I have a soft spot for native plants that can thrive in some of the least hospitable environments. The natural range of common evening primrose (Oenothera biennis) covers most of North America east of the Rocky Mountains, and you’re as likely to find it by roadsides or in vacant lots as near woodland edges, prairies, or streams. These plants typically start blooming in July, but you may see some flowers as late as October.
Sometimes known as weedy evening-primrose, German rampion, hog weed, King’s cure-all, or fever-plant, common evening primrose has been used medicinally for hundreds of years. Its seeds are used to produce evening primrose oil, which many take for various health conditions. My midwife recommended that I take evening primrose oil toward the end of my first pregnancy to help ripen the cervix.
The roots and parts of the plants are edible as well, though I’ve never tried cooking them. I took most of the pictures enclosed below in Windsor Heights or Urbandale in early September.
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