noun
winter peony; tree peony
Refers to a tree peony (Paeonia suffruticosa) that blooms in winter, often cultivated for seasonal display.
冬の庭に寒牡丹が咲いている。
Winter peonies are blooming in the winter garden.
Compound of 寒 (kan, 'cold, winter') and 牡丹 (botan, 'peony'). The reading かんぼたん follows standard on'yomi for the kanji.