50 Hollyhock ‘Nigra’ (Alcea rosea) Seeds – Deep Red to Nearly Black Heirloom – Non-GMO

Add dramatic vertical elegance and historic charm to your garden with Hollyhock ‘Nigra’, a breathtaking heirloom variety known for its deep chocolate-red, almost black blooms. Towering up to 6 feet tall, these striking flowers create a bold contrast against light-colored fences, walls, and cottage-style backdrops.

This historic cultivar was famously grown at Thomas Jefferson’s Monticello gardens, making it not only visually stunning but also a piece of living garden history.

Perfect for cottage gardens, cut flower arrangements, pollinator habitats, and classic border plantings, Nigra Hollyhock delivers show-stopping beauty year after year.

✨ Why Gardeners Love Nigra Hollyhock

• 🌺 Deep red to near-black blooms with velvety richness
• 📏 Tall, elegant vertical growth (up to 60 inches or more)
• 🐝 Attracts bees, butterflies & hummingbirds
• 🌿 Heirloom, Non-GMO variety
• ✂️ Excellent for cut flower gardens
• ☀️ Thrives in full sun
• 🌱 Easy to grow and maintain

🌼 Plant Details

• Botanical Name: Alcea rosea
  
• Variety: Nigra
  
• Life Cycle: Biennial (may bloom first year if spring sown)
  
• Plant Height: Up to 60 inches (can grow taller in ideal conditions)
  
• Spacing: 18–36 inches
  
• Bloom Time: Mid–Late Summer through Fall
  
• Light Requirement: Full Sun
  
• Planting Season: Spring or Fall
  
• Hardiness Zones: 1–13
  
• Sowing Method: Direct Sow
  
• Planting Depth: ¼ inch
  
• Cold Stratification: Not required

🌱 How to Grow Hollyhock ‘Nigra’

Hollyhocks thrive in full sun and moist, well-drained, fertile soil.

Planting Steps:

1. Soak seeds in warm water for 12 hours before planting.
2. Scatter seeds and lightly cover with no more than ¼ inch of soil.
3. Water thoroughly to a depth of 2 inches.
4. Germination occurs in 10–14 days.
5. Thin seedlings to 18–36 inches apart.

Bloom Timing:

• Spring-sown seeds: May bloom first year or the following season.
• Fall-sown seeds: Bloom the following year.

Care Tips:

• Keep soil evenly moist (not dry).
• Remove faded blooms to extend lifespan.
• In colder regions, cut back and mulch in winter.
• Hollyhocks naturally self-seed for continued displays.

🌸 Design Ideas

• Nigra Hollyhock is stunning:
• Along fences and walls
• In cottage gardens
• Behind perennial borders
• Near white buildings for dramatic contrast
• In pollinator gardens

Its tall stature adds beautiful vertical dimension to any landscape.