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Woolly distaff thistle

Carthamus lanatus

Also called Downy Safflower, Saffron Thistle, Woolly Safflower, Woolly Star Thistle, Distaff Thistle, Woolly Thistle, Yellow Star Thistle

Woolly distaff thistle
Photo: No machine-readable author provided. Bogdan assumed (based on copyright claims)., CC BY-SA 3.0

Carthamus lanatus is an annual thistle from the Mediterranean, closely related to safflower, and is a noxious weed in parts of North America and southern Australia. It is a spiny, woolly plant that grows well in full sun and dry, open ground.

Family
Asteraceae (Daisy family)
Grows as
Annual
Light
Full sun
Water
Water sparingly; it tolerates drought once established and needs little irrigation.
Soil
Well-drained, poor to average soil; tolerates lean and dry ground.
Temperature
Warm to hot summers; grows best in Mediterranean-type climates, frost-tender.
How easy
Easy

About

Carthamus lanatus is a species of thistle known as woolly distaff thistle, downy safflower or saffron thistle. It is closely related to safflower (Carthamus tinctorius). This annual plant is a native of the Mediterranean Basin, but it is familiar in other places where it was introduced and has become a noxious weed, such as in parts of North America and southern Australia with similar climates.

Other Carthamus plants

Safflower

Text excerpted from the Wikipedia article Carthamus lanatus 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.

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