Greater Purple Fringed Orchid
Platanthera grandiflora
Last reviewed: August 2026
Toxicity unknown
Greater Purple Fringed Orchid (Platanthera grandiflora) 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
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
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 437 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
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 World Checklist of Vascular Plants (Kew).
- 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 World Checklist of Vascular Plants (Kew). 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