half-hardy

American  

[haf-hahr-dee, hahf-] / ˈhæfˈhɑr di, ˈhɑf- /

adjective

Horticulture.

1. having moderate resistance to cold temperatures.

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half-hardy British  

adjective

1. (of a cultivated plant) able to survive out of doors except during severe frost

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Etymology

Origin of half-hardy

First recorded in 1815–25

Example Sentences

All these goldenrods would pair nicely with ornamental grasses such as pink muhly grass, blue grama grass or switch grasses, along with half-hardy and tender ornamental sages.

From Washington Post • Sep. 5, 2017

Rhodanthe Manglesii: half-hardy, 1 ft., rosy-pink; a drooping everlasting.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" by Various

Pot hyacinths, tulips and other bulbs for forcing; and propagate half-hardy plants by cuttings.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" by Various

Portulaca splendens: half-hardy, 6 in., crimson, rose, yellow, white, &c., single and double; splendid prostrate plants for sunny rockwork.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" by Various

Sow half-hardy annuals, as Nemophila, Collinsia, Schizanthus, Rhodanthe, &c., to flower during winter.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7 "Horticulture" to "Hudson Bay" by Various