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Poncirus trifoliata

Poncirus trifoliata is a member of the Rutaceae family of plants. It is native to China and Korea. This shrub has deciduous leaves, and it is cold-hardy. Poncirus trifoliata can grow to 7m or 23ft tall.

Poncirus trifoliata
Poncirus trifoliata

They also call it the Trifoliate Orange, Japanse Bitter Orange, Hardy Orange, Chinese Bitter Orange, Citrus trifoliate, Aegle sepiaria, Bilacus trifoliata, Citrus trifolia, Citrus triptera, or Pseduaegle sepiaria.

Poncirus trifoliata is thorny. The leaves are deciduous and are in three leaflets form. They are fragrant when crushed. The flowers are white and the stamens are pinkish. They are fragrant but much milder than citrus. Poncirus trifoliata flowers in spring or early summer.

Poncirus trifoliata
Poncirus trifoliata

It grows green fruits after flowering that ripen to yellow. They are smaller in size about 4cm or 2in diameter and have a fuzzy surface. The fruits produce a lot of seeds. Poncirus trifoliata is used as a rootstock for citrus plants as any grafts on this plant are hardier than the regular citruses. The fruit is bitter and contains poncirin. Usually, humans consume it as a condiment or marmalade. Poncirus trifoliata is used in traditional medicine in Asia.

How to grow Poncirus trifoliata:

Grow Poncirus trifoliata in the sun. Shelter it from dry winds. Plant it in humus-rich, fertile, and well-drained soil. Propagate from seed or semi-ripe cuttings. It is generally disease-free and pest-free.

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I am a flower enthusiast and a gardener at heart. Ever since childhood I loved reading about plants and started gardening at an early age. First by helping my father in the garden and later managing a large garden myself in my teen years. I planted and cared for a large number of plants, flowers, and trees both outdoors and in a greenhouse. To this day I enjoy visiting gardens and parks and learning about new and old specimens and varieties of plants.

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