Skip to content
opens in a new window

First-Year-Flowering Scheduling Tool

Caryopteris clandonensis Grand Bleu®
North: grown outdoor flowering window weeks 28-36
South: grown outdoor flowering window weeks 32-40
Late summer - fall programs
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
Caryopteris clandonensis Grand Bleu®
Propagation Guide
Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 1,000-3,000 ppm IBA
Mist: Low to moderate
Fertilization: 50-75 ppm N
Pinching: Pinch once in the liner stage.
Transplanting: Liner transplant week
Comments: Discontinue mist as quickly as possible once rooting occurs.
Finishing Guide
Media pH: 5.8-6.2
Temperature: Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)
Light Level (fc): 5,000 to 8,000
Vernalization: No
Daylength: long day obligate
Watering: Allow media to dry regularly between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: No
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Spider mites
Container: 4 qt (1 ppp)