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Sisymbrium altissimum
Also called Tall rocket, Tumble Mustard, Jim Hill Mustard, Tall Hedge Mustard, Tall Mustard, Tumbleweed, Tumbling Mustard
Tall tumblemustard is an annual weedy mustard that grows up to 1.5 m, then dies, uproots and rolls as a tumbleweed to spread its seed. It is a common weed of disturbed ground and is grown as a salad or wasabi-style green rather than as an ornamental.
Sisymbrium altissimum is a species of Sisymbrium. The plant is native to the western part of the Mediterranean Basin and is widely naturalized throughout most of the world, including all of North America. After maturity it forms a tumbleweed. Common names of the plant include Jim Hill mustard, tall tumblemustard, tall mustard, tumble mustard, tumbleweed mustard, tall sisymbrium, and tall hedge mustard.
The plant is native to the western part of the Mediterranean Basin in Europe and Northern Africa and is widely naturalized throughout most of the world, including all of North America. It was probably introduced into North America as a contaminant of seed crops.
The leaves are spicy enough to make wasabi but can also be mixed into salads and other dishes.
London rocket · Flax Leaved Plains Mustard · Small tumbleweed mustard · Hedgemustard · Indian hedgemustard
Text excerpted from the Wikipedia article Sisymbrium altissimum 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.
