Coast tarweed is a sticky, strongly scented annual daisy-family herb native to western North and South America, grown historically for its seed oil. It thrives in sunny, open, well-drained ground and is grown mainly as a wildflower or oilseed curiosity.
Family
Asteraceae (Daisy family)
Light
Full sun
Water
Water lightly while establishing, then let the soil dry between waterings; it tolerates drought.
Soil
Poor to average, well-drained soil; sandy or loamy ground is fine.
Temperature
10–30 °C; tolerates cool coastal conditions and light frost.
How easy
Easy
Native range
W. Canada to W. U.S.A., S. South America
Climate
temperate
About
Madia sativa, known by the common names coast tarweed and Chilean tarweed, is a species of flowering plant in the family Asteraceae found in parts of western North and South America.
Where it grows
Madia sativa is native to the Americas, where it is distributed in two main areas:
Text excerpted from the Wikipedia article Madia sativa 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.