That is a difficult question to answer, since there are several varieties of radicchio and the sized of the head depends on the variety and what the customer wants. I grow radicchio and I don't let my heads get past 4 ounce in weight. My customers want just a little bit of young radicchio.
Chioggia costs about €3 a kilo in Italy
No, there are no photosynthetic pigments in Radicchio.
300,000
15 lbs
Four kg
Not all broccoli heads weigh the same, as each will weigh according to their growth.
5 grams
it weigh approxamatley 354g
Counting his 300 lb head?
453 grams
550 lbs