How many letters does the top answer for “without flower or bloom and not producing seeds” have?

The most common answer is flowerless (10 letters).

Crossword clue: without flower or bloom and not producing seeds

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

flowerless 10 letters wn-def

without flower or bloom and not producing seeds

nonflowering 12 letters wn-def

without flower or bloom and not producing seeds