Quick answer: Coulter's Matilija poppy (Romneya coulteri) is native to 1 state. What's commonly sold under this name is the true wild species. It's typically seeds, verified 15 Sep 2026.
Photo: Florian Siebeck, Wikimedia Commons (CC BY 2.5)
Where it's native
Listed in the directory as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun |
|---|---|
| Water | Dry |
| Soil | Dry, rocky or sandy soil |
| Bloom | May-Jul |
| Height | Up to 8 ft, tall/heavy/leaning stems |
| Wildlife value | wildlife use not specified |
Buying it
Sold true to the wild species as of the last check (15 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 15 Sep 2026
See where to buy →Quick answers about Coulter's Matilija poppy
Where is Coulter's Matilija poppy native?
Coulter's Matilija poppy (Romneya coulteri) is native to California. Check your state's page in this directory for the full list of plants native where you live.
When does Coulter's Matilija poppy bloom?
Coulter's Matilija poppy blooms May-Jul. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Coulter's Matilija poppy need?
Light: Sun. Water: Dry. Soil: Dry, rocky or sandy soil. Mature height: Up to 8 ft, tall/heavy/leaning stems.
Is Coulter's Matilija poppy good for pollinators and wildlife?
Yes. Wildlife value: wildlife use not specified.
Is Coulter's Matilija poppy deer-resistant or drought-tolerant?
Coulter's Matilija poppy is drought-tolerant.
Where can I buy real Coulter's Matilija poppy seed or plants?
We found a listing sold as seeds that names the true species, last checked 15 Sep 2026. Look for the scientific name Romneya coulteri on any listing.
Similar native plants
Native plants that share growing conditions or range with Coulter's Matilija poppy.
- Black sage Salvia mellifera
- Elegant clarkia Clarkia unguiculata
- White sage Salvia apiana
- California coffeeberry Rhamnus californica
- Common manzanita Arctostaphylos manzanita
- Foothill penstemon Penstemon heterophyllus
Also listed under
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