Wiktionary
n. Someone who does landscape gardening.
WordNet
n. someone who arranges features of the landscape or garden attractively [syn: landscape architect, landscaper, landscapist]
Usage examples of "landscape gardener".
They had been laid out, and a truer phrase was never used, by the renowned or at least notorious landscape gardener and all round inventor 'Bloody Stupid' Johnson, whose absent-mindedness and blindness to elementary mathematics made every step a walk with danger.
Schonbrunn had been entertaining her Polish landscape gardener that evening.
Kate had at first supposed that a landscape gardener had been employed to lay out the gardens, and to open prospects in the most felicitous way imaginable, but Lady Broome, laughing such a notion to scorn, had assured her that she had planned the whole, and had seen it carried out under her direction.