Polemonium caeruleum 'Blue Pearl'
Jacob's Ladder
Photo courtesy of Ball Seeds
- Clusters of bright blue flowers in spring
- Fern-like, dark green foliage
- Clump forming, compact habit
Border or Bed
Cut Flower/ Foliage
Evergreen
Garden
Great Foliage
Ground Cover
Native
Homeowner Growing and Maintenance Tips:
Prefers consistently moist, humusy, well-drained soil and partial to full shade. Tolerates full sun in cool summer climates. Self-seeds in good conditions and can be divided in early spring or late summer.
Height: 24 in
Spread: 12-18 in
Spacing: 18 in
Price Level 1: $13.99 ea.~#1
Bloom Color: Blue
Zone: 2-8
Price Level 2: 4 for $50~#1
Additional Characteristics & Attributes:
Attributes:
- Great Foliage
- Garden
- Cut Flower/ Foliage
- Evergreen
- Native
- Ground Cover
- Border or Bed
- Rock Garden
Critter Resistance:
- Deer Resistant
- Rabbit Resistant
Exposure:
- Full Sun
- Partial Sun
Habit:
- Upright
- Mounding
Foliage Color:
- Green
Season of Interest (Flowering):
- Summer
- Spring
Season of Interest (Foliage):
- Spring Bloomer
- Fall
- Summer
Attracts Wildlife:
- Attracts Pollinators
Soil Moisture:
- Average Water
- Keep Well-Watered
- Moist, Well-Drained
Genus Overview: Polemonium
Common Name: Jacob's Ladder
Herbaceous perennial with lacy, fern-like leaves either green or with variegation. Bell-shaped flowers in loose, terminal clusters in a range of colors including blue, purple, white and peach. Blooms mid to late spring. Great for woodland gardens, naturalized areas and partly shady rock gardens. Polemonium reptans is native.

