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Alyssum wulfenianum

Alyssum wulfenianum
Photo: Salicyna, CC BY-SA 4.0

Alyssum wulfenianum is a low, mat-forming subshrub from the southeastern Alps, grown for its bright yellow spring to summer flowers. The key to growing it is sharp drainage and dry, porous soil.

Family
Brassicaceae (Cabbage family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly and let the soil dry out between waterings; avoid soggy roots.
Soil
Dry, porous, gritty or rocky free-draining mix.
Temperature
Hardy to USDA zones 4 to 9, tolerating cold winters; avoid wet, humid heat.
How easy
Easy
Safety
Not toxic to cats or dogs (ASPCA).
Native range
SE. Alps
Climate
temperate

About

Alyssum wulfenianum, the madwort (a name it shares with some of the other members of its genus), is a species of flowering plant in the family Brassicaceae, native to the southeastern Alps. Preferring dry, porous soils, it is hardy in USDA zones four through nine. There is a cultivar, 'Golden Spring'.

Other Alyssum plants

Pale madwort · Desert madwort · Mountain Alison · Madwort

Text excerpted from the Wikipedia article Alyssum wulfenianum 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.

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