Joe from Jackson writes
Will Optimate CS kill root aphids, and can i use it to treat cannibus and what is the rui? do I have to flush or can be used up until harvest?
Optimate CS is labeled to kill aphids on ornamentals and turf grass. It is not labeled to be used on cannibus.
EverGreen Pyrethrum Concentrate is labeled to kill aphids and can be used on cannibus. This can be used up to two to three weeks before harvest.
Answer last updated on: 08/20/2014