Species Orchid, Marsh Helleborine, Swamp Epipactis
Epipactispalustris

Synonym:Amesia palustris

Synonym:Calliphyllon palustre

Synonym:Epipactis salina

Synonym:Helleborine palustris

Synonym:Limodorum palustre

Category
Perennials

Water Requirements
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Sun to Partial Shade

Foliage
Herbaceous
Smooth

Foliage Color

Height
18-24 in. (45-60 cm)

Spacing
24-36 in. (60-90 cm)

Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)

Where to Grow

Danger

Bloom Color
Gold (yellow-orange)
Pale Green
Maroon/Burgundy
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed