Giant Cowbane
Tiedemannia filiformis subsp. greenmannii
- Native to:
- United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Apiaceae
- Genus:
- Tiedemannia
- Species:
- Tiedemannia filiformis subsp. greenmannii
- USDA Symbol:
- OXGR5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- aug,sep,oct,nov
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Host Plant for Caterpillars
Black Swallowtail (Papilio polyxenes)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, wasps
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Occurs in wet pine flatwoods and savannas maintained by periodic fire; resprouts from rootstock after burns.
Soil Requirements
- Soil Type:
- moist, sandy, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetland areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
The above propagation data sourced from Claude AI