25 Seeds Black Knight Hollyhock Perennial Deep Purple Flower Seeds

Black Knight Hollyhock is a dramatic perennial known for its towering spires of deep, almost black, purple blooms. These stately plants add vertical interest and old-fashioned charm to any garden, attracting pollinators. Each seed packet contains 25 seeds to start your own display.

Ideal for cottage gardens, back borders, or along fences, they produce large, single flowers from summer to fall. Plants are biennial or short-lived perennials, often self-seeding. Offer full sun and well-drained soil for best performance.

Species: Alcea rosea
Variety: Black Knight
Type: Perennial (often grown as biennial)
Plant Habit: Upright
Sun: Full sun
Soil: Well-drained
Days to Harvest: Not applicable
Zones: 3-9
Germination: 10-14 days
Sowing: Surface sow, press into soil
Spacing: 18-24 inches
Notes: May need staking to support tall flower spikes.