25 Seeds Hollyhock Double Dark Purple Perennial Flower | Cottage Garden Tall Blooms

Double Dark Purple Hollyhock brings dramatic height and rich, velvety color to your garden with fully double, deep purple blooms along towering spikes. This classic perennial favorite creates a stunning backdrop in flower beds and cottage gardens, attracting butterflies and hummingbirds while offering months of summer interest.

Ideal for the back of borders, along fences, or as a bold accent, these hollyhocks thrive in full sun and well-drained soil. They are biennial in growth habit, often blooming the second year and self-seeding readily to return year after year. Use them as cut flowers for elegant arrangements or let them naturalize for carefree beauty. Provide support in windy areas and water at the base to keep foliage healthy.

Species: Alcea rosea
Variety: Double Dark Purple
Type: Perennial (biennial)
Plant Habit: Upright, clumping, 5-8 feet tall
Sun: Full sun
Soil: Rich, well-drained
Days to Harvest: Not applicable
Zones: 3-8
Germination: 10-14 days at 60-70°F
Sowing: Direct sow spring or start indoors 6-8 weeks before last frost
Spacing: 18-24 inches
Notes: Self-seeds freely; deadhead to encourage rebloom or control spreading.