Grannyvine
Ipomoea tricolor
- Native to:
- Mexico, Puerto Rico, United States
A.Savin (commons.wikimedia.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Convolvulaceae
- Genus:
- Ipomoea
- Species:
- Ipomoea tricolor
- USDA Symbol:
- IPTR3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb , Vine
- Height:
- 450 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- blue, purple, white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- hummingbirds, butterflies, bees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers warm, sunny locations in native habitat
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Scarification or soaking seeds in warm water for 24 hours improves germination. Requires warm soil temperatures (65-85°F) for best results.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires scarification. | Requires soaking 24-48 hrs; discard floaters.