A University of California expert suggests this: Round Up can linger for a while, maybe even longer than a month especially in a sandy soil in which it is not adsorbed to fine soil particles as it would in a clay. The solution to this predicament, and indeed in all cases of Round Up toxicity, is to let the plant grow out of it.
A U of Michigan Coop Extension source is more cautious; read here:
Then there is the old adage, when in doubt, don’t. Maybe you can talk to your neighbor and come to some agreement about how/when he applies it … or you can share your health concerns about both of you.
A University of California expert suggests this: Round Up can linger for a while, maybe even longer than a month especially in a sandy soil in which it is not adsorbed to fine soil particles as it would in a clay. The solution to this predicament, and indeed in all cases of Round Up toxicity, is to let the plant grow out of it.
A U of Michigan Coop Extension source is more cautious; read here:
Then there is the old adage, when in doubt, don’t. Maybe you can talk to your neighbor and come to some agreement about how/when he applies it … or you can share your health concerns about both of you.