Multi-country · season money
Follow the blossom front, not a single tree.
Cherry blossom season is a civic calendar that two cultures still live by, not a guarantee tied to a hotel district. Here are the official 2026 tables for Japan and Korea, labeled and dated. Use them to time an unhurried week, not to invent prices. Checked 18 August 2026.
What the bloom actually is
In Japan the year is a material of its own: rain on stone, cicada heat, a tree that is also part of someone’s commute. In Korea the same week can empty a city as people head to their hometowns, or fill a fortress path. Read four weathers and the mountain the office already uses before you treat a forecast as a plan for selfies.
How to read this page
Kaika = first flowering on the official observation tree (Japan). Mankai = full bloom. Korea’s public tourism page quotes first bloom by city and notes peak is roughly a week later — weather still moves the window. We copy official tables; we do not invent “best hotel rates” or single-seat fares.
Label every forecast with its year. A date from a 2024 blog pasted into 2027 is how people book the wrong week and then blame the trees.
Japan 2026: Japan Meteorological Corporation (JMC)
Source of truth for the table below: JMC — Release of 2026 Cherry Blossom Forecast (14th forecast), announced 23 April 2026 (final forecast of that season on the page). Species framing on the notice: Somei Yoshino at ~1,000 viewing locations. Dates are month/day as published.
| Location | Flowering (kaika) | vs avg (d) | Full bloom (mankai) | vs avg (d) | Avg flowering |
|---|---|---|---|---|---|
| Sapporo | 4/18 | -13 | 4/24 | -12 | 5/1 |
| Aomori | 4/13 | -9 | 4/16 | -10 | 4/22 |
| Sendai | 3/31 | -8 | 4/4 | -9 | 4/8 |
| Tokyo | 3/19 | -5 | 3/28 | -3 | 3/24 |
| Kanazawa | 3/29 | -5 | 4/3 | -5 | 4/3 |
| Nagano | 3/31 | -11 | 4/6 | -10 | 4/11 |
| Nagoya | 3/17 | -7 | 3/30 | -3 | 3/24 |
| Kyoto | 3/23 | -3 | 3/30 | -5 | 3/26 |
| Osaka | 3/26 | -1 | 4/3 | -1 | 3/27 |
| Wakayama | 3/24 | 0 | 4/2 | -1 | 3/24 |
| Hiroshima | 3/19 | -6 | 3/30 | -4 | 3/25 |
| Kochi | 3/16 | -6 | 3/31 | +1 | 3/22 |
| Fukuoka | 3/24 | +2 | 4/3 | +3 | 3/22 |
| Kagoshima | 3/27 | +1 | 4/5 | 0 | 3/26 |
Negative deviation = earlier than the average-year flowering date on the same JMC row. Tokyo kaika 3/19 (−5) · mankai 3/28; Kyoto kaika 3/23 · mankai 3/30; Sapporo kaika 4/18 · mankai 4/24.
JNTO also republishes first-bloom style lists for travelers (source note often points at Japan Weather Association / tenki.jp). Treat JNTO as a traveler-facing mirror; when numbers disagree, prefer the met table you intend to cite and re-check the year you fly: japan.travel — Cherry Blossom Forecast.
Korea 2026: VISITKOREA
Official tourism English article: VISITKOREA — 2026 Cherry Blossom Forecast. Headline wording on the page: blossoms expected two to seven days earlier than average. First-bloom list as published:
| City / area | First bloom (forecast) |
|---|---|
| Jeju Island | March 25 (Wed) |
| Busan | March 25 (Wed) |
| Jeonju | March 28 (Sat) |
| Gyeongju | March 28 (Sat) |
| Gangneung | April 1 (Wed) |
| Seoul | April 3 (Fri) |
| Incheon | April 7 (Tue) |
VISITKOREA’s own footnote: actual blooming and peak dates may differ with weather. For in-season status maps, Koreans often use KMA seasonal observation tools (e.g. weather.go.kr spring-flower theme) — use the live page the week you travel; we do not freeze a screenshot as eternal truth.
On the 2026 tables, Korea’s first blooms (Jeju/Busan ~Mar 25 · Seoul Apr 3) sit after Tokyo/Kyoto mankai on the JMC sheet — a natural south→north Japan week, then a Korea handoff, if you have the days.
A spring route you can finish (a shape, not a package)
- Kansai or Tokyo first: follow the full-bloom window for central Japan on the JMC table, without visiting every temple twice. Tokyo · Kyoto · Osaka.
- Optional extension west or north: Hiroshima, which blooms in the same early band, or save days for Tohoku and Hokkaido if your calendar runs into late April. Hiroshima.
- The border: from Fukuoka to Busan by sea or air, with the same precautions as the year-round route. Japan–Korea corridor.
- Korea as the second act: the salt air of Busan, plus Jinhae and Gyeongju, if the south is still pink; then Seoul when the capital’s first-bloom week arrives. Busan · Seoul · Gyeongju.
Rough length: 12 to 16 days, if both countries get a fair share of the blossom. With fewer than 10 days, choose one country and one realistic peak week. Two airports and no time in the parks is how spring trips fail.
Costs (no invented yen or won fares)
- Japan rail — Nationwide JR Pass only when the Shinkansen math wins. Full official 2026 yen tables (online vs agency; Oct 2026 agency step-up): JR Pass 2026. Source: japanrailpass.net. Classic “Tokyo + Kyoto only” often skips the nationwide pass — re-check the tables the week you buy.
- Korea entry + rail — K-ETA only on k-eta.go.kr (fee and exemption windows on our transit guide). KORAIL PASS FX KRW table and skip rules: Korea entry + KORAIL PASS. No invented single KTX seat prices here.
- Places to stay: spring weekends near famous parks sell out early. Book refundable rooms where you can; we do not quote an invented “average hanami hotel” price.
- Visas — Japan short-stay exemption / eVISA: MOFA only (visa exemption, JAPAN eVISA). Korea: visa.go.kr + K-ETA guide above. Never invent eligibility.
Manners in the park (cheap insurance)
- Take your trash with you. Don’t break branches for content.
- A picnic tarp is temporary real estate, so leave when the park asks you to.
- Dawn and late light are better than the midday queues at the same tree.
- If rain strips the petals overnight, you are still in Japan or Korea. Walk the neighborhood you booked for.
Sources (check again before you book)
- JMC 2026 sakura forecast (14th · 23 Apr 2026)
- VISITKOREA 2026 Cherry Blossom Forecast
- JNTO cherry blossom forecast page
- JR Pass official prices
- Japan events & seasons · Korea events · Plan · Free kits
Yomu Travel is independent editorial — not a package-tour operator. No affiliate booking links. Forecasts move; prices move; always open the official page the week you pay.