MISSOURIEvening Primrose Seeds
Oenothera macrocarpa a.k.a. O. missouriensis
Certainly one of the most beautiful of the Evening Primrose flowers, it produces clear yellow paper thin blossoms up to 5 inches across from June to September. Grows to 12 inches tall with soft velvety leaves and a sprawling habit. Winter hardy to zone 4. Grows nicely with Gaillardia, ‘Blue Queen’ Salvia, ‘Fuji Blue’ Balloon Flower, ‘Blue Select’ Fescue, and ‘Telham Beauty’ Campanula.
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.
Flower Specifications
- Approximate seeds per pound:3,200,000
- Season: Perennial
- USDA Zones: 6 – 10
- Height: 12 – 16 inches
- Bloom Season: Late spring and summer
- Bloom Color: Yellow
- Environment: Full sun to partial shade
- Soil Type: Well-drained, pH 5.8 – 6.8
- Deer Resistant: Yes
Planting Directions
- Temperature: 65 – 70F
- Average Germ Time: 20 – 45 days
- Light Required: Yes
- Depth: Do not cover the seed but press into the soil
- Sowing Rate: 2 – 3 seeds per plant or sow this wild flower seed at 1 lb per acre
- Moisture: Keep seeds moist until germination
- Plant Spacing: 12 – 18 inches