Vegetative Variety

Lavandula stoechas Primavera

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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
URC stick week
Liner transplant week
Spring/Summer
 
Gallon
(1 ppp)
 
 
 
 
*for finishing Apr-July
Week color desired
URC stick week
Liner transplant week
Late-Summer/Fall
 
Gallon
(1 ppp)
 
 
 
 
*for finishing Aug-Oct
Week color desired
URC stick week
Liner transplant week
Winter-Early Spring
 
Gallon
(1 ppp)
 
 
 
 
* for finishing Dec-Mar
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. 2 pinches in liner is good. Can pinch a third time for higher flower count.
Transplanting: 42-56 days after sticking
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
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: Not necessary if pinches provided in liner
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.