Photo of Epipactis gigantea flower by J.G. in SF

Photo by J.G. in SF

Used with permission, all rights reserved

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Epipactis gigantea

Also Known As

  • Amesia gigantea
  • Arthrochilium giganteum
  • Epipactis americana
  • Epipactis pringlei
  • Helleborine giganteum
  • Giant Helleborine
  • Giant Stream Orchid
  • Species Orchid
  • Stream Orchid

Plant type

perennial, orchid

size

  • H: 12"-16"
  • W: 15"-18"

planting zones

  • 5a-10b

More Options

Epipactis gigantea plant details

Epipactis gigantea is a broadleaf deciduous perennial orchid with green foliage. In spring and summer chocolate, orange, purple and yellow flowers emerge. Grows well with sun and even moisture - regular water. Does well in average and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Epipactis gigantea

Plant type: perennial orchid
Plant family: orchidaceae
Foliage: deciduous green
Mature size: 15 IN - 18 IN - wide, 12 IN - 16 IN - tall
Flowers: chocolate, orange, purple and yellow blooms in spring and summer

GROWING CONDITIONS for Epipactis gigantea

USDA Zones: 5a - 10b
Sun exposure: sun
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: average and well-drained

Nursery contributed plant descriptions

This orchid comes to us from Northern California. We grow in semi shade to full sun with lots of moisture. The 6-8” foliage is dark green. The flowers are a chocolate color in June-July.
Native to the southwestern U.S. on sandstone, this will creep aggressively if happy, sending up scapes of fifteen or so greenish purplish red veined flowers on scapes that can reach 90cm although usually less. ZONE 6
Blooms: spring-summer, yellow-green, purple pouch & petals Zone 3-9. 12"-18", PNW, part shade-sun, moist, well drained
Broad grass green leaves support many amber orange chattering flowers on 16" stems. Provide moisture retentive soil.

Gardening facts about Epipactis gigantea plant

How to Grow Epipactis gigantea

  • Sun Exposure

    • sun
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
  • Special Situation

    • verticillium wilt resistant

Features

  • Flower Color

    • orange
    • yellow
    • purple
    • chocolate
  • Flower Season

    • spring
    • summer
  • Foliage Color

    • green
  • Foliage Season

    • deciduous

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