Common Name: Missouri Evening Primrose

Latin Name: Oenothera macrocarpa

Height: 12 inches

Duration: Perennial

Bloom Color: Yellow

Bloom Time: May - August

Water Use: Low

Soil: Medium-Dry, Dry

Light Requirement: Full Sun, Partial Shade

Spreads via seeds and stem cuttings taken in early Summer.

Host Plant: White-lined Sphinx moth caterpillars (hornworms).

Pollinators: Sphinx moths - hawk moths, hummingbird moths, and clearwing moths. Bees will also visit in the early morning and evening when the flowers are open, but they are too small to effectively pollinate the plant.

Other Information:  This short plant produces huge flowers that last only one day. Flowers start blooming in the evening and dry up in the heat of the next day. They attract mostly night-time pollinators. Plants spread outwards and easily reseed to create a ground cover.