weeds - Knowledgebase Question

lorain, oh
Question by polishprince1
August 4, 2011
Planted WILDFLOWER seeds,Ann.&peren.two years ago!At rear of property,FIELD next to it! WEEDS have infested,have LOTS of perenials! After plants settle for winter,is there a way to KILL the weeds and not harm the plants(perenials) ??????Because of field,know will come back,but may be able to CONTROL them! THANKS


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Answer from NGA
August 4, 2011

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I wish there were an easy answer to the problem. Sadly, anything you use to kill the weeds will also kill the wildflowers. Typically you'll have fewer weeds popping up as the wildflower bed expands and becomes more crowded with plants (they'll outcompete the weeds). Until then, the best thing to do is to pull the weeds as they appear in the spring, summer and in the fall. This will help keep them from setting seeds and coming back with a vengeance next spring. There are pre emergent herbicides (such as Preen) that you can spread on the bare earth next spring after your wildflowers begin to grow but before weed seeds germinate but timing is everything. Pre emergents stop all seeds from germinating, including any self-sowing wildflowers. You might try this on a small portion of your wildflower bed to see if you get the results you want. Hope this information helps.

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