GENERAL INFORMATION
Scientific Name: Heuchera x hybrida
CommonName: Coral Bells
Hardiness Zone: 4a - 9b
Hardiness Degree: -30°F (-30°C)
Blooming Season: Early Spring, Spring
Plant Habit: Mounded
Characteristics: Deer Resistant, Attracts Hummingbirds
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
PROPAGATION
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
Mist: Low to moderate
Fertilization: 50-75 ppm N after 14 days
Pinching: Not necessary.
Transplanting: 8-10 weeks after sticking
FINISHING
Media pH: 5.8-6.2
Temperature: 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
Vernalization: No
Daylength: Day length neutral
Watering: Allow media to dry slightly between watering.
Fertilization: Use a balanced fertilizer at a rate of 100 to 125 ppm.
Pinch After Transplant: No
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: 6-8 wks
1–gal. (15–cm) pot, 1 plant per pot: 10-12 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: 12-14 wks
Bloom Months: April to May