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James from Kingston, Tn writes

How can I kill johnsongrass in my daylilies?

I have several hundred daylilies set out in a fence row along a driveway. Johnson grass has started to appear in the last two years. I need a herbicide that will kill it without killing the daylilies. Thanks


You can use a grass killer such as Gordons Ornamec Over-The-Top Grass Herbicide to kill johnsongrass around established daylilies. Ornamec will control Annual Johnsongrass seedlings (sorghum halepense) when 2 to 8 inches tall, before tillering or heading. It will control perennial rhizome johnsongrass that is 8 to 18 inches tall and before booted stage, per the product label. You may need multiple applications for more mature plants. We also suggest using a pre-emergent herbicide in the future for the best control of Jonhsongrass and many other difficult weeds. Prodiamine 65 WDG is safe to use around most turf and ornamentals.

Answer last updated on: 07/28/2016

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