Epipactis gigantea
Epipactis gigantea
Epipactis gigantea
Epipactis gigantea
Epipactis gigantea
Epipactis gigantea
Epipactis gigantea
Giant Helleborine
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Epipactis gigantea, also known as the Helleborine, is a large and hardy terrestrial orchid that produces typical orchid flower spikes, combining brown, orange-yellow, and red colours. This unique spring to summer flowering lasts several weeks. It is equally beautiful in slightly damp flowerbeds as well as on the banks by water, and it also thrives in pots. It prefers moist to wet, light, slightly acidic soils, in full sun, or partial shade.
Epipactis gigantea is a plant belonging to the orchid family. This botanical species is native to the western states of the USA and northern Mexico. In the wild, it grows along watercourses in constantly wet to damp humus-rich soils. It is a perennial plant with fleshy rhizomes, easily reaching 70-80 cm (28-32in) in height and 40 cm (16in) in width. Its deciduous vegetation emerges from the ground in spring and disappears in autumn. It has four to twelve sheathing and lanceolate leaves measuring 5 to 15 cm (2 to 6in) long, from which a terminal inflorescence emerges, displaying up to 15 flowers with a diameter of 3.5 cm (1in). They bloom from May to June to July. Each flower has three light brown or greenish sepals veined with darker lines and two reddish-brown petals veined with purple. The labellum is cup-shaped with a pointed protuberance, brighter and more distinctly veined in reddish-brown, often marked with yellow. The flowering is followed by the formation of a pendant capsule measuring 2 to 3 cm (1in) long, containing thousands of small seeds.
Epipactis gigantea is a unique, yet natural-looking plant that is easy to incorporate into damp flowerbeds or along water bodies, alongside Japanese primroses, Euphorbia palustris, or even astilbes that thrive in the same conditions. It also grows well in pots without any special protection.
When you receive your orchids, handle them with care: these plants have few roots and are delicate!
Epipactis gigantea in pictures
Flowering
Foliage
Plant habit
Botanical data
Epipactis
gigantea
Orchidaceae
Giant Helleborine
North America
Planting and care
The cultivation of Epipactis gigantea is easy on the edge of a stream, on a rocky subsoil, in a peaty, porous, moist and rather acidic soil. It dislikes suffocating, heavy and impermeable soils. This plant appreciates full sun or partial shade. In the ground, its roots dislikes stagnant waterlogging in winter. In a pot, use a mixture of 60% ericaceous soil, 20% horticultural compost and 20% coarse sand. It will be necessary to ensure that the substrate remains constantly moist.
In fact, it needs water constantly, but without waterlogging, as this can be fatal to it in winter.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.