Where do brussels sprouts come from? when was it brought to america and how?

Ancient Rome. Brussels sprouts as they are now known were grown possibly as early as the 13th century in what is now Belgium. The first written reference dates to 1587.

The Brussels sprout is a member of the Gemmifera Group of cabbages (Brassica oleracea), ...Brussels sprouts grow in temperature ranges of 7–24 °C (45–75 °F), with ... In the home garden, harvest can be delayed as quality does not suffer from ... American varieties are generally 2.5–5 cm (0.98–1.97 in) in diameter.