- 21 reviews
- 21,858 reads
- Last updated: 05/28/2010
Preen Weed Preventer does not kill existing weeds.
We grow a garden every year. And every year we spend hours pulling weeds in it. This year we heard about Preen and figured it would be worth a try. Unfortunately, we didn't put it on the garden in the beginning. We only put it on after some weeds had sprouted. Well, Preen does not kill existing weeds. We should have put it down before we ever even planted the veggies and mixed it into the soil then.
So at first we thought that it just didn't work - then after some more reading we realized what we had done wrong. So outside we went and spent hours pulling weeds and then we put the Preen back down again. This time very few weeds returned. ...
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