Mountain Tansymustard
Descurainia incana
Unknown author
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Descurainia
- Species:
- Descurainia incana
Growth Characteristics
- Life Cycle:
- Annual | Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 1-2 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul
- Bloom Colors:
- Yellow
Host Plant for Caterpillars
Army cutworm (Euxoa auxiliaris), Becker's white (Pontia beckerii), California Marble (Euchloe hyantis), Large Marble (Euchloe ausonides), Spring white (Pontia sisymbrii), Western white (Pontia occidentalis)
Soil Requirements
- Soil Type:
- dry, rocky, well-drained soil
- pH:
- 6.0 - 8.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in arid and semi-arid regions