Thesium
Thesium arvense
Matt Lavin (www.flickr.com) from Bozeman, Montana, USA






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Santalaceae
- Genus:
- Thesium
- Species:
- Thesium arvense
- USDA Symbol:
- THAR10
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, green
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- often found in open, sunny habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–42 days
- Notes:
- Hemiparasitic; requires host plant roots nearby for successful establishment. Germination may be erratic without suitable host.
The above propagation data sourced from Claude AI