Chain swords (any variety) are about the hardiest foreground available. They'll do just fine under 1.5-2wpg normal ouputs. The tough part is keeping them rooted. They usually arrive to the hobbyists hands with badly damaged or missing roots. Try and get some from a hobbyists for an easier time in that respect
Your light is more than adequate, but they'll explode under PC's. You'll be trading in no time 8)
Your light is more than adequate, but they'll explode under PC's. You'll be trading in no time 8)