harden off

UK
/ˈhɑːdən ɒf/
US
/ˈhɑrdən ɔf/

Translations

harden offverb
hardened off
Past Simple
hardened off
Past Participle
hardening off
Gerund
UK
/ˈhɑːdən ɒf/
US
/ˈhɑrdən ɔf/
You need to harden off the seedlings before planting them outside.
Вам нужно закалять рассаду перед тем, как высаживать её на улицу.

Definitions

harden offverb
To gradually acclimate a plant to outdoor conditions by exposing it to increasing amounts of sunlight, wind, and temperature variations.
Before planting the seedlings in the garden, she made sure to harden them off by placing them outside for a few hours each day.