Vegetative Variety

Heuchera Carnival

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Data is gathered from our West Grove, Pa., trials (Zone 6a). Southern growers: expect 1-2 weeks earlier finishing. Northern growers: 1 week slower. Consider summertime scheduling accurate. Dates based on a standard 72 liner size.

Week color desired
TC stick week
Liner transplant week
(1 ppp)
Week color desired
TC stick week
Liner transplant week
(1 ppp)
Heuchera Carnival Burgundy Blast
Heuchera Carnival Cinnamon Stick
Heuchera Carnival Black Olive
Heuchera Carnival Fall Festival
Heuchera Carnival Rose Granita
Heuchera Carnival Cocomint
Heuchera Carnival Coffee Bean
Heuchera Carnival Limeade
Heuchera Carnival Peach Parfait
Heuchera Carnival Plum Crazy
Heuchera Carnival Watermelon
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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
Mist: Low to moderate
Fertilization: 50-75 ppm N after 14 days
Pinching: Not necessary.
Transplanting: 8-10 weeks after sticking
Comments: Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C).
Finishing Guide
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.