Exacum affine will grow in USDA zone 10a (RHS HH, EGF G1, Australia 4). What's my zone?
This Arabian violet will grow best in three or more hours of direct sunlight every day.
Exacum affine will grow best in average soil moisture. It will perform best in soil that does not get too dry or too wet.
Exacum affine will perform better in loam.