Oenothera Gayophytum Diffusa
Gayophytum diffusum
Last reviewed: June 2026
Toxicity unknown
Oenothera Gayophytum Diffusa (Gayophytum diffusum) 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
4"–16" H × 2"–10" W
Bloom
Jun, Jul, Aug
Native to
AZ, CA, CO, ID and 8 more states
Pollinators
beetles, flies
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.
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Gayophytum diffusum is a delicate annual wildflower that produces small white or pink blooms throughout summer. This low-growing native thrives in full sun with minimal water.
In an HOA neighborhood
Oenothera Gayophytum Diffusa 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.
- Very small stature may appear weedy
- Annual nature creates gaps when plants die
- Informal wildflower appearance
Wildlife value
The small flowers attract beetles and flies during the summer blooming period. As a native annual, it provides habitat and food sources for local insect populations.
Common questions
- How much sun does Oenothera Gayophytum Diffusa need?
- Oenothera Gayophytum Diffusa grows best in full sun conditions.
- When does Oenothera Gayophytum Diffusa bloom?
- Oenothera Gayophytum Diffusa blooms in June, July, and August.
- Where is Oenothera Gayophytum Diffusa native?
- Oenothera Gayophytum Diffusa (Gayophytum diffusum) is native to AZ, CA, CO, ID and 8 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Oenothera Gayophytum Diffusa attract?
- Oenothera Gayophytum Diffusa draws beetles and flies.
- Is Oenothera Gayophytum Diffusa HOA-friendly?
- Oenothera Gayophytum Diffusa 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 Oenothera Gayophytum Diffusa? 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
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