earth up

(redirected from earth something up)

earth up

To pile soil around the base of a plant in order to promote growth. A noun or pronoun can be used between "earth" and "up." You have to earth up your potatoes, as exposure of the tubers to sunlight can cause them to become toxic.
See also: earth, up
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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