Lavandula angustifolia, formerly L. officinalis, is a flowering plant in the family Lamiaceae, native to the Mediterranean (Spain, France, Italy, Croatia etc.).

It does not grow well in continuously damp soil and may benefit from increased drainage provided by inorganic mulches, such as gravel.

[6] The following cultivars of L. angustifolia and its hybrids have gained the Royal Horticultural Society's Award of Garden Merit:-[7] Compacta, Folgate, Dwarf Blue, Dwarf White, Hidcote Pink, Hidcote Superior, Munstead, Nana Atropurpurea, Nana Rosea, Sarah, Summerland Supreme, Lady Lavender Bowles Early, Hidcote Variety, Loddon Blue, Martha Roderick, Jean Davis, Twickle Purple, Pink Perfume Alba, Backhouse Purple, Biostos, Bridestowe, Graves, Gray Lady, Gwendolyn Anley, Hidcote Giant, Irene Doyle, Mailette, Middachten The flowers and leaves are applied in herbal medicine.

[22] Commercially, the plant is used to produce lavender essential oil used in balms, salves, perfumes, cosmetics, and topical applications.

Lavandula angustifolia is included in the Tasmanian Fire Service's list of low flammability plants, indicating that it is suitable for growing within a building protection zone.