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Heuchera Carnival Watermelon

Scientific Name : Heuchera x hybrida
Common Name : Coral Bells
Hardiness Zone : 4a - 9b
Hardiness Degree : -30°F (-34°C)
Blooming Season : Early Spring, Spring
Plant Habit : Mounded
Water : Medium
Fertilizer : Once a month
Spacing : 14 - 16" (36 - 41cm)
Height : 10 - 12" (25 - 30cm)
Width : 12 - 14" (30 - 36cm)
Exposure : Shade, Partial Sun
General Information : Heat-tolerant with high-impact colors.
Idea & Tips : Plant in shade or part sun.
Plant in well-drained, slightly alkaline soils.
Do not bury crown of the plant.
Grower InformationFinally – outstanding, bright Heuchera that are well-matched and affordable!
  • Incredible color assortment of well-matched varieties with distinct leaf venation.
  • Hybrid varieties have H. villosa parentage for excellent heat tolerance and better garden performance.
  • Series is great for one-gallon programs and shade mixed containers.
  • Mounding habits are also brilliant in shady landscapes.
  • Carnival tissue culture-raised liners finish more quickly and uniformly.
NEW! Now available as stage 3 tissue culture! For best practices and more information, please visit
'Carnival Watermelon'
Protection InformationEU PBR37054; PP24,803
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide

    • Media EC/pH:
      EC 0.80-1.0 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      500-1,000 ppm IBA
      Low to moderate
      50-75 ppm N after 14 days
      Not necessary.
      35-42 days after sticking
      Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C). Remove flowers in propagation.
  • Finishing Guide

    • Media pH:
      Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)
      Light Level (fc):
      1,500 to 2,500
      Day length neutral
      Allow media to dry slightly between watering.
      Use a balanced fertilizer at a rate of 100 to 125 ppm.
      Pinch After Transplant:
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      Pythium and Rhizoctonia can result from overwatering.
  • Crop Scheduling

    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 13-15 wks Rooted: 8-10 wks
      1–gal. (15–cm) pot, 1 plant per pot:
      Unrooted: 15-17 wks Rooted: 10-12 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Unrooted: 19-22 wks Rooted: 12-14 wks
      Bloom Months:
      April to May

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