Cupseed
Calycocarpum lyonii
- Native to:
- United States
iNaturalist: © loki_limestone (iNaturalist #168276813)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Menispermaceae
- Genus:
- Calycocarpum
- Species:
- Calycocarpum lyonii
- USDA Symbol:
- CALY2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Vine
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun
- Bloom Colors:
- green, white
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers fertile soil with organic matter
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds may exhibit irregular germination; some may require two cold periods and germinate in second spring.
The above propagation data sourced from Claude AI