GENERAL INFORMATION
Scientific Name: Verbena canadensis
CommonName: Rose Vervain
Hardiness Zone: 6b - 9a
Hardiness Degree: 15°F (15°C)
Blooming Season: Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit: Spreading
Characteristics: Attracts Butterflies, Attracts Hummingbirds, Frost Tolerant
Water: Medium
Fertilizer: Once a month
Spacing: 28 - 32" (71 - 81cm)
Height: 4 - 6" (10 - 15cm)
Width: 18 - 24" (46 - 61cm)
Exposure: Sun
PROPAGATION
Media EC/pH: EC 0.80 mmhos/pH 5.8-6.2
Soil Temperature: 70-72°F (21-22°C)
Rooting Hormone: None
Mist: Low to moderate
Fertilization: 50-75 ppm N starting Day 7
Pinching: Yes, one to two times in propagation.
Transplanting: 35-42 days after sticking
FINISHING
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: Long day facultative
Watering: Moderate
Fertilization: Use a balanced fertilizer at a rate of 150 to 175 ppm N.
Pinch After Transplant: Typically not required
Plant Growth Regulators: B-Nine/Cycocel sprays 2,500/1,000 ppm
Pests and Fungal Diseases: Not particularly sensitive. Use well-drained media.
CROP SCHEDULING
1–qt. (10–cm) pot, 1 plant per pot: 4-6 wks
1–gal. (15–cm) pot, 1 plant per pot: 6-8 wks
2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot: Not recommended
Bloom Months: March to October