Definition of "half-hardy" [half-hardy]

• A plant which requires protection against frost. (adjective)

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• "Once the all-clear sounds, the first job is to harden off the half-hardy annuals."
• "In the meantime, and if you have the room, it is canny to prepare your half-hardy annuals by acclimatising them to being outside."
• "Ryle compares the “jargon” words of epistemology, ethics, aesthetics, etc. to “half-hardy annuals” rather than “hardy perennials” because there is no special field of knowledge (save philosophy itself) by which philosophers get their mastery of concepts, say, of Cognition, Sensation,"