The open plant encyclopedia
Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.
The plants people record most in your country, and ones that grow there wild.
Filter by what you want to do, shape, origin, country, care and safety.
Alyssum montanum
Mountain alison is a low, mat-forming evergreen perennial with grey hairy leaves and small fragrant yellow flowers in spring. It thrives in full sun and sharp drainage, and is best kept on dry, lean soil.
Alyssum montanum is a species of flowering plant belonging to the family Brassicaceae. It is an evergreen, prostrate perennial with small, hairy, greyish leaves. It typically grows to 10-15 centimeters tall and 30-45 centimeters across. It produces tiny, yellow, fragrant flowers from May to July. These flowers are typically 4-6 centimeters across and borne in dense racemes.
It is native to France, Switzerland, and Germany. It grows best in full sun with good drainage, and is drought tolerant once established. It is suitable for USDA hardiness zones 3–9, but may be susceptible to aphids and root rot.
Pale madwort · Desert madwort · Alyssum wulfenianum · Madwort
Text excerpted from the Wikipedia article Alyssum montanum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
Pet safety from the ASPCA toxic and non-toxic plant lists.
