花か卉き栽さい培ばい家か

Meanings

1

noun

floriculturist

A person who cultivates flowers professionally or as a serious hobby.

cultivate, foster

家house, home, family

花か卉き園えん芸げい
花卉園芸 is floriculture (the field or practice), while 花卉栽培家 is the person who practices it.
園えん芸げい家か
園芸家 is a broader term for a horticulturist, not limited to flowers.

Compound of 花卉 (flowers) + 栽培 (cultivation) + 家 (person who does something).