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Product Description
Heirloom Suworowii Flower Seeds produce delicate blooms that add charm and elegance to any garden. This low-maintenance heirloom variety is perfect for borders, containers, and cottage-style landscapes. With premium-quality, non-GMO seeds, Suworowii is easy to grow and maintain, providing long-lasting color and beauty throughout the growing season.
Features & Specifications:
Heirloom variety with delicate, attractive blooms
Premium quality, non-GMO seeds
Low-maintenance and easy to grow
Growth Habit: Upright, bushy annual
Bloom Colors: Shades of pink, white, or purple
Bloom Time: Late spring to summer
Sunlight: Full sun to partial shade
Plant Height: 12 – 24 inches
Ideal For: Borders, containers, and cottage gardens
Planting Instructions:
Sow seeds ¼ inch deep in well-drained soil and keep soil evenly moist.
Start seeds indoors 6–8 weeks before the last frost or sow directly outdoors after frost danger passes.
Maintain a warm environment (20–25°C) for germination, which occurs in 7–14 days.
Transplant seedlings to garden beds or containers, spacing 12–18 inches apart.
Place in full sun to partial shade and water regularly, removing spent flowers to encourage continuous blooming.

Life Cycle
Perennial flowering bulb plant
Planting Season
Cool season
Growth Habit
Upright, clump-forming
Flavor Profile
Not edible
Plant Characteristics
Tall, conical flower spikes with star-shaped pink-purple blooms
Use
Borders, rock gardens, spring displays
Growing Conditions
Well-drained soil, tolerates dry conditions
Harvest Advantages
Unique architectural blooms with minimal care
Plant Resistance
Cold hardy and drought tolerant
Scientific Name: Allium suworowii
Seed Names
Suworowii
Seed Type
Heirloom, Non-GMO
Heirloom Allium suworowii, commonly known as Suworow’s Onion, is a striking spring-flowering perennial admired for its tall, sculptural flower heads and vibrant pink-purple blossoms. This heirloom, GMO-free variety thrives in sunny locations with well-drained soil and requires very little maintenance once established. Ideal for home gardens and ornamental borders, it adds bold structure and seasonal color with lasting impact.
Light Requirement
Full sun
Planting Depth
½ inch
Sowing Method
Nursery trays or direct sowing
Plant Spacing
10–14 inches
Days to Maturity
730–1095 days (2–3 years)
Soil Preparation
Cold stratification for 4–6 weeks recommended
Hardiness Zones
USDA Zones 4–8
Water Needs
Low to moderate watering
Planting Season
Fall to early spring
Seed Count
Recommended Coverage
100
up to 15 sq ft
500
up to 60 sq ft
1000
up to 150 sq ft