NCOS International Orchid Show & Sale 2026

Friday, September 18 – Sunday, September 20

Montgomery County Fairgrounds, Gaithersburg, Maryland

We are thrilled to share that the National Capital Orchid Society International Show and Sale has a new home for 2026 at the Montgomery County Fairgrounds in Gaithersburg, Maryland. 

From September 18–20, 2026, orchid lovers from across the Mid-Atlantic and around the United States are invited to experience one of the largest orchid shows on the East Coast! The show promises to be bigger and better than ever, with 5,000 square feet of exhibits and vendors with an unparalleled selection of orchids for every level of grower.​​

This year’s international vendor lineup showcases an extraordinary range of orchids and tropical plants, with committed vendors traveling from across the United States and around the globe.

ORCHID VENDORS

• Monster Island Orchids & Tropical Plants (New York)
• Oceanside Orchids (CA)
• Orchid Classics (VA)
• Taida Orchids (Taiwan)
• Hamakua Orchids (Hawaii)
• Woodstream Orchids (MD)
• Magic Oasis Orchids (Canada)
• MundiFlora (Ecuador)
• Miranda Orchids (Brazil)
• Ecuagenera (Ecuador)
• Wade’s Orchids (PA)
• Waldor Orchids (NJ)
• Ten Shin Gardens (Taiwan)
• Additional vendors TBA

Collectors can look forward to rare species, new hybrids, and show-quality plants, along with a full weekend of orchid excitement under one roof! Stay tuned—more details coming soon!

SHOW DATES AND TIMES

Friday, September 18 – 12:00 PM-6:00 PM
Saturday, September 19 – 10:00 AM- 6:00 PM
Sunday, September 20 – 10:00 AM- 3:00 PM

NEW LOCATION!

Montgomery County Fairgrounds, Building 6, Hall 3, 16 Chestnut Street, Gaithersburg, Maryland