Epipactis gigantea

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Epipactis gigantea
Epipactis gigantea
Epipactis gigantea

Species Name: Epipactis gigantea
Common Name: Stream Orchid, Chatterbox

Subtle but striking late spring to summer blooms. Easy to grow--good in containers if kept moist. Spreads by seed and rhizomes.

Plant Family: Orchidaceae
Plant Type: Perennial
Height by Width: 1 - 2' H x spreading
Growth Habit: Upright, forms extensive colonies
Deciduous/Evergreen: Winter dormant
Growth Rate: Fast
Sun Exposure: Full sun to part shade
Soil Preference: Well-draining
Water Requirements: Regular to constant
Cold Hardy to: 8000'
Flower Season: Late spring, summer
Flower Color: Green/Yellow +purple
Endangered?: Not listed
Distribution: Throughout California, except Central Valley, Southern Channel Islands
Natural Habitat: Seeps, wet meadows, streambanks

Care and Maintenance


Other Names
  • Bornstein, Carol, David Fross, and Bart O'Brien. California Native Plants for the Garden. Los Olivos, CA: Cachuma Press. 2005.
  • Harlow, Nora and Kristin Jakob. Wild Lilies, Irises, and Grasses: Gardening with California Monocots. Berkely and Los Angeles, CA: University of California Press. 2003.