Okay, here's the thing, I kill plants. I am the Dexter of the plant world. Our yard has lovely hostas throughout and while they are lovely for a time, by mid-July they are full of holes from slugs. Then there's my lawn, or rather my field of weeds. Pathetic. So to say I'm excited about this upcoming Twitter party is an understatement. I'm overjoyed to learn how I can keep my yard looking it's best for the very, very short time we have summer here in Canada. Join @HomeDepotCanada on …