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First-Year-Flowering Scheduling Tool

Lavandula angustifolia SuperBlue
North: grown outdoor flowering window weeks 24-37
South: grown outdoor flowering window weeks 19-40
Spring-early summer programs
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
Late summer - fall programs
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
*Plantings after week 25 finish faster
Lavandula angustifolia SuperBlue
Propagation Guide
Media EC/pH: EC 0.75-0.80 mmhos/pH 5.9-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 500 ppm IBA
Mist: Low; prefers high humidity rather than mist.
Fertilization: 50-75 ppm N
Pinching: Recommended.
Transplanting: Liner transplant week
Comments: 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: 5.9-6.2
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
Watering: Allow media to dry slightly between watering.
Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Once for smaller pot sizes, twice for larger containers.
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Thielaviopsis, pythium and rhizoctonia can result from overwatering. Thrips, white fly, aphids, fungus gnats.
Container: 2.5 qt (1 ppp)