Etrog Citron (Citrus medica); photo courtesy of Olivia Tracy
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This winter, if you’re hoping to cheer up your indoor space, why not incorporate the bright color and invigorating scent of a citrus tree? While some citrus varieties are too large to grow indoors, there are dwarf cultivars of lime, lemon, orange and tangerine that can grow in containers, including the ancient Etrog Citron (Citrus medica; pictured); sour citrus does particularly well, as it requires less heat to ripen.3 While many nurseries are now closed for the season, you can still mail-order dwarf citrus trees from reputable seed and plant distributors.
Some Indoor Citrus Varieties Include:1,2,3
LIMES:
Bearss Lime (Citrus latifolia)
Kaffir Lime (Citrus hystrix), grown mostly for the leaves
LEMONS:
Meyer lemon (Citrus x meyeri)
Variegated Pink Lemon (Citrus x limon)
TANGERINES AND ORANGES:
Mandarin/Satsuma Oranges (Citrus reticulata); actually a tangerine, with fragrant flowers and the familiar ‘orange.’
Calamondin Orange (Citrofortunella mitis), a small, sour orange; often grown as an ornamental.