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Product Description
Bring a burst of vibrant blue to your garden with Blue Polemonium Flower Seeds, an heirloom variety cherished for its bright blooms and sun-loving nature. Perfect for borders, containers, and cottage-style gardens, these GMO-free seeds are easy to grow and ideal for gardeners looking for low-maintenance, long-lasting flowers.
Heirloom Variety: Preserves traditional plant genetics for consistent growth and future planting.
GMO-Free: 100 Pcs% natural, non-modified seeds.
Sun Loving: Thrives in full sun, producing vivid and abundant blooms.
Vibrant Blue Flowers: Adds color and charm to any garden setting.
Easy to Grow: Suitable for both beginner and experienced gardeners.
Seed Type: Blue Polemonium
Plant Height: 12–24 inches (approx.)
Flower Color: Blue
Growth Habit: Upright, bushy flowering plant
Germination Time: 10–21 days under optimal conditions
Sowing: Start seeds indoors in trays or pots with well-draining soil; can also be sown directly outdoors after the last frost.
Depth: Lightly cover seeds with 1/8 inch of soil.
Watering: Keep soil lightly moist until seedlings emerge; moderate watering once established.
Light: Full sun for optimal growth and flowering.
Temperature: Maintain 18–22°C (65–72°F) for best germination.
Transplanting: Space seedlings 6–12 inches apart for healthy growth.
Care: Remove spent flowers to encourage continuous blooming and maintain plant vigor.

Life Cycle
Perennial flowering
Planting Season
Spring sowing
Growth Habit
Upright clumping
Flavor Profile
Non-edible ornamental
Plant Characteristics
Blue bell blooms
Use
Garden borders décor
Growing Conditions
Cool temperate climate
Harvest Advantages
Long bloom period
Plant Resistance
Pest tolerant
Polemonium caeruleum
Seed Names
Polemonium caeruleum
Seed Type
Heirloom open-pollinated
Blue Polemonium, also known as Jacob’s Ladder, is a charming perennial valued for its delicate blue flowers and ladder-like foliage. Ideal for home gardens, it thrives in sunny to partial shade conditions and adds a soft, natural elegance to borders and flower beds.
Light Requirement
Full sun
Planting Depth
¼ inch deep
Sowing Method
Direct or trays
Plant Spacing
12–18 inches
Days to Maturity
60–90 days
Soil Preparation
No treatment needed
Hardiness Zones
3 to 8
Water Needs
Moderate watering
Planting Season
Early spring
Seed Count
Recommended Coverage
100
Up to 10 sq ft
500
Up to 50 sq ft
1000
Up to 100 sq ft