American Star-Thistle
Plectocephalus americanus
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Plectocephalus
- Species:
- Plectocephalus americanus
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 3-4 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun, sep
- Bloom Colors:
- lavender, pink
Native Range
United States: Arkansas, Arizona, Connecticut, Iowa, Illinois, Kansas, Missouri, New Mexico, New York, Oklahoma, Rhode Island, South Carolina, Texas, Wisconsin
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:
- native to arid and semi-arid regions
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: OpenAI GPT-4o