Should I mulch around Cool Splash Diervilla, or will that prevent it from spreading?

Should I mulch around Cool Splash Diervilla, or will that prevent it from spreading?

Though it will spread in time, it isn’t an aggressive plant.

I’ve had one for several years in my garden without any problems. Don’t be concerned about mulching your Cool Splash Diervilla. It will help hold down weeds and conserve moisture. If you are concerned about the plant going beyond its boundaries, use black plastic under the mulch.

Thanks for writing!

Amy

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