Valerian Growing Guide
Perennial flowering herb whose root extract is one of the most widely used herbal sleep aids globally. Listed in European, US, and WHO pharmacopoeias. Grown commercially in Germany, Poland, Belgium, and India.
Growing Conditions
Soil Requirements
Soil Type & pH
Best soil types: loam, sandy loam, moist meadow
pH range: 5.5 - 7 (optimal: 6)
Drainage: moderate
Nutrient Needs (N-P-K)
Planting Guide
Yield & Economics
Common Pests & Diseases
Common Pests
- aphids
- valerian moth
Common Diseases
- root rot
- powdery mildew
- leaf spot
Use to identify issues early and prevent crop losses.
Growing Tips
Harvest roots in the second autumn when valerenic acid content peaks; wash, slice, and dry at max 40C to preserve active compounds.
Remove flower stalks in the first year to direct energy to root development — flowering reduces root mass significantly.
Prefers cool, moist conditions; in warm climates, grow in partial shade with consistent irrigation.
Frequently Asked Questions
How long does Valerian take to grow?
Valerian typically takes 540 days from planting to harvest. Seeds germinate in about 14 days. The best planting season is spring, fall.
What soil does Valerian need?
Valerian grows best in loam, sandy loam, moist meadow soil with a pH of 5.5-7. Moderate drainage is required.
What temperature does Valerian need?
Valerian grows best at 12-22°C. Frost tolerance: high. Heat tolerance: low.
What is the expected yield for Valerian?
Valerian yields approximately 3,000 kg dried root/hectare under good conditions.
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