My Plants List
Create your own plant list and get plant care reminders direct to your inbox!
My Plant Care
Get more detailed care advice, specific how-to guides and care reminder prompts right to your inbox!
My Garden Match
Check you are planting correctly with our unique garden match tool.
Did you know 30% of new plants purchased die within the first year because they are planted in the wrong place? Don't make that costly and upsetting mistake!
My Questions
Ask a question, make a comment and discuss plants and gardening!
My Plants List
Create your own plant list and get plant care reminders direct to your inbox!
 |
Beginner
skill rating |
 |
2.5m
max. spread |
 |
1.5m
max. height |
 |
5-10 years
to maturity |
 |
1 hour care
per year |
Botanical name: Romneya coulteri
Other names: Californian tree poppy, Dream of the desert, Giant white Californian poppy, Matilija poppy, Californian poppy, Bush poppy, Canyon poppy
Sign up for your FREE ACCOUNT today or login to add this plant to your plants list
Genus: Romneya
Species: R. coulteri - R. coulteri is a vigorous, suckering herbaceous perennial, with divided, greyish-green leaves and large, white, poppy-like flowers and dark-yellow stamens.
Romneya coulteri is: Deciduous
Flower: White, Yellow in Summer
Foliage: Grey-green in Summer
Habit: Clump-forming, Erect, Bushy
Awards: RHS AGM (Award of Garden Merit)
Romneya coulteri (Californian tree poppy) will reach a height of 1.5m and a spread of 2.5m after 5-10 years.
Sign up for your FREE ACCOUNT today or login to match this plant to your garden
Suggested uses: Cottage/Informal, Beds and borders, City, Drought Tolerant, Mediterranean, Wallside and trellises
Cultivation: Plant in its final place (dislikes transplanting), ideally against a warm, sunny wall protected from cold winds. Mulch deeply prior to winter.
|
| Soil types: |
Loamy, Sandy |
 |
| Soil drainage: |
Well-drained, Moist but well-drained |
|
| Soil pH: |
Acid, Alkaline, Neutral |
|
| Light: |
Full Sun |
|
| Aspect: |
South, West |
|
| Exposure: |
Sheltered |
|
| Hardiness: |
Tender in frost (H3) |
|
|
|
|
Discuss Romneya coulteri (Californian tree poppy) with other Shoot members.
Sign up for your FREE ACCOUNT today or login to add a comment or question about this plant
We list 25 suppliers who tell us they sell Romneya coulteri (Californian tree poppy). In order to see the list you'll need to either register or log in as a full member.
Sign up for a FULL ACCOUNT today or login as a full member.
If you sell this plant and would like to add a link, please fill in this form.
"Shoot is fantastic. It's a really great way of ensuring the investment our clients make in a garden will continue to grow and improve each year."
