GENERAL INFORMATION
Scientific Name: Lavandula angustifolia
Hardiness Zone: 5a - 8b
Hardiness Degree: -20°F (-20°C)
Blooming Season: Late Spring, Summer, Late Summer
Plant Habit: Mounded
Characteristics: Deer Resistant
Water: Light
Fertilizer: Once a month
Spacing: 12 - 14" (30 - 36cm)
Height: 10 - 12" (25 - 30cm)
Width: 10 - 12" (25 - 30cm)
Exposure: Sun
PROPAGATION
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: 42-56 days after sticking
FINISHING
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
Daylength: Long day facultative
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.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Unrooted: 14-16 wks Rooted: 7-8 wks
1–gal. (15–cm) pot, 1 plant per pot: Unrooted: 16-19 wks Rooted: 9-11 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Unrooted: 19-22 wks Rooted: 12-14 wks
Bloom Months: April to September