Chelsea in Bloom 2026: London's Free Flower Festival & Why Gardening Is Brilliant for Kids

This week, the streets of Chelsea are bursting into colour as Chelsea in Bloom returns for its 21st year. Running from 18–24 May, London's largest free flower festival transforms shops, restaurants and hotels into breathtaking floral artworks — and it won't cost you a penny to enjoy. It's also the perfect moment to think about getting your children into gardening, with clubs and courses available across the UK on BusyKids.

What Is Chelsea in Bloom?

Produced by Cadogan in association with the Royal Horticultural Society, Chelsea in Bloom runs alongside the world-famous RHS Chelsea Flower Show. While the Flower Show requires tickets, Chelsea in Bloom is completely free to attend — making it an ideal family day out in London.

Over 145 of Chelsea's best retailers, restaurants and hotels compete to create the most spectacular floral displays, each interpreting the year's theme in their own unique way. The displays are judged by an expert panel, with winners announced during the week and a People's Champion Award decided by public vote.

This Year's Theme: Out of This World

The 2026 theme "Out of this World" sees Chelsea transformed into an intergalactic wonderland, with spectacular floral displays inspired by space travel, astrology and spiritual symbolism. Highlights include a Zodiac-inspired constellation at Sloane Square, a UFO hovering over Pavilion Road, a lunar landscape at Duke of York Square, and mythical four-metre dragon and Pegasus sculptures on Sloane Street.

On the King's Road, an enormous floral globe — as if seen from space — honours Sir David Attenborough's 100th birthday in May. It's a celebration of both the natural world and the imagination, making it a wonderful experience for children and adults alike.

Interactive Map: Key Installations

Use the map below to plan your route around the six large-scale installations. Click each marker for details about what you'll find there.

From Flowers to Fingers in the Soil: Why Gardening Is Brilliant for Children

Events like Chelsea in Bloom can spark a genuine interest in plants and the natural world. But you don't need to live in London to nurture that curiosity — gardening clubs and courses across the UK offer children hands-on experience growing, planting and caring for living things. And the benefits go far beyond just getting muddy.

Research confirms that time spent in nature helps children regulate their emotions, enhances learning, and sparks joy and curiosity. The charity Place2Be notes that gardening gives children space for their feelings to surface in a way that sitting down and talking sometimes cannot.

Gardening Clubs for Kids on BusyKids

We list hundreds of gardening clubs and community growing groups across the UK. Whether your child is a complete beginner or already has green fingers, there's a local group to get involved with. From horticultural societies and community gardens to park conservation groups and specialist plant clubs — there's something for every interest.

Featured Gardening Clubs

Here are some of the gardening clubs and community growing projects with dedicated pages on BusyKids:

• Bristol Cactus Society — specialist cacti and succulent growing group in Bristol
• Friends of Hove Lagoon — community conservation and gardening in Brighton & Hove
• Friends of Worthington Park, Sale — park conservation and community gardening in Greater Manchester
• Friockheim Park Community Volunteers — community park gardening in Angus, Scotland
• Growing Space — community growing projects supporting wellbeing through gardening
• Lincs Group of the Hardy Plant Society — specialist hardy plant growing in Lincolnshire

These clubs welcome members of all ages and abilities, offering a wonderful way for families to connect with nature, learn new skills, and contribute to their local community.

Browse all gardening clubs on BusyKids →

Getting Started at Home

You don't need a garden to get started. Here are some simple ways to spark your child's interest before signing up for a club:

• Windowsill herbs: Basil, cress, and mint grow quickly and give children fast results
• Sunflower challenge: Plant a sunflower seed and measure its growth each week
• Bug hunt: Explore your local park and identify insects that help gardens thrive
• Visit a garden centre: Let your child choose a plant to care for themselves
• Attend Chelsea in Bloom: A free, inspiring day out that shows what flowers can do

Visit Chelsea in Bloom This Week

If you're in or near London, Chelsea in Bloom is a wonderful free family outing. Start at Sloane Square tube station and wander through the streets at your own pace — there's no set route, so you can explore freely. The displays are up all week from 18–24 May, and you can vote for your favourite via the Chelsea in Bloom website.

For children, it's a chance to see flowers used in extraordinary, creative ways — from four-metre mythical creatures to zodiac constellations made entirely from fresh blooms. It's the kind of experience that can turn a passing interest in nature into a genuine passion.

Sources: Chelsea in Bloom, Visit London — Chelsea in Bloom guide. Content was rephrased for compliance with licensing restrictions.