Jasminum is the Latinized form of the Persian name, yasmin. And multipartitum is Latin meaning 'with many parts or compartments'.
These are tropical, sub-tropical and hardy, deciduous and evergreen shrubs or climbing plants. They mainly produce yellow or white, often very fragrant flowers. They grow wild in Asia and other various regions.
Used traditionally as a love charm and to make a herbal tea, fragrance baths and pot-pourri, the genus is important for its horticultural value as lovely well-known ornamentals and popular garden plants. Sprigs of this jasmine are delightful in flower arrangements as the buds will still open after they are picked and their scent pervades the house.The well-known perfume associated with jasmine is extracted from a species native to Iran, Jasminum officinale.
Grand Duke of Tuscany Origin: Iran. A slow growing Jasmine but grandest of them all, with the largest flowers. Up to 1.5" double flowers look like miniature roses. This tall growing shrub has Gardenia type flowers. The older plants seem to be more fascinating in providing flowers of different shapes and sizes on the same plant at the same time. A flower stays for a long time (few days) and doesn't drop off and in most cases will dry right on the plant. Same sweet fragrance of Maid of Orleans but stronger. This bushy compact plant needs a little more special attention than other Jasmines.
Belle of India. Origin: India. Another beautiful and unusual species in the J. Sambac family. With it's long slender oval shape buds one cannot but admire the flowers when open. Sweet fragrance and double pure white 1" flower makes this jasmine a pleasure to grow. The flower is used in teas and religious ceremonies. This plant needs higher temperatures and light level to perform. Requires frequent pruning for denser shape. Intermediate shape between vine and shrub.
Maid Of Orleans. The most popular of all the jasmines in the world has round white extremely fragrant single flowers which are borne in profusion. It flowers from the tips, every 30-40 days, depending on the temperature.The hotter the better. The flowers drop off within 24 hours and are replaced with more the next day. This variety is used for making Hawaiian flower leis. It's picked as buds, and sown into high priced leis. Loves full drenching of water after the soil is little on the dry side. You will discover that the clarity and sweetness of fragrance of this jasmine is unrivaled. This bushy compact plant does particularly well on windowsills, but requres frequest pruning to kepp shape. The easiest variety to grow.
Mysore Mulli is a ver close relative of Belle of India. It has slightly shorter patals than other Belle ('Elongata'). This variety is the most reliable bloomer of all sambacs. Although pale green, sometimes yellowish leaves are not the best part of the plant, the flowers are the most profuse and very strongly perfumed. It blooms practically year around, providing warm and bright light conditions.
Arabian Nights (Arabian Knights) is very close to Maid of Olreans, but the flowers are double, although not as large size as those of Grand Duke.
Malichat (Mali Chat) - is a rare hybrid, cultivated in Thailand. Flowers are multi-leveled (see picture), smaller size (1/2 inch), but very fragrant as all sambacs. In Thailand, this is the most popular variety for flower leis due to its flower shape, convenient for making garland.
Light: Jasmine needs plenty of light to bloom. Give it bright light with some direct sun.
Water: Keep soil lightly moist in summer and fall. When the plant is resting - from late winter through spring - allow the surface of the soil to dry out between waterings.
Temperature: Give jasmine cool temperatures (40-60°F/4-16°C) for 6 weeks in fall to set buds. The rest of the year, average to warm temperatures (60-75°F/16-24°C).
Fertilizer: Feed every 2 weeks with a high-phosphorus liquid fertilizer diluted by half. Don't fertilize in spring after the flowers fade, while the plant is resting.
Jasmine is usually fairly trouble-free, but can occasionally suffer from aphids. Glasshouse specimens sometimes suffer from mealybug and glasshouse red spider mite.