Dutchman's Laudanum
Passiflora rubra
- Native to:
- Bahamas, Cuba, Dominican Republic, Haiti, Jamaica, Leeward Is., Puerto Rico, Trinidad-Tobago, United States, Virgin Islands, Windward Is.
Hans Hillewaert






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Passifloraceae
- Genus:
- Passiflora
- Species:
- Passiflora rubra
- USDA Symbol:
- PARU3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- red, pink
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Julia butterfly (Dryas iulia)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, bees, birds
- Fragrant:
- Yes
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 organic matter-rich environments
Propagation & Germination
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–365 days
- Notes:
- Seeds have hard coats requiring scarification. Germination can be slow and erratic, sometimes taking up to a year.
The above propagation data sourced from Claude AI