How much sun does Alaska Orchid need?

Alaska Orchid grows best in part shade conditions.

When does Alaska Orchid bloom?

Alaska Orchid blooms in June, July, and August.

Where is Alaska Orchid native?

Alaska Orchid (Platanthera unalascensis) is native to CA, CO, ID, MI and 8 more states, per the World Checklist of Vascular Plants (Kew).

Is Alaska Orchid HOA-friendly?

Alaska Orchid takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Alaska Orchid

Name: Pollinator Patch
Author: Pollinator Patch

Platanthera unalascensis

Last reviewed: August 2026

Light

part shade

Water

medium

Size

4"–24" H × 2"–8" W

Bloom

Jun, Jul, Aug

Native to

CA, CO, ID, MI and 8 more states

Pollinators

moths

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 432 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Coast Range Puget Lowland Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Southern California Mountains North American Deserts Central Basin and Range Southern Rockies Northwestern Great Plains Southern California/Northern Baja Coast

Rein orchid is a delicate native wildflower with slender spikes of small white to greenish flowers. This orchid produces narrow leaves and grows in partially shaded, moist conditions during summer months.

In an HOA neighborhood

Alaska Orchid takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Extremely difficult to establish and maintain
May disappear entirely for years
Looks like a weed to most people

Wildlife value

Provides nectar for moths and other nighttime pollinators during its summer blooming period.

Common questions

How much sun does Alaska Orchid need?: Alaska Orchid grows best in part shade conditions.
When does Alaska Orchid bloom?: Alaska Orchid blooms in June, July, and August.
Where is Alaska Orchid native?: Alaska Orchid (Platanthera unalascensis) is native to CA, CO, ID, MI and 8 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Alaska Orchid attract?: Alaska Orchid draws moths.
Is Alaska Orchid HOA-friendly?: Alaska Orchid takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Alaska Orchid? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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