Fortunella japonica 'Centennial' is a variegated small tree that forms refreshing orange and green striped fruits.

Fortunella japonica 'Centennial' is a variegated small tree that forms refreshing orange and green striped fruits.

Fortunella japonica 'Marumi' forms delicious, small, round shaped fruits 1-2 inches long that have a thin rind and are eaten whole, skin and all.

Fortunella japonica 'Nordmann' produces large crops of bright orange, elongated, seedless kumquats.

Fortunella japonica 'Nordmann' produces large crops of bright orange, elongated, seedless kumquats.

Fortunella obovata 'Fukushu' forms the largest fruits of any kumquat and are among the most delicious.

Fortunella obovata 'Fukushu' forms the largest fruits of any kumquat and are among the most delicious.

Citrus limetta 'Pomona' produces abundant fruits as big as a lime that are greenish-yellow, seedless, low acid, and very juicy.

Citrus limon 'Genoa' has vigorous, compact growth perfect for containers with great lemon production and good cold tolerance.

Citrus limon 'Genoa' has vigorous, compact growth perfect for containers with great lemon production and good cold tolerance.

Citrus limon 'Lisbon' has vigorous, compact growth, and dense foliage. It produces lemons almost year-round.

Citrus limon 'Lisbon' has vigorous, compact growth, and dense foliage. It produces lemons almost year-round.

Citrus limon 'Santa Teresa' is highly productive with medium sized fruit with a high acid content perfect for making limoncello.

Citrus limon 'Variegated Pink Eureka' combines attractive variegated foliage and fruit, the fruit with pink flesh.

Citrus limon 'Variegated Pink Eureka' combines attractive variegated foliage and fruit, the fruit with pink flesh.

Citrus limon 'Villafranca' has classic, tart lemon flavour.

Citrus limon x reticulata 'New Zealand Lemonade' has fruit sweet like oranges but with a lemon flavour like lemonade.

Citrus x pyriformis 'Ponderosa' is a hybrid between a lemon and a citron from 1887. It is a great collector's citrus.

Citrus hystrix is the makrut or thai lime. It produces good crops of small, fragrant fruits. The leaves are widely used in cooking.

Citrus hystrix is the makrut or thai lime. It produces good crops of small, fragrant fruits. The leaves are widely used in cooking.

Citrus junos 'Yuzu' is prized in Japan as a flavouring for sauces and desserts and to make marmalades and preserves.

Citrus junos 'Yuzu' is prized in Japan as a flavouring for sauces and desserts and to make marmalades and preserves.

Citrus junos 'Yuzu' is prized in Japan as a flavouring for sauces and desserts and to make marmalades and preserves.

Citrus limettioides produces abundant, greenish-yellow and very juicy fruits with an exceptionally sweet flavour.

Citrus limettioides produces abundant, greenish-yellow and very juicy fruits with an exceptionally sweet flavour.