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Jasminum officinale forma grandiflorum (Spanish Jasmine) - This is a semi-deciduous vine that supports itself by twining and can grow to 15 feet tall with arching square stems bearing leaves composed of small leaflets of five or seven. At the branch tips from mid spring into fall are borne the clusters of sweetly fragrant white flowers. The individual flowers, held on unequal-length pedicels, are 3/4 to 1 inch wide and the buds and the undersides of the petals are tinged pink.
Plant in full sun with average watering. It takes temperatures down to about 15 degrees F.
This plant has a wide natural distribution from Rwanda north to Eritrea in northeast Africa, to Arabian Peninsula east to Pakistan and south central China. Jasminum officinale forma grandiflorum is now considered to be a synonym for Jasminum grandiflorum and while some consider it synonymous with the Poet Jasmine, Jasminum officinale forma affine, the hardy Poet's Jasmine is a larger growing plant with smaller flowers that have broader petals and only blooms in the summer. The genus name is a Latinized word that Carl Linnaeus made from the Persian 'yasameen' which means a "gift from God". The specific epithet means large flowers. We grew this plant from 1995 until closing the nursery in 2025.
Information displayed on this page about Jasminum officinale forma grandiflorum is based on our research conducted about this plant in our nursery library as well as from information provided by reliable online resources. We also include our own observations made about it as it has grown in the nursery gardens and other gardens visited, as well how the crops of this plant performed in the containers in our nursery field. We will also include comments received from others and welcome hearing from anyone who has information about this plant, particularly if it includes cultural information aiding others to better grow it.
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