Last updated: June 2026. From delicate miniatures to show-stopping hybrids, orchids are one of the world’s most diverse and fascinating plant families. In the UK, orchid societies, botanical gardens and major plant shows bring together collectors, specialist growers, conservation groups and curious beginners throughout the year.
Whether you are looking to buy your first orchid, expand a serious collection, meet expert growers, or find small tropical plants for a humid vivarium or paludarium, this updated UK Orchid Shows 2026 calendar brings the key dates together in one place.
UK Orchid Show Calendar 2026
Please check the official event page before travelling, as dates, opening times, ticket details and venues can occasionally change.
| Date | Event | Location | Best For |
|---|---|---|---|
| 7 February – 8 March 2026 | Kew Orchids Festival | Royal Botanic Gardens, Kew, London | Large tropical orchid displays, conservation, photography and a day out |
| 13–15 March 2026 | RHS Orchid Show | RHS Garden Wisley, Surrey | Displays, specialist growers, plant sales and orchid advice |
| 25–29 March 2026 | 24th World Orchid Conference | Dresden, Germany | International orchid displays, talks and global orchid conservation |
| 11 April 2026 | Orchid Society of Great Britain Spring Orchid Show | Squire’s Garden Centre, Shepperton, Middlesex | Friendly society show, plant sales and beginner-friendly advice |
| 19–23 May 2026 | RHS Chelsea Flower Show | Royal Hospital Chelsea, London | World-class horticultural displays, including orchid and tropical plant exhibits |
| 6 June 2026 | OSGB AGM & World Orchid Conference Reports | Cole Court, Twickenham / Zoom | Orchid society meeting, reports from Dresden and expert discussion |
| 18–21 June 2026 | UK International Orchid Show | BBC Gardeners’ World Live, NEC Birmingham | Major orchid show, judged displays, specialist growers and plant sales |
| 4 July 2026 | OSGB 75th Anniversary Orchid Event | Cole Court, Twickenham, London | Talks, orchid growing advice, seed culture and society celebration |
| 25 July 2026 | OSGB Meeting: Orchid Pests & Diseases | Cole Court, Twickenham / Zoom | Practical orchid health advice for growers |
| 1–2 August 2026 | RHS Orchid Show at Harlow Carr | RHS Garden Harlow Carr, Harrogate | Northern orchid displays, RHS garden visit and specialist advice |
| 12 September 2026 | OSGB Orchids for Everyone | Cole Court, Twickenham, London | Talks, orchid auction, members’ show table and plant sales |
| 5 December 2026 | OSGB Orchid Photographic & Art Competition | Orchid Society of Great Britain | Orchid photography, art and society event |
New and Notable Orchid Events for 2026
UK International Orchid Show 2026
The UK International Orchid Show is one of the biggest orchid events to put in the diary for 2026. Taking place from 18–21 June 2026 at BBC Gardeners’ World Live at the NEC Birmingham, it brings together orchid displays, judging, exhibitors, growers and conservation interest under one roof.
For anyone interested in orchids, tropical plants, unusual terrarium plants or conservation, this is one of the most important UK orchid events of the year.
RHS Orchid Show at Wisley
The RHS Orchid Show at RHS Garden Wisley runs from 13–15 March 2026. Visitors can expect displays of colourful and unusual orchids, specialist growers, orchid experts, plant sales and care advice. It is a particularly good event for anyone who wants to see orchids in flower and speak to people who grow them seriously.
Orchid Society of Great Britain Spring Orchid Show
The Orchid Society of Great Britain Spring Orchid Show is listed for Saturday 11 April 2026 at Squire’s Garden Centre in Shepperton. This is a friendly society-led event and a good choice for beginners, collectors and anyone who wants to buy unusual orchids directly from people who understand them.
Spotlight on the Main UK Orchid Shows
Kew Orchids Festival
Kew’s annual orchid festival is one of the best-known orchid events in the UK. The Princess of Wales Conservatory is transformed with tropical displays, themed planting, conservation messages and thousands of orchids. It is not normally a sales-focused event, but it is brilliant for inspiration, photography and seeing orchids displayed at scale.
RHS Garden Wisley Orchid Show
Wisley is one of the most useful orchid events for practical growers because it combines beautiful displays with specialist plant sales and expert advice. If you want to understand how different orchids are grown, watered, displayed and maintained, this is a strong event to attend.
Orchid Society of Great Britain Events
The Orchid Society of Great Britain runs meetings, talks, shows and society events throughout the year. These are especially useful if you want to move beyond supermarket orchids and start learning about species orchids, miniature orchids, mounting, humidity, feeding, pests, diseases and propagation.
RHS Chelsea Flower Show
Chelsea is not a dedicated orchid show, but orchid displays and tropical planting regularly feature within the wider show. It is better for inspiration than bargain hunting, but for serious plant lovers it remains one of the most important horticultural events in the UK calendar.
Best Orchid Shows for Different Visitors
Best for beginners
The OSGB Spring Orchid Show and the RHS Orchid Show at Wisley are good beginner-friendly choices. You can ask questions, see healthy plants in person and learn what different orchid groups actually need before buying.
Best for serious orchid collectors
The UK International Orchid Show, RHS Orchid Show and Orchid Society of Great Britain events are the strongest choices for collectors looking for unusual orchids, specialist growers and deeper advice.
Best for families and photography
Kew Orchids Festival is probably the best choice for a big visual day out. The displays are large, colourful and immersive, making it ideal for photography, families and anyone who wants to experience orchids as part of a tropical glasshouse setting.
Best for vivarium and paludarium inspiration
For people building planted vivariums, paludariums or tropical enclosures, Kew, Wisley and the UK International Orchid Show are especially useful. Look closely at how plants are mounted, how roots are exposed, how moisture is managed and how small orchids are displayed among moss, bark, wood and foliage.
Orchids, Terrariums and Bioactive Vivariums
Many orchids are not suitable for closed terrariums or dart frog vivariums, but some smaller, humidity-loving orchids can work beautifully in the right setup. The key is matching the plant to the environment rather than buying purely on appearance.
In a tropical vivarium, you need to think about airflow, temperature, light, mounting position and whether the orchid wants to dry slightly between watering. Constantly wet roots can cause problems, especially for epiphytic orchids that naturally grow attached to trees rather than buried in compost.
If you are building a planted enclosure, you may also find these Frogfather guides useful: how to grow tropical moss in a vivarium, why bromeliads fail in vivariums, and automated paludarium systems.
What to Look For When Buying Orchids at a Show
- Healthy roots: avoid plants with mushy, black or collapsing roots.
- Firm leaves: leaves should generally feel firm rather than limp or wrinkled.
- Clear labels: named plants are easier to research and care for properly.
- Suitable size: miniature orchids are tempting, but they often need more precise care.
- Correct conditions: ask whether the plant wants cool, intermediate or warm conditions.
- Mounting needs: many small orchids grow best mounted on cork, bark or wood rather than potted.
- Pest checks: look under leaves and around flower spikes for scale, mealybug or mites.
Tips for First-Time Orchid Show Visitors
- Check the official event page before travelling. Opening times and ticket details can change.
- Take photos of plant labels. It makes care research much easier later.
- Ask growers how they keep the plant. Their real-world conditions are often more useful than generic care sheets.
- Do not buy purely because it is flowering. Make sure you can keep it alive after the flowers fade.
- Bring a box or bag for plants. Orchids can be damaged easily in crowds or on public transport.
- Protect plants from cold or heat. Do not leave orchids in a hot car or cold boot after the show.
- Quarantine new plants. Keep new orchids away from your main collection until you are sure they are pest-free.
Useful Frogfather Links for Orchid, Terrarium and Vivarium Keepers
- Vivarium plants
- Bioactive vivarium plant bundle
- Paint-on tropical moss starter
- Bioactive vivariums
- How to grow tropical moss in a vivarium
- Why bromeliads fail in vivariums
- UK rare tropical plant events guide
- UK reptile shows 2025/2026 guide
FAQ: UK Orchid Shows 2026
What is the biggest orchid show in the UK in 2026?
The UK International Orchid Show at BBC Gardeners’ World Live is one of the largest UK orchid events for 2026, with displays, exhibitors, judging and specialist orchid interest at the NEC Birmingham.
Can I buy orchids at orchid shows?
Yes, many orchid shows include specialist growers and plant sales. Events such as the RHS Orchid Show, OSGB Spring Orchid Show and UK International Orchid Show are particularly useful if you want to buy orchids from experienced growers.
Are orchid shows suitable for beginners?
Yes. Orchid shows are one of the best places for beginners because you can see healthy plants in person, ask questions and learn which orchids are realistic for your home or growing setup.
Can orchids grow in a dart frog vivarium?
Some small orchids can grow in tropical vivariums, but they need the right airflow, light, temperature and mounting position. Avoid burying epiphytic orchids in constantly wet substrate, and always research the species before adding it to a frog enclosure.
Should I quarantine orchids before adding them to a vivarium?
Yes. New orchids can carry pests, fertiliser residues, compost additives or hitchhikers. Quarantine and rinse plants properly before adding them to a bioactive vivarium or paludarium.