Weed killer that is ok for use on juniper - Knowledgebase Question

Soddy Daisy, tn
Question by ktharvey
May 23, 2012
Which weed killer can be used on juniper plants? I bought some Ortho Weed-B-Gon but it says do not use on groundcovers. I just want to get rid of the weeds not the plant. Thanks!

Answer from NGA
May 23, 2012


Junipers are sensitive to some herbicides so I'm glad you took the time to read the label on the Weed-B-Gon before using it. The best approach for a weed-free groundcover is to prevent the weeds from popping up in the first place. You can either spread a thick layer of mulch between the plants or use a pre emergent such as Preen for Groundcovers. This should be applied in mid=March and again in mid-September. Hand pulling existing weeds is labor intensive, but the safest approach to getting rid of the weeds without harming your juniper.

If you want to use a chemical approach to removing existing weeds, you can use a post-emergent such as Vantage. The Vantage label lists specific plants on which it can be used: Chinese juniper and shore juniper are listed on the Vantage label but Juniperus horizontalis is not.

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