Herbaceous Polemonium 'Heaven Scent' [sold as Heaven Scent Jacobs Ladder] [Heaven Scent Jacob's Ladder]
Herbaceous Polemonium reptans 'Blue Pearl' [sold as Blue Pearl Jacob's Ladder] [Blue Pearl Jacob's Ladder]
Herbaceous Polemonium reptans 'Stairway to Heaven' [sold as Stairway to Heaven Jacob's Ladder] [Stairway to Heaven Jacob's Ladder]