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Dave from Seattle, Wa writes,

Proper mix ratio (tsp.per gal) to make a root drench for roses in containers to kill root aphids


 Merit 75 WP - 2 oz. jar cannot be applied to plants in containers. Please contact your Cooperative Extension Office for further assistance. We apologize for any inconvenience. We do sell products like Bayer 3in1 that would be sprayed.

Answer last updated on: 10/14/2014

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