The tenth 節気 “sekki” division of the traditional Japanese calendar is:
夏至
(げし)
“geshi”
summer solstice
The first “kō” microseason within this division is:
乃東枯
(なつかれくさ かるる)
“natsukarekusa karuru”
Self-heal withers
That makes 乃東枯 the twenty-eighth microseason of the year!
It typically lasts 21~26 June.
Click here to learn about this subseries
Image credit: HerbologyUK.com.