Hardy Orange (Poncirus trifoliata) is a large shrub that is famous for its sharp thorns and sour citrus fruits. It makes an excellent hedge and should be placed away from any high traffic areas in your landscape.
It is hardy to zones 4 to 9 and originates in China. The leaves fall off in autumn and reveal a dramatic interior of spiny, dark-green stems.
Hardy Orange prefers a full-sun location, but it can take some shade. It also prefers acidic, well-draining soils. It can grow to 15 feet high and wide. Once established, it is drought-tolerant.
The small fruits ripen in fall and are full of seeds and the juice is lemon-like. It can be used to make a marmalade, but is generally treated more as an ornamental fruit than an edible one.
The ‘Flying Dragon’ cultivar has beautiful twisting branches and is available by mail order or at local independent garden centers.
Prune it carefully, when needed, by wearing thick leather gloves and eye protection. You can take stem cuttings to propagate it or try your luck at planting the seeds.
Hardy Orange: You Can Grow That!
The video was produced by Washington Gardener Magazine.
Audio and Text by Kathy Jentz
Video and Editing by Melinda Thompson
Additional Video Footage by Charlotte Benedetto and Kathy Jentz
Partially filmed at the US National Arboretum’s Asian Collection.
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