Most gardeners assume that all Crassula species are tender, indoor-only plants that will collapse at the first hint of frost. This is broadly true for the genus Crassula (family Crassulaceae) as a whole — the majority of the 200-odd species are indeed frost-sensitive. But there are notable exceptions, and at the extreme end, one species tolerates temperatures that would… Continue reading Cold-Hardy Crassula — Which Species Can Survive Frost?
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