harden off


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harden off

vb
(Horticulture) (adverb) to accustom (a cultivated plant) or (of such a plant) to become accustomed to outdoor conditions by repeated exposure
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

w>harden off

vt sep plantswiderstandsfähig machen
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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References in periodicals archive ?
| HARDEN off outdoor tomatoes and courgettes for planting out next month.
A good place to harden off seedlings is in a somewhat sheltered spot outdoors, such as in a cold frame (basically an open-bottomed box with a clear, removable cover) or near a wall in dappled shade.
I would recommend you gradually harden off the rose.
"We usually get pretty cold nights, and we like the vines to harden off as much as possible in winter, to give them rest and help them grow stronger," he said.
Harden off plants raised from seed and cuttings - get them acclimatised by leaving them in a sheltered spot outside during the daytime.
. Harden off aubergines, courgettes, peppers, pumpkins and tomatoes grown from seed before planting outside.