Stiff Greenthread
Thelesperma filifolium
Bentham-Moxon Trust.; Curtis, William; Curtis's botanical magazine dedications, 1827-1927 : portraits and biographical notes.; Royal Botanic Gardens, Kew.; Stanley Smith Horticultural Trust.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Thelesperma
- Species:
- Thelesperma filifolium
Growth Characteristics
- Life Cycle:
- Annual | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul
- Bloom Colors:
- Yellow
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Thrives in arid and semi-arid conditions
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: OpenAI GPT-4o