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Tracydr · February 26, 2012

Boric acid, like the kind you use on cockroaches.
Just be very careful. I had a spill and have an area where only certain things want to grow now. Sage is apparently not tolerant of boron, it died very quickly!

February 26, 2012	#6
Tracydr Tomatovillian™ Join Date: May 2011 Location: Laurinburg, North Carolina, zone 7 Posts: 3,207	Boric acid, like the kind you use on cockroaches. Just be very careful. I had a spill and have an area where only certain things want to grow now. Sage is apparently not tolerant of boron, it died very quickly!