Gardener
A gardener was someone who looked after ornamental plants or engaged in minor agriculture, such as growing herbs or vegetables, typically in a garden.

The Earth movie Appointment with Danger featured a gardener character. In 2153, T'Pol dreamed she was watching the film on movie night on , during which  speculated that an unidentified corpse might be that of this man. However, Doctor Phlox disagreed, saying he was too tall. ()

In 2269, Flint described M-4 as his ", housekeeper, gardener, and guardian." ()

Elim Garak claimed to be a gardener while working at the Cardassian embassy on Romulus, during a period in which several prominent Romulan officials mysteriously died. He also claimed that Edosian orchids were his specialty. ()

Towards the end of the Cardassian Occupation of Bajor, Bareil Antos took a job as a gardener in a monastery. He had no ambitions other than to grow the "loveliest" Feloran bromeliads on Bajor. () 

In an unknown, alternate future timeframe, Geordi La Forge claimed that Leah Brahms was "quite a gardener". ()

Boothby was the groundskeeper at Starfleet Academy and thus did a good deal of gardening. (; )

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de:Gärtner
Victual occupations
Botany