Skip to main content

Greater Purple Fringed Orchid

Platanthera grandiflora

Last reviewed: July 2026

Greater Purple Fringed Orchid (Platanthera grandiflora)
Photo: khteWisconsin / Wikimedia Commons (Public domain)

Light

part shade

Water

medium

Size

12"–36" H × 6"–12" W

Bloom

Jun, Jul, Aug

Native to

CT, DE, IL, MA and 13 more states

Pollinators

moths, butterflies

Greater purple fringed orchid is a stunning native wildflower that produces tall spikes of fragrant, deeply fringed purple flowers from June through August. This elegant perennial thrives in partial shade with consistent moisture and goes dormant in winter, disappearing completely until the following growing season.

In an HOA neighborhood

Greater Purple Fringed 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.

  • Completely disappears during dormancy leaving bare soil
  • Wild orchid appearance may seem too naturalistic for formal landscapes
  • Requires specific growing conditions that signal specialized native gardening

Wildlife value

The fragrant blooms are specifically adapted to attract night-flying moths and butterflies with their long spurs and sweet scent. This orchid is particularly valuable for supporting native sphinx moths and other long-tongued pollinators.

Common questions

How much sun does Greater Purple Fringed Orchid need?
Greater Purple Fringed Orchid grows best in part shade conditions.
When does Greater Purple Fringed Orchid bloom?
Greater Purple Fringed Orchid blooms in June, July, and August.
Where is Greater Purple Fringed Orchid native?
Greater Purple Fringed Orchid (Platanthera grandiflora) is native to CT, DE, IL, MA and 13 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Greater Purple Fringed Orchid attract?
Greater Purple Fringed Orchid draws moths and butterflies.
Is Greater Purple Fringed Orchid HOA-friendly?
Greater Purple Fringed 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 USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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

Not sure where to start? Take the 2-minute yard quiz