(KNAPWEED) Low, perennial clumps of dark greeny purpled, ferny foliage topped by clusters of small, pretty mauve lavender thistly flowers with thin filaments that make it look ethereal August thru November. Yes, I know when I say 'thistle' you think 'weed' ...not so! A sweet, rare, late blooming little beauty for sun. well drained, acidic soil and regular water. About 12" tall, relaxing out to 24" wide.
USDA Z5 4" pot