Product Q&A

Answer:

Grass Out Max (Clethodim Herbicide) is labeled to be used on Asparagus fern and many other ornamentals, ornamental trees, shrubs and broadleaf plants. We would suggest doing a small spot test to ensure a broadcast application would not harm your ferns. 

View the full list of tolerant plants on the product label HERE. 

Answer last updated on: 08/07/2021

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