Polemonium 'Jacob's Ladder' is a charming perennial valued for its delicate blue to lavender bell shaped flowers and attractive fern like foliage that resembles ladder rungs. Thrives in cooler climates and is a favorite for woodland and cottage gardens.
Height & Spread: 18 - 24 in x 12 - 18 in
Bloom Time: Late spring to early summer
Light Requirements: Part shade to full sun (preferably with afternoon shade in hot climates)
Soil Preference: Moist, well drained, rich soil
Watering Needs: Moderate; keep soil evenly moist
Deer Resistance: Moderate
Native Status
Native to temperate regions of Europe and western Asia. This cultivar is widely grown in North American gardens as an ornamental perennial.
Wildlife & Insects
Butterflies
- Attracts butterflies such as Eastern Tiger Swallowtails and Monarchs drawn to its nectar rich blooms.
Bees
- Pollinated by native bumblebees, honeybees, and various solitary bees.
Beneficial Insects
- Supports predatory insects that help maintain garden pest balance.
Spacing & Landscape Use
Spacing Recommendations
- Space plants 12 - 18 in apart to allow for healthy growth and air circulation.
Landscape Placement
- Excellent in shaded borders, woodland gardens, or mixed perennial beds.
Companion Plants
- Astilbe (False Goats Beard) - Adds feathery texture and thrives in similar moist, shaded conditions.
- Heuchera (Coral Bells) - Provides colorful foliage contrast beneath 'Jacob's Ladder'.
- Ferns (various species) - Enhance the woodland garden feel with graceful fronds.
- Tiarella (Foamflower) - Offers spring blooms and complementary foliage texture.
- Hosta (Plantain Lily) - Fills shaded spaces with lush foliage and late summer flowers.