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Geoff from Little Rock, Arkansas writes

Will the sethoxydim in Ferti-Lome Over the Top II Grass Killer kill or injure black tulip magnolia, variegated Japanese sedge or variegated sweet flag?

Answer:

The product label for Ferti-Lome Over the Top II Grass Killer does not list these plants specifically as tolerant, however most ornamental shrubs, trees, flowers, and groundcovers are tolerant of this herbicide, especially larger woody plants. We suggest spot treating an inconspicuous area for tolerance before treating a wide area of these plants.

Answer last updated on: 05/07/2019

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