National Capital Orchid Society International Show & Sale

About

Held in Gaithersburg at the Montgomery County Fairgrounds, the National Capital Orchid Society International Show & Sale is the largest orchid show on the East Coast. Expect 5,000 square feet of exhibits and vendors from across the U.S., Ecuador, Brazil, Taiwan, Canada, and Thailand — rare species, new hybrids, show-quality plants, and supplies for every level of grower. 2026 marks the show's first year at this new venue.

Details

Type

Show

Season / Event Date(s)

Sep 18–20, 2026

Venue

Montgomery County Fairgrounds, 16 Chestnut Street

Tags

• annual
• multi-day
• plants
• vendors