Kniphofia/Red Hot Poker: Anyone grow it?
Several years back, I remember walking up to the Perkins at 494 and France and seeing a huge swath of Kniphofia and really loving it. But then it occurred to me that I'd read that it was only hardy to zone 5 or 6. So I wondered if they were planted as annuals.
Well, in browsing, I came across a variety that's supposedly hardy to zone 4.
Can anyone comment on their success/lack of success with these?