My mom liked my plants from the get-go. She didn't mind seeing them peppered around my room, and she had a habit of smelling the fragrant blooms whenever she could. My younger sister was neutral; she neither disliked nor loved my plants (although she was interested in the ones with weird shapes). As for my dad, well, he's never really approved of the hobby. He'd rather I fix car motors for a hobby, and at one point, he threatened to destroy my plants because he disliked seeing his son grow flowers. Of course, I ignored him, and I bought more plants.
My mom helped me a lot with the hobby. She took care of my plants when I couldn't, and bought me a lot of the necessary supplies whenever possible. Nowadays, whenever she calls to say hi, she asks me which of my plants is in bloom. I'd send her pictures, but I don't have a camera.