Trumpet Evening Primrose
Oenothera jamesiinative · Hill Country
Trumpet Evening Primrose is a biennial wildflower native to the Texas Hill Country that grows 4–6 ft tall and 3 ft wide. It wants full sun and medium water. Blooms yellow in Jul–Oct. Good for butterflies.
Wet ground only. Usually found in wetlands and creek bottoms. It wants reliably moist ground and struggles in a dry upland bed.
Will it grow in your yard?
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The facts
5 sources- Type
- Biennial wildflower
- Sun
- Full sun (6–8 hrs of direct sun)
- Water
- Medium
- Height
- 4–6 ft
- Spread
- 3 ft
- Bloom
- Jul–Oct · yellow
- Foliage
- Deciduous or dies back in winter
- Soil
- Recorded on loam, moist, rich, sand, well drained
- Deer
- Moderate — deer may browse it, especially new growth
- Wildlife
- Supports butterflies
Where it grows
Recorded in these EPA Level IV ecoregions in the Austin and Hill Country launch area:
Balcones CanyonlandsNorthern Blackland PrairieFloodplains and Low Terraces
29 occurrence records in Central Texas (GBIF).
Can you buy it?
Also grows here — hard to find. Native and recorded growing in Central Texas, but not on the grower stock lists we read. Sourcing varies: some are stocked widely, others you will have to hunt for.