Diffuse-Flower Evening Primrose
Taraxia subacaulis
Last reviewed: August 2026
Toxicity unknown
Diffuse-Flower Evening Primrose (Taraxia subacaulis) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
2"–8" H × 2"–6" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT and 5 more states
Pollinators
bees, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Taraxia subacaulis is a low-growing native wildflower that forms small, compact clumps close to the ground. This drought-tolerant perennial produces delicate blooms from May through July and thrives in full sun with minimal water needs. Its extremely small size makes it suitable for rock gardens or as ground cover in specialized native plant areas.
In an HOA neighborhood
Diffuse-Flower Evening Primrose takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Extremely small size may appear sparse or incomplete
- Unknown leaf retention creates uncertainty about winter appearance
- May be mistaken for weeds due to low profile
Wildlife value
This plant supports native bees and beetles during its summer blooming period. Its small flowers provide nectar for smaller pollinators that are important to native ecosystems.
Common questions
- How much sun does Diffuse-Flower Evening Primrose need?
- Diffuse-Flower Evening Primrose grows best in full sun conditions.
- When does Diffuse-Flower Evening Primrose bloom?
- Diffuse-Flower Evening Primrose blooms in May, June, and July.
- Where is Diffuse-Flower Evening Primrose native?
- Diffuse-Flower Evening Primrose (Taraxia subacaulis) is native to CA, CO, ID, MT and 5 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Diffuse-Flower Evening Primrose attract?
- Diffuse-Flower Evening Primrose draws bees and beetles.
- Is Diffuse-Flower Evening Primrose HOA-friendly?
- Diffuse-Flower Evening Primrose takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Diffuse-Flower Evening Primrose? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz