Primrose Seeds - Oenothera Evening Primrose Flower Seed

Primrose Seeds - Evening

Flower Specifications

Approximate seeds per pound: 864,000

Season: Annual

USDA Zones: 3 - 9

Height: 24 - 48 inches

Bloom Season: Mid to late summer

Bloom Color: Yellow

Environment: Full sun

Soil Type: Well-drained, pH 5.5 - 7.0

Deer Resistant: Yes

Planting Directions

Temperature: 65 - 70F

Average Germ Time: 15 - 30 days

Light Required: Yes

Depth: 1/16 inch

Sowing Rate: Plant this wildflower seed at 3 pounds per acre

Moisture: Keep seeds moist until germination

Plant Spacing: 18 - 24 inches

Evening Primrose (Oenothera Lamarckiana) - What a treasured wildflower that has naturalized throughout the United States. Evening Primrose is easily propagated from flower seed, and it does wonders when planted in a meadow or along a fence line. Oenothera Evening Primrose gets its name because it opens in the late afternoon and stays opened throughout the evening. It has light yellow blooms that measure over 2 inches across, and they have a rich scent that attracts bees, butterflies and birds.

Evening Primrose is an annual wildflower with a fairly short bloom period. Its flowers may be seen in May and June, with the peak being mid-May.They prefer a sunny area with well-drained soil. They are liberal self-sowers, spreading their own flower seed, so after they are done blooming.

How To Grow Evening Primrose From Seed: To sow Evening Primrose seeds outdoors, prepare weed-free soil and loosen the top 1 - 2 inches. Spread the flower seed and rake them into the soil only lightly covering. Sow Oenothera Primrose seeds in early spring or late fall. Evening Primrose Flower Care: In the spring, before flowering, apply a compost as a fertilizer around the plants. After flowering, cut back the Primrose plants after blooming is done to reduce the spreading. 

Lovely Native Wildflower

Evening primrose grows happily in almost any part of the United States. It is actually one of the few wildflowers native to North America!

Lovely Native Wildflower

Primrose Seeds | Evening

How to Grow

Sow outdoors in early spring or late fall when temperatures are around 65F-70F degrees. Sow into a prepared and loosened soil bed, planting at a depth of 1/16 inch. Evening primrose prefers full sun and open conditions, similar to its native meadow environment. Keep seeds moist until germination, but not wet. These seeds should germinate in 15-30 days. In the spring, before flowering, apply a compost as fertilizer around the plants.

  • Sowing rate: 3 pounds per acre
  • Depth: 1/16 inch
  • Moisture: Keep seeds moist until germination
  • Average Germ Time: 15 - 30 days
Primrose Seeds | Evening

Flower Specifications

After flowering, it is helpful to cut back the stems and foliage to reduce overspreading.

  • Bloom Season: Mid to late summer
  • Height: 24 - 48 inches
  • USDA Zones: 3 - 9
  • Season: Annual