What you will find
This site brings together information on cold-hardy citrus: origin, tree and fruit characteristics, cold hardiness, rootstock and growing advice.
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The Living Encyclopedia
Oranges
Citrus sinensis
The orange tree is the emblematic tree of Mediterranean orchards, a majestic plant with a naturally rounded habit and intense emerald green foliage. Its evergreen, leathery leaves give off a subtle scent when crushed, but it is during its spring…
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Lemons
Citrus limon
The lemon tree is an elegant tree with a spreading, open habit, whose irregular silhouette brings an instant Mediterranean touch to any garden. Unlike many other citrus, it is often “everbearing,” flowering and fruiting several times a year, which lets…
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Mandarins
Citrus reticulata
The mandarin tree is a small tree with a rounded, bushy habit, whose supple, graceful branches are adorned with narrow, bright, glossy green leaves. Its spring bloom, made up of small white flowers with a delicate, sweet fragrance, gives way…
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Clementines
Citrus clementina
The clementine tree is a small tree with a rounded dome and dense foliage, whose bright green, lance-shaped leaves stay evergreen all year. From spring on, it perfumes the garden with a sweet fragrance from its small, waxy white flowers,…
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Grapefruits and pummelos
Citrus paradisi
The grapefruit, the one we usually eat at breakfast, is a vigorous tree with a wide, rounded habit and dense, glossy, deep green foliage. Its large, very fragrant white flowers bloom in clusters (hence the name grapefruit), giving way to…
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