trefle.io · Taken Nov 4, 2017 by Wolfgang Fiege (cc-by-sa)
Orchidaceae
Marsh orchid
Epipactis palustris
Also known as Swamp orchid, Fen orchid, Bog orchid, Helleborine palustris f. ampla
Native Plants · Orchid · Marsh · Wildflower · Bog Plant · Wetland · Native Orchid · Specialist · Pollinator · Orchidaceae · Perennial
Marsh orchid is a specialist wildflower orchid that requires consistently moist, calcium-rich soil and partial sun to thrive. It forms a mycorrhizal relationship with specific soil fungi, making it challenging to establish outside its natural habitat. Best suited for dedicated bog gardens or specialist wildflower projects rather than general home cultivation.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Keep soil consistently moist but not waterlogged; mimics marshy conditions · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 7.5–8
- Temperature
- -20°F to 80°F
- Cycle
- Perennial
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 12 in
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Altay, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Rus, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Iran, Ireland, Irkutsk
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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