United States Plant Events and Expos Calendar (2025-2026)

At Leaf Plant Garden, we’re excited to present the ultimate guide to plant events and expos across the United States for 2025 and 2026. From jaw-dropping public flower shows and immersive garden festivals to specialized society sales and scientific horticultural conferences, the U.S. horticultural calendar is as diverse as its climate zones

Whether you’re dreaming of dazzling orchid displays, looking to connect with your local bonsai club, or attending a national research symposium, this guide will help you plan ahead.

Signature Public Flower Shows

PHS Philadelphia Flower Show

📍 Philadelphia, PA

📅 March 13, 2025; Feb 28 – Mar 8, 2026

👥 Public

America’s longest-running horticultural event, the Philadelphia Flower Show is world-renowned for its breathtaking installations and garden artistry. Held at the Pennsylvania Convention Center, the 2025 and 2026 editions promise immersive themed gardens, floral design competitions, live demos, and vendor booths that reflect the cutting edge of horticultural design.

Northwest Flower & Garden Festival

📍 Seattle, WA

📅 Feb 18–22, 2026

👥 Public

As the West Coast’s largest garden showcase, this Seattle-based festival attracts thousands to its stunning garden displays, seminars, and market vendors. From indoor bonsai gardens to DIY-friendly design tips, this is a must-attend for Pacific Northwest gardeners.

💡 Tip: Bring a notebook—this show is packed with education-focused programming!

Home & Garden Shows with Plant Focus

Organized by Nationwide Expos and regional event companies, Home & Garden Shows are happening almost year-round across dozens of U.S. cities. Though their focus spans home remodeling and decor, they always feature garden and outdoor living zones with plant vendors, landscaping ideas, and expert panels.

Some standout 2025–2026 dates include:

• Salt Lake City, UT: Aug 29–31, 2025 & Jan 16–18, 2026
• Cheyenne, WY: Sep 5–7 & Jan 9–11, 2026
• Nashville, TN: Oct 31–Nov 2, 2025 & Apr 24–26, 2026
• Columbus, GA: Nov 14–16, 2025
• South Jordan, UT: Jan 16–18, 2026

Capital Remodel + Garden Show

📍 Chantilly, VA

📅 Feb 20–22, 2026

👥 Public

A gem for garden lovers in the mid-Atlantic region, this show combines practical landscape advice, plant sales, and inspiration for backyard transformations.

Botanical Garden Highlights (2025–2026)

U.S. Botanic Garden, Washington D.C.

📍 Washington, D.C.

• Orchids: Masters of Deception: Feb 14 – Apr 27, 2025
• Season’s Greenings: Dino-mite!: Nov 27, 2025 – Jan 4, 2026

Located at the heart of the U.S. capital, this national treasure blends botanical beauty with education. The orchid exhibition reveals the floral mimicry of orchid species, while the holiday display offers family-friendly wonder with trains and plant-based structures.

Naples Botanical Garden, FL

📍 Naples, FL

• Night Lights in the Garden: Nov 28, 2025 – Jan 4, 2026
• John Eder Photography Exhibit: July 19, 2025 – Jan 11, 2026

With a rich tropical plant collection, Naples hosts sensory events combining light, sound, and botanical elegance.

New York Botanical Garden (NYBG), Bronx, NY

📍 Bronx, NY

• Holiday Train Show®: Nov 15, 2025 – Jan 11, 2026
• The Orchid Show: Feb 7 – Apr 26, 2026
• Flower Power: May 23 – Oct 18, 2026

The NYBG’s Orchid Show features cutting-edge floral artistry and this year’s theme, “Concrete Jungle,” celebrates New York’s urban soul in bloom. Meanwhile, “Flower Power” will explore flowers as cultural and political symbols.

Missouri Botanical Garden, St. Louis, MO

📍 St. Louis, MO

• Smelling the Bouquet: May 2, 2025 – Mar 31, 2026
• Garden Glow: Nov 15, 2025 – Jan 3, 2026
• Orchid Nights: Feb 5 & 19, 2026
• Chinese Culture Days: May 2–3, 2026

This garden excels at immersive and educational programming. “Smelling the Bouquet” explores plant aromas, while “Garden Glow” transforms the space into a winter light wonderland.

Chicago Botanic Garden, IL

📍 Glencoe, IL

• Patterned by Nature: Jun 7 – Sep 21, 2025
• Lightscape: Nov 14, 2025 – Jan 4, 2026
• Orchid Show (est.): Feb 8 – Mar 23, 2026

Their orchid show also includes a Weekend Orchid Marketplace—a must-visit for collectors seeking rare plants and hybrids.

Descanso Gardens, CA

📍 La Cañada Flintridge, CA

• Enchanted Forest of Light: Nov 16, 2025 – Jan 4, 2026

A beloved holiday tradition with glowing floral installations and magical garden paths.

Niche Society & Collector Events

US National Bonsai Exhibition

📍 East Rochester, NY

📅 Sept 13–14, 2025

👥 Public

This is the premier bonsai event in the U.S., showcasing exceptional trees and master craftsmanship. Expect live demos, vendor sales, and deep insights into this ancient art form.

Orchid Society Shows & Speaker Events

Highlights for orchid fans include:

• Nature Coast Orchid Society Spring Show: May 3–4, 2025 (FL)
• Hilo Orchid Society Show: Jul 25–27, 2025 (HI)
• Palm Beaches Speaker Day: Aug 9, 2025 (FL)
• Fort Lauderdale Orchid Show & Sale: Jan 9–11, 2026
• Illinois Orchid Society Show: Mar 2026 (TBD)

Garden Club of America (GCA) Shows

📍 Nationwide | Jul 2025 – Apr 2026

Local GCA chapters host public shows blending floral design, horticulture, and education. Notable dates:

• East Hampton, NY: Jul 23–24, 2025
• Savannah, GA: Feb 12, 2026
• Phoenix, AZ: Mar 21–22, 2026 (Desert Botanical Garden)

Bonsai Events

• Central Florida Bonsai Club Meetings: Jul 19 & Aug 16, 2025
• Bonsai Society of Brevard Show: Aug 16–17, 2025

These community-focused events are great for those interested in Japanese horticultural traditions or seeking local mentorship.

Missouri Botanical Garden Society Plant Sales

• Iris Society Sale: Aug 2–3, 2025
• Daylily Association Sale: Aug 16, 2025
• Gesneriad Society Show & Sale: Sep 6, 2025

Rhododendron Festival Association

📍 Jefferson County, WA

📅 Annually in February

A Pacific Northwest tradition celebrating rhododendron culture and community through plant sales, parades, and garden tours.

Conferences for Professionals & Researchers

For academics and industry professionals, 2025–2026 is filled with knowledge-sharing opportunities:

Major Scientific Conferences

• International Conference on Agriculture and Biotechnology (ICAB)
• International Conference on Plant Biology (ICPB)
• International Conference on Agricultural and Horticultural Sciences (ICAHS)
• International Conference on Agronomy and Crop Sciences (ICAACS)

🧪 Held across cities like Seattle, NYC, Houston, LA, SF, and Honolulu, these events highlight breakthroughs in plant genetics, climate resilience, pest control, and sustainable agtech.

Summary Table: Key Plant Events in USA(2025–2026)

Recent Event:

Sources

• Plantella（Philly / Mid Hudson）：https://phillyexpocenter.com/events/plantella-x-greater-philadelphia-houseplant-expo
• Rare Plant Festival（Miami）：https://www.rareplantfestival.com/
• Tamiami International Orchid Festival：https://tamiamiorchidfestival.com/
• Fort Lauderdale Orchid Society Show & Sale：https://www.flos.org/
• Chicago Botanic Garden Orchid Show 2026：https://www.chicagobotanic.org
• NYBG Orchid Show 2026：https://www.nybg.org/event/the-orchid-show-mr-flower-fantastics-concrete-jungle/
• Longwood Orchid Extravaganza 2026：https://longwoodgardens.org/events-and-performances/events/orchid-extravaganza_1
• Atlanta Botanical Garden Flower Show 2026：https://atlantabg.org/events-exhibitions/flower-show/
• Atlanta Orchid Society Show 2026：https://www.atlantaorchidsociety.org/atlanta-orchid-show/
• SEPOS Orchid Show 2026：https://www.sepos.org/show
• Kanapaha Spring Garden Festival 2026：https://kanapaha.org/events
• Northwest Flower & Garden Festival 2026：https://www.gardenshow.com/
• PHS Philadelphia Flower Show 2026：https://phsonline.org/the-flower-show

Final Thoughts: Why the U.S. Is a Plant Lover’s Paradise

From floral spectacles in convention centers to serene candle-lit trails in botanical gardens, the U.S. has something for every type of plant lover. Here’s what makes this landscape so rich:

• 🌎 Diverse climates = year-round events
• 🛒 Plant acquisition = rare finds at specialty sales
• 📚 Educational reach = top-tier talks, demos & workshops
• 👨‍🔬 Scientific community = active academic calendar

At Leaf Plant Garden, we’ll continue to update this guide with new additions, registration links, and behind-the-scenes coverage as the seasons change. Whether you’re a New Yorker hunting orchids or a Californian enchanted by garden lights, there’s an event waiting for you.

Happy exploring,

— Leaf Plant Garden Team