p.m. to 3 p.m., Annual Color Options. Get to know how selection and care are vital to healthy annuals. April 22 1 p.m. to 4 p.m., Pecan Grafting, Eastern OK County Career Tech, Choctaw. 2/11/08 Date: 2/5/08
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