How many letters does the top answer for “the cultivation of flowering plants” have?

The most common answer is floriculture (12 letters).

Crossword clue: the cultivation of flowering plants

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

floriculture 12 letters wn-def

the cultivation of flowering plants

pertaining to the cultivation of flowering plants. 75% similar → floricultural

the cultivation of plants 67% similar → gardening, horticulture

of or relating to the cultivation of plants 50% similar → horticultural