- having moderate resistance to cold temperatures.
Origin of half-hardy
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for half-hardy
Annuals are divided into three classes, hardy, half-hardy, and tender.Your Plants
The Anemone and Ranunculus are medium, or half-hardy, roots.A Treatise on Domestic Economy
Catherine Esther Beecher
The Carrot, in its cultivated state, is a half-hardy biennial.
It is a half-hardy annual, and is said to have been introduced into England as early as 1596.
Some of the varieties are half-hardy and are used for summer bedding.
- (of a cultivated plant) able to survive out of doors except during severe frost
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012