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Product Description
Bring lively color and charm to your garden with Oenothera Lamarckiana Flower Seeds. Known for their bright, showy blooms, these plants are perfect for borders, flower beds, and container planting. Easy to grow and maintain, Oenothera Lamarckiana adds long-lasting beauty and elegance to any home garden.
Produces bright, vibrant, and attractive blooms
Ideal for borders, flower beds, and containers
Easy to grow and maintain
Adds continuous color and charm to home gardens
Perfect for small and medium garden spaces
Type: Annual or short-lived perennial flowering plant
Bloom Time: Summer through early autumn
Height: 12–36 inches (approx.)
Spacing: 10–12 inches apart
Light Requirements: Full sun
Zones: USDA Zones 4–9
Soil Preparation: Use well-drained soil enriched with organic matter.
Sowing: Sow seeds indoors 4–6 weeks before the last frost or directly outdoors after frost. Lightly cover seeds with soil.
Watering: Keep soil evenly moist until seedlings establish. Water moderately once grown.
Germination: Seeds typically sprout within 10–14 days; warm, sunny conditions improve germination.
Care: Thin seedlings to proper spacing. Remove faded flowers to encourage continuous blooming.

Life Cycle
Biennial flower
Planting Season
Cool season
Growth Habit
Upright branching
Flavor Profile
Not edible
Plant Characteristics
Large yellow blooms
Use
Wildflower gardens
Growing Conditions
Dry sunny areas
Harvest Advantages
Evening blooming
Plant Resistance
Drought tolerant
Scientific Name: Oenothera lamarckiana
Seed Names
Oenothera Lamarckiana
Seed Type
Heirloom non-GMO
Oenothera lamarckiana, commonly known as Evening Primrose, is admired for its large, vibrant yellow flowers that open at dusk. This heirloom biennial thrives in sunny, well-drained soils and brings unique evening interest, pollinator attraction, and long-lasting color to home gardens.
Light Requirement
Full sun
Planting Depth
¼ inch
Sowing Method
Direct sowing
Plant Spacing
12–18 inches
Days to Maturity
120–180 days
Soil Preparation
Cold stratification
Hardiness Zones
USDA 4–9
Water Needs
Low watering
Planting Season
Spring or fall
Seed Count
Recommended Coverage
100
Up to 30 sq ft
500
Up to 150 sq ft
1000
Up to 300 sq ft