Product Description
Overview
Blue Polemonium Flower Seeds grow into graceful perennial plants admired for their soft blue, bell-shaped flowers and finely textured, fern-like foliage. Commonly known as Jacob’s Ladder, Polemonium is prized for its early blooming habit, shade tolerance, and timeless cottage garden appeal. Perfect for borders, woodland gardens, shaded flower beds, patio containers, and naturalized landscapes, Blue Polemonium adds calm color, softness, and delicate elegance to any garden space.
Features
Premium-quality, non-GMO Blue Polemonium Flower Seeds
Produces soft blue bell-shaped perennial blooms
Ideal for garden beds, shaded borders, pots, and woodland gardens
Strong germination with compact, clump-forming growth
Early to mid-spring blooming perennial beauty
Decorative fern-like foliage adds texture and interest
Highly attractive to bees and beneficial pollinators
Low-maintenance and beginner-friendly perennial flower
Specifications
Plant Type: Perennial
Common Name: Blue Polemonium, Jacob’s Ladder
Scientific Name: Polemonium caeruleum
Variety: Blue Flowering Type
GMO Status: Non-GMO
Heirloom: Yes
Growth Season: Spring–summer
USDA Zones: 3–8
Sun Exposure: Partial shade to full sun (cool climates)
Soil Type: Moist, well-drained, fertile garden soil
Bloom Time: Mid-spring to early summer
Plant Height: 12–24 inches
Spacing: 10–14 inches
Watering: Moderate (keep soil evenly moist, not soggy)
Planting Guide
Sowing Method: Start indoors in trays or direct sow outdoors
Seed Preparation: Cold stratification for 2–4 weeks improves germination
Sowing Depth: 1/8 inch deep
Germination Time: 14–21 days after stratification
Ideal Temperature: 15–20°C
Transplanting: Transplant when seedlings are strong and well-rooted