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First-Year-Flowering Scheduling Tool

Lavandula stoechas Primavera
North: grown outdoor flowering window weeks 24-40
South: grown outdoor flowering window weeks 12-40
Spring-Early Summer
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
*for finishing Apr-July
Late summer - fall programs
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
*for finishing Aug-Oct
Winter-Early Spring
Week color desired
URC stick week  
Liner ready week  
Liner transplant week  
* for finishing Dec-Mar
Lavandula stoechas Primavera
Suggested Container Size.
Container: 2.5 qt (1 ppp)
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: 500 ppm IBA
Mist: Low; prefers high humidity rather than mist.
Fertilization: 50 ppm N starting at Day 7
Pinching: Recommended after roots are established. Leave 4-5 active internodes.
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: 5.8-6.2
Temperature: Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°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 100 to 125 ppm.
Pinch After Transplant: A final pinching 8 to 10 weeks before flowering will help to increase flower count.
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.