second blooming; reblooming
Refers to a plant flowering again in the same season or year, often used for roses, cherry blossoms, or other plants that normally bloom once.
The roses' second blooming is beautiful this year.
Cherry blossoms reblooming is rare.
Compound of 二度 (にど, 'twice, second time') and 咲き (さき, 'blooming', from 咲く). The reading にどざき shows rendaku voicing of さき to ざき.