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Loretta from Roseburg, Or writes

Are asparagus plants affected by residual Crossbow?

I have an acre of dormant asparagus plants I need to control perennial clover, sow thistle and blackberry. Can I spray now and not have residual effect when new stalks emerge in mid February?


Crossbow Herbicide is only labeled to be applied in non crop lands per the product label and it can last up to 12 months in the soil and inhibit seed germination or plant growth.  We would recommend checking directly with Dow to confirm if you can plant in treated soil in February.  Dow can be reached at 800-992-5994.

Answer last updated on: 12/04/2016

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Helena Crossbow Herbicide

Helena Crossbow Herbicide

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