Plant Calculator

Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Buddleia davidii 'Queen of Hearts' you will need.

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*Correct and successful spacing is complex and depends on project conditions.

Monarch®

Buddleia davidii 'Queen of Hearts'

Butterfly Bush

  • Produces incredibly long red blossoms
  • A favorite of Monarch butterflies
  • Incredible flower coverage
  • Dense clump of minty green leaves

Darwin Perennial
  • Category: Perennials
  • Breeder: Darwin Perennial
  • Hardiness Zone: 5-10
  • Height: 30-48 in
  • Spread: 42-78 in
  • Spacing: 48-84 in
  • Temperature: -20°F
  • Bloom Color: Red
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Critter Resistance
Deer Resistant
Exposure
Full Sun
Foliage Color
Burgundy
Soil Moisture
Light Water
Habit
Upright
Season of Interest (Flowering)
Late Spring
Summer
Additional Information about Buddleia davidii Monarch® 'Queen of Hearts'

Gorgeous butterfly bush produces incredibly long, 10 to 12-in. (25 to 30-cm) panicles of colorful blossoms, a favorite of Monarch butterflies. Incredible flower coverage on its dense clump of leaves. Vibrant magenta red blossoms.

Growing & Maintenance Tips for Buddleia davidii Monarch® 'Queen of Hearts'

Grows best in full sun and fertile, slightly alkaline, well-drained soil. In northern regions, cut this plant back to about 1' tall in early spring. N
Bloom Time: Late Summer