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Product Description
Plant in fertile welldrained soil with adequate sunlight. Water regularly and provide good airflow for healthy growth. Ideal for gardeners seeking organic sustainable seed options.

Life Cycle
Biennial flower
Planting Season
Cool season
Growth Habit
Tall upright
Flavor Profile
Non edible
Plant Characteristics
Deep black blooms
Use
Cottage borders
Growing Conditions
Well drained soil
Harvest Advantages
Long blooming stalks
Plant Resistance
Rust tolerant
Scientific Name: Alcea rosea
Seed Names
Black hollyhock seeds
Seed Type
Heirloom open pollinated
Black Hollyhock is a dramatic heirloom biennial admired for its towering flower spikes and deep, velvety black blooms. These GMO-free seeds produce hardy plants perfect for cottage gardens, borders, and backdrops, adding bold vertical interest and seasonal charm.
Light Requirement
Partial shade
Planting Depth
½ inch deep
Sowing Method
Direct sow
Plant Spacing
18 inches apart
Days to Maturity
90–120 days
Soil Preparation
No pre soak
Hardiness Zones
3–9 zones
Water Needs
Moderate watering
Planting Season
Spring season
Seed Count
Recommended Coverage
100
Up to 20 sq ft
500
Up to 100 sq ft
1000
Up to 200 sq ft