Transform your landscape with the bold, architectural beauty of Allium Hollandicum 'Purple' Seeds, a top choice among gardeners for its large, globe-shaped purple blooms. These premium, non-GMO ornamental flower seeds produce upright stems topped with spherical blossoms that make an outstanding statement in borders, perennial beds, and modern garden designs.

Known for their eye-catching color, long flowering period, and ability to attract pollinators, these Allium seeds are easy to grow and thrive in sunny, well-drained locations. Their unique structure adds depth, movement, and visual interest to both small and large garden spaces.

Key Features

• Produces large, globe-shaped purple flower heads

• Long-lasting ornamental blooms for garden enhancement

• High-quality, non-GMO seeds

• Ideal for borders, pollinator gardens, and landscape design

• Easy to grow and drought-tolerant once established

• Strong stems suitable for cut flower arrangements

• Adds height and structure to mixed plantings

Specifications

Botanical Name: Allium hollandicum
Common Name (US): Ornamental Allium or Purple Allium
Plant Type: Perennial
Seed Type: Premium, Non-GMO
Flower Color: Purple
Bloom Time: Late Spring to Early Summer
USDA Hardiness Zones: 4–9
Sun Exposure: Full Sun
Soil Requirements: Well-drained, moderately fertile soil
Height: 24–36 inches tall
Spacing: 6–10 inches
Watering Needs: Low to moderate; drought-tolerant once established
Germination Time: 14–30 days (slow germinators)
Temperature for Germination: 55–70°F
Uses: Borders, perennial gardens, ornamental plantings, cut flowers
Special Notes: Deer- and rodent-resistant due to strong scent

Planting Guide

1. Seed Preparation

• Sow seeds outdoors in fall or early spring for natural stratification.

• For indoor sowing, cold-stratify seeds for 4–6 weeks in the refrigerator.

2. Sowing Depth

• Sow seeds ¼ inch deep in well-draining soil.

• Keep soil lightly moist during germination.

3. Light & Temperature

• Provide full sunlight for optimum growth and flowering.

• Maintain 55–70°F during germination.

4. Transplanting

• Transplant seedlings to garden beds once frost danger has passed.

• Ensure well-drained soil to prevent rot.

5. Watering & Care

• Water moderately; do not overwater.

• Mulch lightly to regulate moisture and prevent weeds.

• Allow foliage to die back naturally after blooming to feed the bulbs.

6. Blooming Timeline

• Expect striking purple spherical blooms in late spring or early summer, depending on climate.

Benefits

• Adds architectural drama and color to gardens

• Attracts pollinators such as bees and butterflies

• Resistant to deer and common garden pests

• Perfect for modern, structured, or naturalistic designs

• Excellent for cut flower arrangements and dried floral displays