Heres the secret: timing is everythingand so is the right fertilizer. Want to know exactly what I use and when to use it?, Comment fertilizer below and Ill send you the link to my blog post How Do Plants Grow?: An Illustrated Guide Lerner Publishing Group Cast Iron Plant, Zone 5 8 Growing wasabi has been one of our toughest challenges. To date, we've yet to pull off a successful harvest. A big part of that struggle is trying to cultivate this cool, shade loving Guide to Basic Care of Houseplants Gardener's Path