Oenothera serrulata
Plains Yellow Primrose · Serrate-leaved Evening-primrose · Tooth-leaved Primrose · Yellow Sundrops · Toothed Evening Primrose
Also published as Calylophus serrulatus. You are in the right place.
About the plant
What it is and where it grows — not part of any germination protocol.
The plant
- Habit
- Herbaceous perennialPlant Finder
- Habit
- perennialPlants of the World Online
- Height
- 0.5-1.5 ft15-45 cmPlant Finder
- Spread
- 0.5-1.5 ft15-45 cmPlant Finder
- Flower
- Showy; yellowPlant Finder
- Blooms
- June to JulyPlant Finder
- Native range
- Central North AmericaPlant Finder
- Hardiness zones
- 3-8Plant Finder
- Note
- Taprooted, so it resents moving. Tolerates drought.Plant Finder
Growing conditions
- Sun
- Full sunPlant Finder
- Soil
- Dry, gravelly or sandy, well-drainedPlant Finder
- Moisture
- DryPlant Finder
- Watering
- DryPlant Finder
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plant Finder — Missouri Botanical Garden; Plants of the World Online — Royal Botanic Gardens, Kew.
Protocol
DerivedN. C. Deno, 1993Difficulty Low
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 35 days to germinate.
Germinates in 35 days.
Deno says abundantly. No count.
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
No trials shared for this species yet.