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Camissoniopsis cheiranthifolia

Beach Evening Primrose

Family OnagraceaeGenus Camissoniopsis

Also published as Oenothera cheiranthifolia. You are in the right place.

Two golden four-petalled flowers with long stamens, on a short stem of small gray-green leaves, over pale gravel.
FlowerWintertanagerCC BY-SA 3.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
subshrubPlants of the World Online
Flower
YellowFlora of North America

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Flora of North America — Flora of North America Editorial Committee.

Protocol

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing.

Deno says immediately, and gives no count.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, OenotheraPublic domain
Show the original text
Oenothera (Onagraceae). While many species germ. well in dark treatments, 0. biennis has an absolute light requirement so that photorequirements have to be considered in this genus. 0. Oheiranthifolia germ. immediately at 70.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Oenothera. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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