Evening Primrose
Evening Primrose is a flower that is native to North America. It can tolerate high acidity levels in soil and can be planted in the spring or fall when located in zones 7-10. Anywhere else, it should only be planted during the spring. This flower gets its name from its full blooms that open in the evening and are closed by morning. Evening Primrose requires full sun and well-drained soils to grow. This species of primrose is less aggressive than some of the other primrose species.
- Common Name: Evening Primrose
- Latin Name: Oenothera lamarckiana
- Type: Flower
- Color: yellow
- Cycle: Annual
- Origin: Native
- Height: 24-60"
- Bloom Season: Spring-Summer
- Germination: 15-20 Days
- Seeds Per Pound: 870,000
- Seeding Rate: 3
*Planting and Bloom Season. Please remember that Planting and Bloom seasons will differ for each variety depending on the location and climate conditions where they are being planted. Please refer to the USDA Plant Hardiness Map provided in our FAQ section for specifics on how to determine the best time of year to plant for your specific situation. The information provided below is based on experienced agricultural practices throughout the Willamette Valley of Oregon and is applicable to Zones 7-10 only.