when is the irises bloom microseason in 2026

The irises bloom microseason in Japan for 2026 is June 27 to July 1.

Quick Scoop

This microseason is one of the 72 Japanese seasonal microseasons and sits right after “Self-heal withers” and before “Crow-dipper sprouts.”

A separate 2026 bloom guide also places iris viewing in the broader late-May- to-late-June window, depending on location and weather.

Timing Notes

• Microseason dates: June 27–July 1, 2026.

• General iris bloom season in Japan: usually mid-June to mid-July, with some areas blooming earlier or later.

• Weather matters: actual peak bloom can shift by region and seasonal conditions.

TL;DR

For the 2026 microseason calendar, “Irises bloom” = June 27 through July 1.