phytophil
/ˈfaɪtəʊˌfɪl/Definitions
1. noun
a person who has a fondness or love for plants and gardening.
“As a phytophil, she spent most of her free time tending to her garden and nurturing her plants.”
2. noun
an enthusiast of botany and horticulture.
“He was known as a phytophil among his friends and family, who often sought his advice on plant care.”