This perennial has a slow creeping rhizome with upright stems that form a clump. It has long lance-shaped mid-green leaves and the greenish brown nodding flowers appear in a terminal cluster above the ground from spring to early summer.

Hardiness zones 5 to 10 

Epipactis gigantea is naturally found in North America from British Columbia to California and east to Montana, Wyoming and extending to New Mexico and Texas. It grows in a variety of habitats that include coastal sage scrub, Red Fir forests, mixed evergreen forests, northern Juniper  and Pinyon-juniper woodlands, commonly along water courses or associated with damp wet areas. 

It prefers a well-drained but moist organic rich soil with a pH 5-8 and grows in a semi-shaded wind protected position from sea-level to an altitude of 2600 m (8,000ft) and is frost tolerant and becomes dormant during drought.  

Stream Orchid it is grown for its flowers and clumping habit. It is planted around water features or used in woodland settings and may be grown in pots or planter boxes. It is suitable for a coastal and low-mountain regions establishing in 2-3 years and is moderately long-lived. This commonly grown American native orchid is easy to cultivate and tolerates a wide range of conditions making it ideal for the home gardener. ID 3650

Epipactis (AY-pee-PAK-tis)   gigantea (JY-gan-TEE-ah)

Orchidaceae (or-kid-AY-see-ee)
Orchid Family