GENERAL INFORMATION
Scientific Name: Viola cornuta
CommonName: Violet
Hardiness Zone: 4b - 9b
Hardiness Degree: -25°F (-25°C)
Blooming Season: Early Spring, Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit: Mounded, Spreading
Characteristics: Shade Tolerant
Water: Medium
Fertilizer: Once a month
Spacing: 12 - 14" (30 - 36cm)
Height: 8 - 10" (20 - 25cm)
Width: 10 - 12" (25 - 30cm)
Exposure: Partial Sun, Sun
PROPAGATION
Media EC/pH: EC 0.80-1.0 mmhos/pH 5.5-5.8
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: 500-750 ppm IBA
Mist: Moderate for first 24-48 hours, then reduce to low.
Fertilization: 50-75 ppm N at Day 7
Pinching: Soft pinch recommended 25-28 days after sticking.
Transplanting: 35-42 days after sticking
FINISHING
Media pH: 5.5-5.8
Temperature: Nights: 50 to 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°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 Pansy/Viola fertilizer at a rate of 125 to 150 ppm.
Pinch After Transplant: Recommended
Plant Growth Regulators: PGRs generally not needed
Pests and Fungal Diseases: Watch for thielaviopsis, pythium, white fly, spider mites.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: Unrooted: 11-13 wks Rooted: 6-8 wks
1–gal. (15–cm) pot, 1 plant per pot: Unrooted: 13-15 wks Rooted: 8-10 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Unrooted: 13-15 wks Rooted: 8-10 wks
Bloom Months: February to October