Description/Taste. Radicchio resembles a petite head of red cabbage producing variegated dark, burgundy leaves with contrasting white ribs. Growing from orange to grapefruit size and easy to peel, the smooth, crisp leaves offer a bitter flavor with a hint of spice.Is radicchio cabbage or lettuce?
Radicchio is a much-misunderstood vegetable. It is not a lettuce, not a cabbage (sometimes it is confused with red cabbage), but rather a form of slightly-bitter, slightly-spicy chicory, related to Belgian endive.When is radicchio in season?
In Season: Radicchio's peak season lasts from January to April, although most specialty grocers carry it year-round. What to Look For: This member of the chicory family comes in several varieties, with two types being most widely available in the United States: Treviso and Verona.When to plant radicchio?
WHEN TO GROW. Radicchio is a perennial that will come back year after year once established in your garden. Grow radicchio during the cooler parts of the growing season. Plant in the early spring, about 4 weeks prior to the last frost or as soon as the soil can be worked. Fall crops grow well too.