1Thomas Jefferson to John H. Cocke, 12 March 1813 (Jefferson Papers)
Th: Jefferson presents his compliments to mr Cocke, whose servant is desired to take as many Broom plants as he pleases, but having never found them to succeed by transplantation, he sends him some seed, which generally succeeds, altho sometimes it does not come up till the second spring.— he sends him also a little seed of the Sprout Kale , a plant he recieved from The National garden of...