See 1792.

1

1788.  Saw garget, sow-thistle, etc.—M. Cutler, ‘Life,’ &c. (1888), i. 422. (N.E.D.)

2

1792.  The Garget (phytolacca decandra) is a valuable plant. Its berries yield a beautiful purple juice, which might be used in dying.—Jeremy Belknap, ‘New Hampshire,’ iii. 125.

3

1826.  The root, commonly called Garget, will kill horses, when only a small quantity is eaten.—Mass. Spy, June 7.

4

1826.  Unless what B. Tabor calls garget is very different from the vegetable bearing [that] name with us, it is very improbable that it would produce any serious effects.—Id., July 26.

5