Species Orchid, Epipactis, Giant Helleborine, Giant Stream Orchid
Epipactisgigantea

Synonym:Amesia gigantea

Synonym:Arthrochilium giganteum

Synonym:Epipactis americana

Synonym:Epipactis pringlei

Synonym:Helleborine giganteum

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Grown for foliage
Deciduous
Good Fall Color

Foliage Color
Dark/Black

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

Spacing
15-18 in. (38-45 cm)

Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)

Where to Grow
Can be grown as an annual

Danger
N/A

Bloom Color
Chartreuse (yellow-green)
Medium Purple
Brown/Bronze

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
By simple layering
By air layering
By tip layering
By stooling or mound layering

Seed Collecting