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Product Description
Introduce striking texture and bold color to your garden with Purple Eryngo flower seeds. This heirloom variety is admired for its thistle-like blossoms in rich shades of purple, paired with spiky foliage that adds drama and structure to borders and wildflower gardens. Hardy and easy to grow, Purple Eryngo is an excellent choice for gardeners seeking unusual yet reliable blooms.
Seed Type: Purple Eryngo (Heirloom variety)
Color: Vibrant purple blooms with spiky bracts
Growth Habit: Upright, clump-forming perennial
Blooming Season: Summer to early autumn
Height: 60–90 cm (24–36 inches)
Uses: Ideal for borders, wildflower plantings, pollinator-friendly gardens, and dried arrangements
Seed Quality: Non-GMO, open-pollinated
Best Time to Sow: Early spring after frost or start indoors 6–8 weeks before transplanting.
Location: Prefers full sun and thrives in well-draining soil.
Soil Preparation: Sandy or loamy soil is best; avoid heavy waterlogged areas.
Sowing Depth: Sow seeds about 0.5 cm (¼ inch) deep.
Spacing: Allow 30–40 cm (12–16 inches) between plants.
Watering: Keep soil lightly moist during germination, then water sparingly once established.
Care Tips: Purple Eryngo tolerates dry conditions once mature and makes an excellent low-maintenance perennial.

Life Cycle
Annual
Planting Season
Spring–Early Summer
Growth Habit
Mounding Spreading
Flavor Profile
Not
Plant Characteristics
Deep Black Blooms
Use
Borders, Containers
Growing Conditions
Full Sun, Loamy Soil
Harvest Advantages
Continuous Bloom
Plant Resistance
Heat Tolerant
Seed Names
Black Velvet Petunia
Seed Type
Hybrid Open-Pollinated
Light Requirement
Full Sun
Planting Depth
Surface Sow
Sowing Method
Indoor or Direct
Plant Spacing
10–12 Inches
Days to Maturity
80–90 Days
Soil Preparation
No Soaking Needed
Hardiness Zones
9–11
Water Needs
Moderate
Planting Season
Spring
Seed Count
Recommended Coverage
100
Up to 50 sq ft
500
Up to 250 sq ft
1000
Up to 500 sq ft