EVENING PRIMROSE Herb Seeds
Botanical Name: Oenothera biennis
Evening Primrose, scientifically known as Oenothera biennis, is a beautiful biennial herb renowned for its vibrant yellow flowers that bloom in the evening and its historical use in traditional herbal medicine. Rich in gamma-linolenic acid (GLA), Evening Primrose has been valued for its potential skin, hormonal, and anti-inflammatory benefits. Its cheerful blooms also attract nocturnal pollinators, supporting garden biodiversity.
Plant Type: Hardy biennial; adapts well to a variety of climates.
Plant Height: Up to 150 cm
Sow When:
- Temperate: March – May, September – November
- Subtropical: April – June, October – December
- Tropical: Year-round
- Arid: October – February
- Cool: March – May, September – November
Germination: Best germination occurs at soil temperatures between 18°C and 24°C.
Depth: Sow seeds lightly, approximately 3 mm deep. Light aids germination.
Position: Prefers full sun but tolerates partial shade.
Sow Where: Sow directly into prepared garden beds or start in trays for transplanting.
Soil Type: Prefers well-drained, moderately fertile soil. Avoid overly rich soils to prevent legginess.
Spacing: Space plants approximately 30–45 cm apart.
Harvest: Flowers and leaves can be harvested in the second year, typically around 100–150 days after sowing. Seeds are often collected for oil or herbal remedies.