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Seoul International Garden Show 2026 — a free, record-breaking garden takes over Seoul Forest all summer (until Oct 27)

Reported 2026-07-21 / Posted 2026-07-21 · Compiled from official Seoul Metropolitan Government information on the 2026 Seoul International Garden Show · By

Right next to Seongsu-dong — the café-and-concept-store neighborhood every visitor seems to be adding to their list — the leafy expanse of Seoul Forest has been turned into the biggest garden the city has ever built. This is the 2026 Seoul International Garden Show, themed "Seoul, Green Culture," and it's exactly the kind of Seoul stop that's easy to say yes to: it's free, it's outdoors, and it runs all summer, through October 27. Come for the gardens, stay for the Seongsu cafés next door.

The essentials

  • What: 2026 Seoul International Garden Show (2026 서울국제정원박람회) — a giant open-air garden festival built by the city, themed "Seoul, Green Culture."
  • When: May 1 – October 27, 2026 (roughly 180 days). It's open right through mid-summer and into autumn.
  • Where: In and around Seoul Forest (Seongdong-gu), linking Seoul Forest, the Han River, Seongsu-dong and the Ttukseom grand garden into one connected "Seoul Forest Grand Garden."
  • Size: More than 150,000 pyeong — the largest garden show Seoul has ever staged, bigger than the 2024 Ttukseom and 2025 Boramae editions.
  • Cost: Free. Seoul Forest itself is a free, open public park, so you can wander in any time.

What it actually is

Instead of fencing off a single showground, the city has turned an entire stretch of riverside parkland into a garden. More than 150,000 pyeong of Seoul Forest, the Han River edge, Seongsu-dong and the Ttukseom grand garden are stitched together into one walkable "Seoul Forest Grand Garden," filled with dozens of gardens — many of them designed and planted by residents. The theme, "Seoul, Green Culture," is the whole point: this is less a flower show behind a ticket gate and more a giant, free green space you stroll through, with the skyline and the river as a backdrop. For a summer visitor, it's shade, greenery and a genuinely pleasant walk — no admission, no plan required.

What to see

  • The Seoul Forest Grand Garden. The heart of the show — large-scale planting across the park, connecting the forest to the river.
  • Citizen gardens. Dozens of individual gardens, many created by Seoul residents, so the styles run from wild and naturalistic to neat and formal.
  • Seoul Forest itself. The park's usual draws — deer enclosure, wetlands, tree-lined walking paths and open lawns — are all part of the day.
  • A second garden festival at Maeheon Citizens' Forest runs at the same time, if you want to make a bigger garden day of it across the city.

Pair it with Seongsu-dong

This is the move that makes the trip. Seongsu-dong — Seoul's converted-warehouse neighborhood of specialty coffee, roasteries, concept stores and pop-ups — sits right beside Seoul Forest. So the natural plan is simple: walk the gardens, then cool off in a Seongsu café. You get greenery and the Han River on one side and one of the city's hippest café districts on the other, all in the same afternoon, and the whole outing costs nothing but coffee and a subway fare. It's one of the easiest, cheapest, most "real Seoul" days you can put together.

How to get there

  • Suin-Bundang Line — Seoul Forest Station: the closest stop, right at the park's edge.
  • Subway Line 2 — Ttukseom Station: a short walk to the park and the Ttukseom side.
  • For Seongsu cafés: Subway Line 2 — Seongsu Station puts you in the middle of the café district, a short walk from the forest.
  • Pay with a transit card: tap in with T-money or the Climate Card — the whole area is a quick, cheap ride from central Seoul.

Summer-smart tips

  • Go early or late. This is peak Korean summer. A garden in the midday sun is hot work — the early morning and the evening are far more pleasant for a long walk.
  • Watch the weather. Late July and August bring both heatwaves and monsoon rain. Check the forecast and, on a very hot day, read our Korea heatwave safety guide; for rainy-season timing, see the Korea monsoon 2026 guide.
  • Bring water, a hat and sunscreen — much of the garden is open and sunny, and you'll be on your feet.
  • Confirm hours and specific programs. Seoul Forest is an open park you can enter any time, but individual garden exhibits, info centers and events keep their own schedules. Check the official Garden Show page or call Seoul's information line 120 before a special program.

Honest take

The 2026 Seoul International Garden Show is a low-effort, high-reward summer stop: it's free, it's a beautiful green break from the concrete, and it's glued to Seongsu-dong, one of the neighborhoods you'll probably want to see anyway. Don't overthink it — pick a cooler part of the day, walk the gardens by the river, then drift into Seongsu for a coffee. The only real caveat is the heat, so plan around the sun, not against it. It runs until October 27, so a September or early-October visit lands in far kinder weather if you'd rather skip the peak-summer swelter.

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