Skip-the-line available The International Garden Festival at Chaumont-sur-Loire
What the festival is, what's actually on display, when to go within the season, and how it fits with the château and art season.
Most people come to Chaumont-sur-Loire for one thing: the International Garden Festival, running since 1992 and still one of the most influential contemporary garden shows in Europe. Each year, designers from around the world submit proposals to build temporary gardens on a single set theme, and a jury selects the strongest to bring to life across a wooded parkland setting. Because the gardens are rebuilt from scratch every season, the festival changes enough year to year that regulars return again and again. But the estate is more than the festival — there's the furnished château, the 32-hectare historic park, the contemporary Saison d'Art and the celebrated 1877 stables, all on one ticket. This guide covers what the festival actually is, when it runs, how much time to give the estate, whether the day ticket or the two-day pass makes sense, and how to reach it without a car.
What the Festival Actually Is
The International Garden Festival isn't a static botanical garden or a trade show — it's a curated exhibition of temporary, walk-through gardens, each built by a different designer or design team around a shared annual theme. Landscape architects, gardeners and artists from around the world submit competing proposals months in advance; a jury selects the strongest designs, and the winning teams then build their gardens on site ahead of the season. The result is closer to an outdoor art exhibition than a conventional flower show — planting is combined with sculpture, water features, structures and materials to create an immersive space you walk through rather than simply look at.
Because every garden is rebuilt from a blank plot each year on a new theme, no two seasons look alike, and the festival has built a genuine international reputation among landscape professionals as well as garden-loving visitors. It sits within Chaumont's wooded historic parkland rather than a purpose-built showground, so the walk between gardens is itself part of the experience — mature trees, dappled light and open lawns framing each new installation as you move through the grounds.
How the Festival Fits With the Rest of the Estate
The Garden Festival is only one part of what a Chaumont ticket unlocks. The same admission also covers the furnished château — including the Tower of Catherine de' Medici — the 32-hectare historic park in its English naturalistic landscape style, the Saison d'Art contemporary-art programme staged through the château, park and stables, and the stables themselves, built in 1877 for Prince Amédée de Broglie and among the most opulent of their era in Europe. There's no separate festival-only ticket; one all-inclusive admission covers everything on the estate.
That matters for planning, because most first-time visitors underestimate how much there is beyond the flowerbeds. If the festival is your main draw, it's still worth building in time for the château and the stables — the 1877 stalls, with their original cast-iron fittings and named horse stalls, are a genuine highlight that many garden-focused visitors nearly miss.
Best Time Within the Festival Season
The festival runs roughly from late April to early November each year — the estate's high season, when the château, park, stables and art season are all running together. Early in the season (late April into May), planting is still establishing but the gardens are fresh and crowds are thinner than summer. High summer brings the fullest, most mature planting but also the busiest weekends, particularly through July and August. Early autumn, from September into October, is often the sweet spot: gardens still in strong display, softer light for photography, and noticeably quieter paths on weekdays.
Whichever month you choose, weekday mornings beat weekend afternoons for a calmer walk through the gardens. Outside the festival season the estate stays open with lower admission, but the temporary gardens themselves aren't on display — that trade-off is worth knowing if the festival specifically, rather than the château and permanent park, is what's drawing you to Chaumont.
Frequently asked
What is the International Garden Festival, exactly?
An annual exhibition of temporary contemporary gardens, each designed and built by a different landscape architect or team around a single set theme. A jury selects the strongest proposals from international submissions, and the gardens are rebuilt from scratch each season — running since 1992.
When does the festival run?
Roughly late April to early November each year, alongside the Saison d'Art contemporary-art programme. Outside that window, the château, permanent park and stables stay open but the temporary festival gardens aren't on display.
Is the festival included in the standard ticket?
Yes. One all-inclusive ticket covers the château, park, stables, Garden Festival and Saison d'Art — there's no separate festival-only admission.
How long should I allow for the festival?
At least three hours for the Garden Festival alone, and a half-day if you want to properly add the château, stables and art season without rushing.
Is the festival different every year?
Yes — every garden is rebuilt from a blank plot on a new annual theme, so no two seasons look alike. That's why many garden enthusiasts return to Chaumont year after year.