Green thumb
Meaning
A talent for gardening or making plants thrive.
Usage
Used to compliment someone who nurtures plants successfully or has a knack for growth.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Possibly from the green stains left on gardeners’ thumbs, indicating horticultural skill.
Tracing to early 20th-century North American gardening columns and later lifestyle magazines.