Matilija Poppy
Romneya coulteri
Family: Papaveraceae
Matilija Poppy grows in full sun and prefers dry, well-drained soil. Water needs: Low.
How to Grow Matilija Poppy
Matilija Poppy growing information includes sunlight requirements of Full sun, soil conditions listed as Dry, well-drained soil with a soil pH of 6.0-8.0, and Low water needs. The listed hardiness zones are 7-10. For propagation reference, the database lists germination or establishment information for Matilija Poppy as 21-60 days, with planting or establishment depth listed as 1/8 inch. Days to maturity are listed as 180-365 days.
Plant Overview
Matilija Poppy (Romneya coulteri) is listed in the Papaveraceae family and categorized as a shrub with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Difficult.
- Plant ID
- PLT-3489
- Family
- Papaveraceae
- Plant type
- Shrub
- Life cycle
- Perennial
- Difficulty
- Difficult
Growing Conditions
Matilija Poppy is listed for full sun conditions. Water needs are listed as low. The database soil reference is Dry, well-drained soil. The listed soil pH range is 6.0-8.0, and the listed hardiness range is 7-10.
- Hardiness zones
- 7-10
- Sunlight
- Full sun
- Soil
- Dry, well-drained soil
- Soil pH
- 6.0-8.0
- Water needs
- Low
Seed & Germination
For seed starting, the listed germination time is 21-60 days and the seed depth is 1/8 inch. The listed time to maturity is 180-365 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 21-60 days
- Seed depth
- 1/8 inch
Harvest & Propagation
- Days to maturity
- 180-365 days
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.