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Herbicide Shelf Life

lawnspecialties

LawnSite Silver Member
Location
Garner, NC
Someone posted in another forum about seed shelf life. What about herbicides?

I have some fertilizer with pre-emergent from last year (Barricade, Dimension, Pendimethalin). It's been kept in my storage shed and stays dry.

I also have a container of 3-Way concentrate over a year old but still in its original container. This stuff is too expensive to take to a "Pesticide Disposal Site". :)
 

indyturf

LawnSite Bronze Member
Location
Indy
It should still be good, as long as you keep the granular fert dry and don't let the herbicide's freeze they will be good for a few years.
 

vegomatic40

LawnSite Senior Member
Location
6
Even if you have some doubts of the efficacy of a "left over" product, disposing of it leaves few options. The best method is to simply apply the product(s) at label rates for the target pest. Allowing the state to pickup the product is another, albeit expensive option.
 


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