Deadheader

Instead, she is a weeder, actually for enjoyment ("That's when I get some of my best thinking done"), a keen harvester of flowers for the house, and a merciless deadheader of perennials in the autumn.

Source: wiktionary

Take care if deadheading in the evening when the flowers have just folded down as bees seem to enjoy resting in them at this time and may give the deadheader a stinging surprise.

Source: wiktionary

I'm just the deadheader of roses and pansies—a very lowly assistant gardener.

Source: wiktionary

There's company rules against riders. I told him tonight he's gonna have a deadheader; all he wanted to know was you gonna have coffee money.

Source: wiktionary