green thumb

American  

noun

1. an exceptional aptitude for gardening or for growing plants successfully.

   Houseplants provide much pleasure for the city dweller with a green thumb.

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green thumb British  

noun

1. Also called (in Britain and certain other countries): green fingers.  considerable talent or ability to grow plants

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green thumb Cultural  

1. A knack for growing plants and keeping them healthy: “All my houseplants are in sorry shape; it's clear I don't have a green thumb.”

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green thumb Idioms  

1. A knack for making plants grow well, as in Just look at Louise's plants—she really has a green thumb. This term presumably alludes to the stained fingers of an avid gardener. [First half of 1900s]

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Other Word Forms

• green-thumbed adjective
• green-thumber noun

Etymology

Origin of green thumb

First recorded in 1940–45

Example Sentences

Freddy Escobar stood on the sidewalk outside his former workplace waving a green thumb drive and a stack of papers that he said would clear his name.

From Los Angeles Times • May 9, 2025

But my green thumb ached as workers sawed down the tree, took away everything — trunk, twigs, leaves, fruit, roots — in biohazard bags and tagged the remaining trees with a bill of clean health.

From Los Angeles Times • Dec. 18, 2024

Gardener-writers helped puncture that belief by dispelling the myth of the green thumb.

From Washington Post • Feb. 22, 2023

Outside of school, Reagan enjoys ceramics, obsessing over Victorian literature, and trying to keep her plants alive, although her succulents are proof that she may not have a green thumb.

From Seattle Times • Jan. 8, 2023

When I was little, Papa used to tell me that instead of a green thumb, Tūtū had a green ear.

From "Clairboyance" by Kristiana Kahakauwila