Vervain Plant
Vervain (Verbena officinalis) is a perennial herb growing 1-3 ft tall, hardy in USDA Zones 4-8, prefers well-drained, loamy soil, full sun to part shade, low to medium moisture, not edible, and has medicinal uses.
Habit
Perennial
Height
0.5 to 0.8 m
Growth
Moderate
Soil
Well-drained, loamy
Shade
Well-drained, Loamy
Moisture
Low to medium
Edible
No
Medicinal
Yes
Origin
Europe, Asia
Climatic Condition
Temperate, Subtropical
Temperature (°)
15°C to 25°C
Humidity (%)
50% to 70%
Potting media
50% Loam, 40% Sand, 10% Compost
Fertilizers
Organic Fertilizer
Watering
Regular watering
Plant Weight
0.2 to 0.3 kg
Flowering Time
Summer to Fall
Soil Ph level
6.0 to 7.5
Water Ph level
6.0 to 7.0
Soil EC
0.4 to 0.6 mS/cm
Yield Per Plant
1 to 2 kg per plant
NPK ratio
10:10:10
life Span
2 to 3 years
Health Benefits
Medicinal, Antioxidant
Suggested Grow Media or Potting Mix ?
50% loamy soil, 30% compost, 20% sand
Suggested Fertigation/Fertilizers
Fertilize every 2 weeks with a balanced fertilizer.
Common Diseases and Remedies
Powdery Mildew, Leaf Spot, Rust, Root Rot, Botrytis Blight
White powdery coating on leaves, Brown or black spots on leaves, Orange pustules on leaves, Wilting, yellowing leaves, root decay, Gray mold on flowers and leaves
Apply sulfur or neem oil, Remove affected leaves, use compost tea, Increase air circulation, use compost tea, Improve drainage, apply compost tea, Improve air circulation, remove debris
Systemic fungicides like myclobutanil, Copper-based fungicide, Fungicides containing chlorothalonil, Fungicide application, Fungicides containing iprodione