‘Black Beauty’ lilies are hardy to USDA zone 4 or 5, depending on whose catalog you are reading. But getting through a harsh winter does them no good if they can’t handle the vagaries of a northern spring. If it were the third week of May and we had a hard freeze, I’d cover these plants. But sorry, this early in spring I’m not babying anything, because for it to do any good, I’d have to consistently cover them every night from now until the end of May. I know I’d forget at least once, so why start?
Old House Gardens praises these lilies for “wonderful vigor and long life in all sorts of gardens,” so they may pull through. I’ve got my fingers crossed for my bleeding heart, as well. Call it tough love, pragmatic horticulture, or hard hearted cruelty–it’s not enough for a plant to make it through winter in my garden.
It has to be tough enough to make it through spring.