Yellow Fringed Orchid
Platanthera ciliaris
- Native to:
- Canada, United States
Jhapeman (en.wikipedia.org) at English Wikipedia (en.wikipedia.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orchidaceae
- Genus:
- Platanthera
- Species:
- Platanthera ciliaris
- USDA Symbol:
- PLCI2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Epiphyte
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- orange, yellow
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Butterflies:Palamedes Swallowtail (Papilio palamedes)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, moths
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Associated with fire-maintained bogs, wet savannas, and pine flatwoods; benefits from periodic fire that reduces competition.
Soil Requirements
- Soil Type:
- moist, sandy, acidic soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers open, sunny areas in wet meadows or bogs
Propagation & Germination
- Notes:
- Orchid seeds require mycorrhizal fungi for germination; extremely difficult to germinate without specialized lab techniques.
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
ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Requires light or the seed is very fine. Surface sow and expose to light. * see http://greatlakesorchids.com/The%20Kitty%20Todd%20Initiative-v4.pdf