Yellow Passionflower
Passiflora lutea
- Native to:
- United States
National Herbarium of New South Wales, The Royal Botanic Gardens & Domain Trust.
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Passifloraceae
- Genus:
- Passiflora
- Species:
- Passiflora lutea
- USDA Symbol:
- PALU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 300 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- yellow, green
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Plebeian Sphinx (Paratrea plebeja), Gulf Fritillary (Agraulis vanillae), Julia butterfly (Dryas iulia), Zebra Longwing (Heliconius charitonius)
Reported Fauna Sightings
Butterflies:Julia butterfly (Dione vanillae), Variegated Fritillary (Euptoieta claudia), Zebra Longwing (Heliconius charithonia)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, birds
- Deer Resistant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire or mechanical damage.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers fertile soils with organic matter
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–365 days
- Notes:
- Germination is erratic and may take up to a year. Scarification and cold stratification improve germination rates.
The above propagation data sourced from Claude AI