A traditional type of edible plant or vegetable, possibly a variant or related species of cabbage or similar brassica.
The etymology is uncertain; possibly from an Asian language term, or a regional English dialect word. The specificity of the term suggests it may be a historical or botanical classification.
Coldong is so obscure that even vegetable encyclopedias struggle with it—which means either it's a lost crop that nobody grows anymore, or it's a regional name that never made it into standard gardening!
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