What does "rosarian" mean?

An expert in the cultivation and propagation of roses.

How do you pronounce "rosarian"?

Pronounced //rəʊˈzɛə.ɹi.ən//.

/rəʊˈzɛə.ɹi.ən/ noun

noun ·Rare ·Advanced level

Noun

From rosary (“rose garden”) + -an.