Plant Catalog › Polemonium reptans 'Stairway to Heaven' Polemonium reptans 'Stairway to Heaven' $0.00 Common Name: Jacobs LadderBlooms: April into MayH: 15-18" W: 12-15"Color: Blue Shades Add To Cart Added! Common Name: Jacobs LadderBlooms: April into MayH: 15-18" W: 12-15"Color: Blue Shades