Weeds - Knowledgebase Question

Guaynabo, Pu
Question by ameig
August 2, 2009
I made a rock garden and even though I placed a plastic mesh underneath, I still get weeds coming through the rocks. What weed control and anti germination should I use?

Answer from NGA
August 2, 2009


If there are no plants near the weeds you can spot treat with Round Up. If there are plants you want to save, hand pulling the weeds is best. Use a pre emergence product such as Preen to keep additional weed seeds from germinating. Best wishes with your rock garden!

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