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How to organically kill a bed of ditchlillies?

9 years ago

I should have also said in the subject: how to organically kill a bed of day lillies the easy way with little to no work! I've heard that if you cover an entire area with black plastic for six months that will effectively kill everything underneath. Is this true? Has anyone ever tried this? I would like to plant daffodil bulbs in this area but the dang ditch lillies have spread so much that they just overtake anything in their path.

Advice please? Thanks to anyone who replies!

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