Phlomis fruticosa, the Jerusalem sage,[1] is a species of flowering plant in the family Lamiaceae, native to Albania, Croatia, Cyprus, Greece, Italy, Monte Negro and Turkey.

The sage-like, aromatic leaves are oval, 5–10 cm (2-4ins) long, wrinkled, grey-green with white undersides, and covered with fine hairs.

Deep yellow, tubular flowers, 3 cm in length, grow in whorls of 20 in short spikes in summer.

[3] It is popular as an ornamental plant, and has gained the Royal Horticultural Society's Award of Garden Merit.

[4][5] As a garden escape, it has naturalised in parts of South West England.