Bracted Passionflower
Passiflora affinis
- Native to:
- Mexico, United States
Internet Archive Book Images (www.flickr.com)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Passifloraceae
- Genus:
- Passiflora
- Species:
- Passiflora affinis
- USDA Symbol:
- PAAF
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 300 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- white, green, yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Gulf Fritillary (Agraulis vanillae), Zebra Longwing (Heliconius charitonius)
Reported Fauna Sightings
Butterflies:Julia butterfly (Dione vanillae)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root system following fire in its native Texas grassland and woodland habitats.
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions, prefers dry conditions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–365 days
- Notes:
- Germination can be erratic and slow. Scarification and cold stratification improve germination rates.
The above propagation data sourced from Claude AI