How to get rid of thistle in garden?

We are getting ready to plant our garden this year. We've had the garden in this same spot for about 6 years. It seems that each year, the thistle grows thicker and thicker - last year I pull everyone I could find out by the roots when I saw them and took them out of the garden for disposal - then this year it seems we have more than ever before.

Any suggestions on what to use to get rid of them? They're growing in the strawberries, asparagus, onions, rhubarb and grape and blackberry vines - I don't know what to put on the garden that won't harm the other plants or the veges we take from the garden that will kill those thistle. The darned things can be totally gone, garden pristine when I go to bed one night and the next morning they're popping up everywhere! Help!

Mary C2009-05-22T07:39:34Z

Favorite Answer

You've done about the best thing that can be done in and around your plants and that is to just keep pulling. If you have room between the plants where the thistle is growing, put down a layer of black plastic over the bare spots, make the plastic smaller if need be and then make sure to keep it down with garden stakes or rocks if need be. What this does is blocks out the sunlight which all thistle thrives on and really needs. It will also bake the thistle plants as well. I would suggest to put the plastic down and keep it down for the rest of the season. Hope this helps you!!

10

Tashi Delek2009-05-23T06:02:24Z

Dig the plants early in the year before they flower. Remove any dead plant material as well. Anything that may contain a seed. When enough time goes by, you will have removed all plants and all seed. There will be the occasional seedling that floats in from the outside world, but if you are consistent, eventually they will be rooted out. You leave even one, and you're a goner.

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