![Field Mustard (Brassica spp.) Glen Canyon Park, San Francisco, California](https://pro2-bar-s3-cdn-cf1.myportfolio.com/fbbd02b6-06cc-4e42-895d-ac58a73a17cc/29f509ec-45ab-4b99-b1b9-855b220a90a9_rw_1920.jpg?h=ea8914bab7c29d647b84f580455e52ab)
Native to Eurasia, wild mustard is naturalized all over the world and grows freely in the field.
I am closely related to the one in your cooking oil and dinner meal.
While avoid bolting in your vegetable garden, do let me flower freely in the wild.
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Field Mustard (Brassica spp.)
Glen Canyon Park, San Francisco, California
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more images of field mustard
![Field Mustard, Glen Canyon Park](https://pro2-bar-s3-cdn-cf3.myportfolio.com/fbbd02b6-06cc-4e42-895d-ac58a73a17cc/4a2d2f7c-f9a6-48fb-ace1-7a048f88a7f5_rw_1920.jpg?h=cd77f76c7f911f544333aff35f8e4c8f)