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Primrose – Evening

Price range: $2.50 through $22.00

The Evening Primrose (Oenothera biennis) is a charming wildflower known for its fragrant blooms that open in the evening and close by morning, filling your garden with delicate beauty after sunset. This species is less aggressive than other primroses, making it ideal for controlled garden plantings.

Evening Primrose thrives in full sun and well-drained soils and is tolerant of high soil acidity. In USDA Zones 7–10, it can be planted in either spring or fall, while in cooler regions, spring planting is recommended. Its evening-blooming habit and elegant, long-lasting flowers make it a perfect choice for borders, wildflower gardens, and pollinator-friendly landscapes.

The broadcast rate for seeding is 6 – 7.5 pounds per acre.

The seed drill rate for seeding in rows is 3 pounds per acre.

Purchasing Options PriceQuantity
Small Packet $2.50

Covers approximately 5 square feet.

10 Gram $3.00

Covers approximately:
125 square feet. (Broadcast rate)
320 square feet. (Seed drill rate)

1/4 Pound $12.00

Covers approximately:
1,450 square feet. (Broadcast rate)
3,630 square feet. (Seed drill rate)

1 Pound $22.00

Covers approximately:
5,805 square feet. (Broadcast rate)
14,520 square feet. (Seed drill rate)

Scientific Name

Oenothera lamarckiana

Product Type

Flower

Color

Yellow

Cycle

Annual

Origin

Introduced species

Height

24-60"

Germination Time

15-20 days

Bloom Season

Spring, Summer

Weeks to Bloom

6 to 7 weeks

USDA Zone

3 to 9

Seeds Per Pound

870,000

Seeding Rate (lb./acre)

3

Pollen/Nectar

Nectar, Pollen

Pollinator(s)

Bats, Birds, Butterflies, Honey Bees, Native Bees

Notes

This plant is attractive to bees, butterflies and/or birds

Planting Season

Spring, Fall

Light Requirement

Full Sun

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