Orange Agoseris
Agoseris aurantiaca
- Native to:
- Canada, United States
JW Stockert
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Agoseris
- Species:
- Agoseris aurantiaca
- USDA Symbol:
- AGAU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- orange, yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees, small mammals
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in alpine and subalpine meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination. Sow on surface or barely cover. Cold stratification improves germination rates significantly.
The above propagation data sourced from Claude AI
Pre-treatment: Trays were planted, moistened, wrapped in plastic bags and placed in a cold room to stratify for 3 weeks. Other sources may require more or less stratification.
Establishment: Seed ripens May to June at elevations between 5,200 and 6100 ft in the Great Basin. Plants typically produce 1-3 seedheads annually, but may continue to bolt scapes as long as soil moisture is adequate. Seed is naturally wind dispersed, so timing collections is critical. Plants typically occur at low densities requiring hand collection.
Source: npn.rngr.net