I buy a lot of things from Gardens Alive ( http://www.gardensalive.com ). It's all natural stuff. I don't think it's very expensive especially since some things are concentrated.
THERE IS A COMPANY CALLED 'RINGER' THAT MAKES A LINE OF ORGANIC LAWN CARE PRODUCTS. THE PRODUCTS ARE SAFE FOR PETS,CHILDREN AND ESPECIALLY THE ENVIORMENT! BUT LIKE EVERYTHING ELSE IT'S NOT CHEAP !
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