1 1

Black Nigra Hollyhock Seeds - Perennial Flower Seeds for Home Garden, DIY Planting, Special & Beautiful Blooms

Black Nigra Hollyhock Seeds - Perennial Flower Seeds for Home Garden, DIY Planting, Special & Beautiful Blooms

$5.99 USD
$19.99 USD $5.99 USD
Sale Sold out
Shipping calculated at checkout.
Size
Name: Black Nigra Hollyhock Seeds - Perennial Flower Seeds for Home Garden, DIY Planting, Special & Beautiful Blooms
Quantity: 100pcs, 200pcs, 500pcs, 1000pcs
Days to Germination: 14-21 days
Sowing: Direct sow outdoors after last frost or start indoors 6-8 weeks before last frost
Light Preference: Full sun to partial shade
Plant Height: 5-8 feet (1.5-2.4 meters)
Plant Spacing: 18-24 inches (45-60 cm) apart
Planting Zones: USDA Zones 3-9 (Perennial in Zones 5-9, Biennial in colder zones)
Harvest: Blooms in second year (biennial), summer to early fall
Soil Requirements: Well-drained, fertile soil; pH 6.0-8.0
Uses: Cottage gardens, borders, backdrops, cut flowers, pollinator-friendly
Latin Name: Alcea rosea 'Nigra'

Planting Steps:

  • 1. Sow seeds 1/4 inch deep in soil.
  • 2. Keep moist until germination.
  • 3. Thin seedlings if overcrowded.
  • 4. Transplant outdoors after hardening off.
  • 5. Support tall stems with stakes if needed.
View full details