Answer: Radicchio is the name given to a number of red-leafed chicories grown for salads. 'Rossa de Verona', or 'Rouge de Verone', is the best known. It makes lettuce-like heads that color to a deep rosy red as the weather grows cold in autumn or winter.If your plants didn't form heads, it's possible they were planted in the wrong part of the season. This year, sow seeds in early summer so the plants will mature during the cold weather.
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