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Hyacinth Plant


Anonymous added on July 3, 2011 | Answered

I have rocked areas that were not lined with plastic prior to rock being laid down. Every year there are tons of weeds and grasses that I keep pulling out. I’m going to spray with Round-up and then I want to spray with a pre-emergent. Please reccomend a pre-emergent.

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Certified GKH Gardening Expert
Answered on July 4, 2011

Preen is a good pre-emergent or you could opt for a more natural choice such as corn meal.

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Hyacinth Plant
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