x Citrofortunella microcarpa, or calamondin, is thought to be an intergenetic hybrid between a mandarin orange and a kumquat. In the UK it's grown as a small, ornamental tree, although the small fruits are edible. The flesh is sour, but the fruit is sweet. Citrus trees are self-fertile, so you only need one tree to produce fruit; you will need to hand-pollinate the flowers indoors. You may see the pretty, scented, star-shaped flowers and fruits on the tree at the same time.
In the UK, a calamondin is best grown in a pot so that you can move it to a sheltered spot outdoors in the warmer months (June to September), then indoors to a cool, bright and frost-free location, such as a conservatory or heated greenhouse, in the cooler months. It needs a night temperature of at least 13°C.
Plant in ericaceous compost, John Innes or citrus compost, and water with tepid rainwater if possible. In winter, keep the compost just moist - do not overwater. Feed regularly with a citrus feed from spring to autumn. You could raise the humidity by placing the pot on a saucer or tray filled with gravel and topped up with water.
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Citrofortunella and wildlife
Citrofortunella has no particular known value to wildlife in the UK.
Is Citrofortunella poisonous?
Citrofortunella can be toxic.
Toxic to:
Is known to attract Cats
Cats
Is known to attract Dogs
Dogs
Is known to attract Horses
Horses
No reported toxicity to:
Is not known to attract Birds
Birds
Is not known to attract Livestock
Livestock
Is not known to attract People
People
Plants that go well with Citrofortunella microcarpa
