(of a plant) able to grow outdoors at all times except in severe frost.
（植物）半耐寒的（指除了在严霜情况下均可在户外生长）
a half-hardy annual
一种半耐寒一年生植物。
Example sentencesExamples
They raise roughly 4,500 hardy and half-hardy annual bedding plants each year from seed for containers and various areas of the garden including the box parterre.
Many pinks are hardy perennials, while others are half-hardy and grown as annuals.
The awful thing is that they are all perfectly acceptable names for the same old-fashioned and rather modest little half-hardy perennial plant that used to be seen in garden flower borders all over.
These peppers are half-hardy annuals, easy to grow from seed.
Begin to harden off half-hardy plants in a cold frame or tucked under a sheltering wall outside.
Definition of half-hardy in US English:
half-hardy
adjectiveˈhaf ˈˌhärdēˈhæf ˈˌhɑrdi
(of a plant) able to grow outdoors at all times except in severe frost.
（植物）半耐寒的（指除了在严霜情况下均可在户外生长）
a half-hardy annual
一种半耐寒一年生植物。
Example sentencesExamples
Begin to harden off half-hardy plants in a cold frame or tucked under a sheltering wall outside.
They raise roughly 4,500 hardy and half-hardy annual bedding plants each year from seed for containers and various areas of the garden including the box parterre.
The awful thing is that they are all perfectly acceptable names for the same old-fashioned and rather modest little half-hardy perennial plant that used to be seen in garden flower borders all over.
These peppers are half-hardy annuals, easy to grow from seed.
Many pinks are hardy perennials, while others are half-hardy and grown as annuals.