Jacob’s Ladder Seeds – White

Enhance your perennial borders or alpine beds with White Jacob’s Ladder Seeds (Polemonium caeruleum), a charming variety known for its delicate white blooms and graceful ladder-like foliage. This perennial is valued for its elegant flower clusters, soft texture, and ability to thrive in cool, partially shaded garden areas.

Perfect for cottage gardens, woodland edges, and mixed perennial plantings, Jacob’s Ladder brings reliable beauty each spring and early summer. Its low-maintenance nature and refined appearance make it an excellent choice for novice and experienced gardeners alike.

Features

• Produces soft white flower clusters atop graceful stems

• Distinctive ladder-like foliage adds texture and visual interest

• Ideal for perennial borders, alpine gardens, and woodland plantings

• Hardy, low-maintenance perennial for cool and moderate climates

• Attracts beneficial pollinators during the blooming season

Specifications

• Common Name: Jacob’s Ladder

• Botanical Name: Polemonium caeruleum

• Color: White

• Plant Type: Hardy perennial

• Bloom Season: Late Spring to Early Summer (May–June)

• Planting Season: Spring or Fall

  • Zones 3–4: Start indoors February–March; transplant May–June

  • Zones 5–6: Direct sow or transplant April–May or September

  • Zones 7–8: Sow outdoors March–April or October

• Hardiness Zones: Zones 3–8

• Sunlight: Partial shade to full sun (prefers cooler, lightly shaded areas)

• Soil Requirement: Moist, well-drained, humus-rich soil

• Germination Time: 14–28 days

• Plant Height: 18–24 inches

• Growth Habit: Clump-forming perennial with upright flowering stems