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Bransford, W.D. and Dolphia
Epipactis gigantea Dougl. ex Hook.
Chatterbox Orchid, Giant Hellebore, Stream orchid
USDA Symbol: EPGI
USDA Native Status: Native to U.S.
Leafy stems usually growing in dense patches and in the axils of each upper leaf 1 bilaterally symmetrical greenish-brown and pinkish flower.
The lower lip and tongue move when the flower is touched or shaken; thus giving it the alternate name Chatterbox.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Complexity: Simple Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Pink , Orange , Yellow , Green , Purple , Brown
Bloom Time: Apr , May , Jun , Jul
AZ , CA , CO , ID , MT , NM , NV , OK , OR , SD , TX , UT , WA , WY Canada: BC Native Distribution:
British Columbia to Mexico; from the Pacific Coast east to the Rocky Mountains and the Black Hills. Native Habitat:
Ledges, Stream, river banks USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade , Shade
Soil Moisture: Moist , Wet
Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High
Soil Description: Sandy, Sandy Loam Medium Loam, Clay Loam, Clay, Limestone-based, Calcareous
BenefitUse Ornamental: Water garden, Bog or pond area
Conspicuous Flowers: yes
Fragrant Flowers: yes
Deer Resistant: High
PropagationPropagation Material: Root Division
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Oregon Native Plant Nursery
- Woodburn, OR
Recommended Species Lists
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Record Modified: 2007-01-01
Research By: NPC