Overview

Epipactis palustris is a clump forming herbaceous perennial in the genus Epipactis, part of the Orchidaceae family, with deciduous foliage. Epipactis palustris grows best in partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include woodland garden.

About

Epipactis palustris, commonly known as marsh helleborine or caldrist y gors, is a clump-forming herbaceous perennial orchid from the genus Epipactis. This terrestrial orchid features deciduous foliage with leaves arranged along the stem, and flowers with upper petals that curve inward like a helmet and a cup-shaped lower lip. It thrives in partial shade with moist but well-drained loam soil of neutral pH, ideally in a sheltered, north-, east-, or west-facing aspect. Suitable for woodland gardens, it is hardy to UK zone H5 and flowers in spring and summer.

About the genus

Epipactis, or helleborine, is a genus of terrestrial orchids consisting of approximately 70 species. This genus is abbreviated as Epcts in horticultural trade.

Wikipedia contributors, "Epipactis", CC BY-SA 4.0Epipactis

Growing conditions

Best soil and position for Epipactis

Sunlight
Partial shade
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, East-facing, West-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Epipactis palustris size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Suggested uses
Woodland garden

Care notes

Pruning and caring for Epipactis palustris

Propagation
Seed, division in spring, root cuttings
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Epipactis palustris?

Epipactis palustris prefers partial shade. It suits sheltered positions.

What soil does Epipactis palustris need?

Epipactis palustris grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Epipactis palustris hardy in the UK?

Epipactis palustris has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Epipactis palustris?

Seed, division in spring, root cuttings.