Osmanthus fragrans Seeds | Tea Flowers Gui Hua Tea
LATIN NAME: Osmanthus fragrans
COMMON NAME: Sweet Osmanthus, Fragrant Olive, Gui Hua
Plant Profile
Sweet Osmanthus (Osmanthus fragrans) grows as a dense, evergreen shrub in the olive family, native to warm hills of eastern Asia, while it is grown for its fragrance, its glossy foliage. Sweet osmanthus is one of the most fragrant of the shrubs of the warm gardens, and its tiny flowers fill the autumn air with their rich, apricot-like scent. At maturity it stands about Five metres. Its appeal to pollinating insects adds a second, ecological layer to its ornamental one. Together these qualities explain its long-standing appeal to gardeners.
Science & Biotechnology
Sweet osmanthus is the most fragrant tree of the Chinese autumn, its tiny orange or ivory blossoms perfuming whole neighbourhoods and flavouring teas, wines and osmanthus jam. The flower’s aroma chemistry — ionones derived from carotenoid breakdown, with linalool and terpinen-4-ol — is well characterised, and its polyphenols show antioxidant and anti-inflammatory activity in laboratory studies. In Chinese tradition the flowers are a gentle household remedy for cough and bad breath. A single plant in bloom repays decades of patience in one September week.
Seed science, comparative botany and horticultural selection all touch on Osmanthus fragrans, a representative of the olive family with clear practical value. Sweet osmanthus has a genuine and distinguished place in both chemical and horticultural research. Nothing exotic is required: standard seed-sowing practice, done carefully, is enough.
Uses & Benefits
In the garden, Sweet Osmanthus earns its place in borders, containers and mixed plantings, and it also rewards growers who raise plants for cutting, drying or kitchen use. Ecologically, sweet osmanthus is a generous tree of autumn garden. Its economic value is real and historic. For a grower, sweet osmanthus is a rewarding and historic tree, and for a gardener it brings glossy foliage and a cloud of autumn fragrance. Once it has its roots down, it more or less looks after itself.
Osmanthus flowers, Gui Hua, perfume autumn with apricot-honey scent and are dried for teas, wines and sweets across China; the fragrance is a beloved aromatherapy material.
Growing from Seed
Sweet Osmanthus is one of those generous plants that come along well from seed. Sow the seeds evenly over the surface and cover lightly in a loose, well-drained seed compost, keep the sowing evenly moist, and give the pot or tray bright light. Shift the seedlings into small pots as soon as they can be handled, and give them bright light until planting-out time.
Our Take
Sweet Osmanthus repays a little patience at sowing time with plenty of garden presence later.
Related Reading
More species in the same orbit as Sweet Osmanthus: