Tag: Common Evening Primrose (Oenothera biennis)

  • Common Evening Primrose

    August 7, 2025 I’m seeing this biennial, herbaceous plant, now in many places along my dirt road coming up the mountain. It’s Common Evening Primrose (Oenothera biennis), which grows quite tall, sometimes to 6 feet. The Evening Primrose flowers look nearly identical to Sundrops (Oenothera fruticosa) but that plant blooms in the spring, while Common…