Polemonium pulcherrimum (Jacob's Ladder) is a species of perennial herb in the family Polemoniaceae. They are native to Alaska, Canada, The Contiguous United States, and Western North America. They have magenta flowers. Flowers are visited by Merodon equestris, Pieris angelika, Thricops villicrus, and Common Eastern Bumblebee.
EOL has data for 14 attributes, including: