harden

(redirected from harden off)
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harden

a rough fabric made from hards
References in periodicals archive ?
2BEGIN to harden off homegrown seedlings by gradually exposing them to garden temperatures.
Later, you can replant the sedums; unwire them, let them harden off for 4-7 days, then place them directly on the soil, where they'll take root.
When a tree is being pruned for shape, such as a Christmas tree, the objective is to throttle back annual limb growth, and the recommendation is to cut short the "candles" of new growth as they start to harden off, but before the new needles are fully formed.
Harden off peppers, aubergines, pumpkins, tomatoes and marrows grown from seed before planting outside.
l Harden off hanging baskets and window boxes ready to put outdoors when the danger of frost is over.
HARDEN off sweet pea seedlings in a cold frame ready for planting out at the end of the month.
9 START to harden off the hardier bedding plants such as antirrhinums.