Smartweed Dodder
Cuscuta polygonorum
- Native to:
- Canada, United States
iNaturalist: © elbourret (iNaturalist #107436635)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Convolvulaceae
- Genus:
- Cuscuta
- Species:
- Cuscuta polygonorum
- USDA Symbol:
- CUPO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep,oct
- Bloom Colors:
- white, cream
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- nutrient-rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Parasitic plant, relies on host for nutrients
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Parasitic plant; seeds germinate in soil but seedlings must attach to a host within days or die. Scarification improves germination.
The above propagation data sourced from Claude AI