Alyssum montanum is a species of flowering plant belonging to the family Brassicaceae.

[2] It is an evergreen, prostrate perennial with small, hairy, greyish leaves.

[4] It produces tiny, yellow, fragrant flowers from May to July.

[2] It grows best in full sun with good drainage, and is drought tolerant once established.

[4] It's suitable for USDA hardiness zones 3–9, but may be susceptible to aphids and root rot.