Green Orchid
Platanthera × lassenii
- Native to:
- United States
Patricia Harding






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orchidaceae
- Genus:
- Platanthera
- Species:
- Platanthera × lassenii
- USDA Symbol:
- PLLA13
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Epiphyte
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, yellow, green
Garden & Ecology Notes
- Wildlife Value:
- moths
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- moist, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers habitats near streams or wetlands
Propagation & Germination
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI