Coulter's Matilija Poppy
Romneya coulteri
Paul de Longpré (1855-1911)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Papaveraceae
- Genus:
- Romneya
- Species:
- Romneya coulteri
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 8-12 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul
- Bloom Colors:
- White
- Landscaping Shrub:
- Yes
Native Range
United States: California
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Thrives in nutrient-poor soils; avoid rich soils
Germination Information
Pre-treatment: Seed germination is stimulated by the presence of charred wood or aqueous extracts of it, with a 40% increase in germination as compared to control.
Source: npn.rngr.net