We sort of figured out growing practices that make radicchio work really well. We're like, wow, this is a thing that really grows well for us.

There is a third method of radicchio cultivation, the forced growing technique, where the plants are harvested with their roots intact and moved to an area that adds heat and blocks out light.

Colombo is describing a Variegato di Chioggia, one of the more than 25 varieties of radicchio she and husband Brian Shipman are growing on their farm in Troutdale, Oregon.

While often mistaken for cabbage or lettuce, the culprit is actually radicchio, ... The unusual dry growing season of 2022 and extreme wet conditions in 2023 allowed researchers to see how the ...

Credit for this is due in part to the perseverance and vision of Joe Manchini of Watsonville-based J. Marchini Farms, who pioneered commercial radicchio growing in the U.S. in 1989, and of ...