# Jim Hill mustard

> English word · Noun

## Definitions
1. Sisymbrium altissimum, a tumbleweed-forming plant native to the Mediterranean region and widely invasive.

## Etymology
Said to have been named after Canadian-American railroad magnate James J. Hill, due to a farmers' tall tale about the seeds having been spread via his railroads.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/jim-hill-mustard