As nouns the difference between botany and horticulturist
is that botany
is (uncountable) the scientific study of plants, a branch of biology typically those disciplines that involve the whole plant while horticulturist
is a gardener; a person interested or practising horticulture.
(uncountable) The scientific study of plants, a branch of biology. Typically those disciplines that involve the whole plant.
The plant life, or the properties and life phenomena exhibited by a plant, plant type, or plant group.
(countable) A botanical treatise or study, especially of a particular system of botany or that of a particular place.
* Botany Bay
A gardener; a person interested or practising horticulture.