Hydrangea · Karuizawa

When is hydrangea in Karuizawa?

Hydrangea in Karuizawa typically runs 5 June to 15 July. Hydrangea usually finished by your dates.

5 June to 15 July, 2026

Typical (multi-year average)

Hydrangea usually finished by your dates.

Karuizawa is in the chubu region.

Your JP Adventure

Plan a trip to Karuizawa

Build a Japan trip around Karuizawa, timed for hydrangea.

All seasonal phenomena · 2026

The whole calendar for this city

Live and forecast windows update through the year; historical entries are the multi-year average.