How many letters does the top answer for “a hardy cabbage with coarse curly leaves that do not form a head” have?

The most common answer is borecole (8 letters).

Crossword clue: a hardy cabbage with coarse curly leaves that do not form a head

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

borecole 8 letters wn-def

a hardy cabbage with coarse curly leaves that do not form a head

colewort 8 letters wn-def

a hardy cabbage with coarse curly leaves that do not form a head