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Antioch Dunes evening primrose

Oenothera deltoides subsp. howellii

Antioch Dunes evening primrose
Photo: Ivette Loredo, U.S. Fish and Wildlife Service, Public domain

Antioch Dunes evening primrose is an endangered short-lived perennial subspecies that grows in tufts in a single sand dune habitat in California. It is hard to grow outside its native dunes, and it is best left to protected conservation sites.

Family
Onagraceae (Evening-primrose family)
Light
Full sun
Water
Needs very little water once established, suited to the dry sandy dune habitat.
Soil
Well-drained sand or sandy dune soil.
Temperature
Native to a warm, mild California climate; sensitive to disturbance rather than a specific temperature range.
How easy
Hard

About

Oenothera deltoides subsp. howellii, the Antioch Dunes evening primrose, is an endangered subspecies of plant in the family Onagraceae, genus Oenothera, and species Oenothera deltoides.

Where it grows

Oenothera deltoides subsp. howellii is a perennial plant that grows only in an environmentally sensitive sand dune habitat located near the meeting of the Sacramento River and the San Joaquin River in California.

Other Oenothera plants

Common evening primrose · Tufted Evening Primrose · Birdcage evening primrose · Beach evening primrose · Hooker's evening primrose · Narrowleaf evening primrose · Redsepal evening primrose · Cutleaf evening primrose · Lindheimer's Beeblossom · Threadleaf evening primrose · Longstem evening primrose · Bigfruit evening primrose

Text excerpted from the Wikipedia article Oenothera deltoides subsp. howellii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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