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

See Examples For:

half-hardy

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

Sphenogyne speciosa: half-hardy, 1 ft., orange-yellow, with black ring around the disk.

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

Chrysanthemum carinatum: a charming half-hardy annual, 2 to 3 ft. high, with several varieties, of which C. Burridgeanum with zones of white, crimson and yellow is best.

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

But I nearly always grow these half-hardy annuals; orange African Marigold, French Marigold, sulphur Sunflower, orange and scarlet tall Zinnia, Nasturtiums, both dwarf and trailing, Nicotiana affinis, Maize, and Salpiglossis.

From Wood and Garden Notes and thoughts, practical and critical, of a working amateur by Jekyll, Gertrude

Silene compacta: half-hardy, 3 to 6 inches, bright pink; clustered as in S. Armeria.

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