Why is my cardoon dying?

Online Answer
Cardoon requires a long, cool growing season (about five months), and while it is not particularly frost-sensitive, in heavier freezes it may lose its leaves and resprout, or in extended hard freezes, die..
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Cardoon requires a long, cool growing season (about five months), and while it is not particularly frost-sensitive, in heavier freezes it may lose its leaves and resprout, or in extended hard freezes, die..