Calomondin, Citrus x citrofortunella mitis Post published:April 12, 2023 Post category:Plants Calamondin orange tree is one of the best indoor fruit trees — easy to grow, and beautiful, too! This perennial shrub is actually a cross between a kumquat and a tangerine. Calamondin citrus trees are cold hardy citrus (-6 C.) You Might Also Like Minneola Tangelo April 12, 2023 Black Bamboo, Phyllostachysnigra April 12, 2023 Giant Passion Fruit Passifloradecaisneana April 12, 2023