How much sun does Boreal Bog Orchid need?

Boreal Bog Orchid grows best in part shade conditions.

When does Boreal Bog Orchid bloom?

Boreal Bog Orchid blooms in June, July, and August.

Where is Boreal Bog Orchid native?

Boreal Bog Orchid (Platanthera dilatata) is native to AZ, CA, CO, ID and 19 more states, per the World Checklist of Vascular Plants (Kew).

Is Boreal Bog Orchid HOA-friendly?

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

Boreal Bog Orchid

Name: Pollinator Patch
Author: Pollinator Patch

Platanthera dilatata

Last reviewed: August 2026

Toxicity unknown

Boreal Bog Orchid (Platanthera dilatata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

high

Size

8"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

AZ, CA, CO, ID and 19 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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

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

Boreal bog orchid is a delicate native wildflower that produces spikes of small, fragrant white flowers during summer months. This moisture-loving perennial requires consistently wet soil and partial shade.

In an HOA neighborhood

Boreal Bog 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.

Requires bog-like conditions
Dies back completely leaving bare spots

Wildlife value

The fragrant white flowers attract moths and other nocturnal pollinators during its summer blooming period.

Common questions

How much sun does Boreal Bog Orchid need?: Boreal Bog Orchid grows best in part shade conditions.
When does Boreal Bog Orchid bloom?: Boreal Bog Orchid blooms in June, July, and August.
Where is Boreal Bog Orchid native?: Boreal Bog Orchid (Platanthera dilatata) is native to AZ, CA, CO, ID and 19 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Boreal Bog Orchid attract?: Boreal Bog Orchid draws moths.
Is Boreal Bog Orchid HOA-friendly?: Boreal Bog 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.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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