Species Orchid, Marsh Helleborine, Swamp Epipactis

Epipactispalustris

Family
Orchidaceae (or-kid-AY-see-ee)
Genus
Epipactis (ep-ih-PAK-tiss)
Species
palustris (pal-US-triss)
Synonym
Amesia palustris
Calliphyllon palustre
Epipactis salina
Helleborine palustris
Limodorum palustre
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Smooth
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)
Bloom Color
Gold (yellow-orange)
Pale Green
Maroon/Burgundy
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

Free Soil, Michigan

Kalamazoo, Michigan

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Baa
| August 2001 | neutral

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