short-day

American  

[shawrt-dey] / ˈʃɔrtˈdeɪ /

adjective

Botany.

1. requiring a short photoperiod.

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short-day British  

adjective

1. (of plants) able to flower only if exposed to short periods of daylight (less than 12 hours), each followed by a long dark period Compare long-day

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Etymology

Origin of short-day

First recorded in 1915–20

Example Sentences

Gardeners south of 36 degrees North latitude should be growing short-day onions, and those in between should grow intermediate-day types.

From Seattle Times • May 13, 2022

Both "long-day" and "short-day" plants can be fooled�by controlled lighting�into flowering out of season.

From Time Magazine Archive

Saturday being what is termed a "short-day," one had to work with might and main in order to leave at half-past four.

From The Long Day The Story of a New York Working Girl As Told by Herself by Richardson, Dorothy