Weeds in Compost

Xraycer

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Newbie question:

If I put unwanted lawn weeds in my compost, could it regrow once I use the mature compost in my garden?
 

Meadowlark

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If the weed (s) has mature seeds and you do not "hot" compost, then yes, it could grow back from seed.

However, if there are no seeds, or if your compost pile naturally heats up above 135 deg F or so, the weed(s) are not viable and will cause no harm.

Hot composting has other benefits such as killing pathogens that could be potentially harmful.
 

Xraycer

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If the weed (s) has mature seeds and you do not "hot" compost, then yes, it could grow back from seed.

However, if there are no seeds, or if your compost pile naturally heats up above 135 deg F or so, the weed(s) are not viable and will cause no harm.

Hot composting has other benefits such as killing pathogens that could be potentially harmful.
I bought a tumbler, a couple of weeks ago, and already have 1 side heavily filled with greens and browns. I'll monitor the temps regularly to see where the temp ranges.
 

MiTmite9

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Newbie question:

If I put unwanted lawn weeds in my compost, could it regrow once I use the mature compost in my garden?
Best policy is not to add weeds to compost pile/tumbler unless you're absolutely sure that your compost will heat up enough to kill the seeds. Use green horse manure in your pile/container and make damn sure the horses were not allowed to graze on weeds.

Also: try to use only manure where the stables didn't spray for flies and where the manure doesn't contain deworming meds used on the horses.

Also beware of grazon: The contamination typically occurs when hay producers use Grazon to kill weeds, which is then fed to horses. Grazon gets into your garden and can seriously mess with your veggie production for up to four years.
 

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