from The Century Dictionary and Cyclopedia
- n. In horticulture, the process of inuring or habituating a plant to untoward conditions, as to adapt it gradually to cold before removing it from a hotbed or forcing-house.
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This is achieved through the process known as 'hardening-off'.
The primary advantage of planting directly in the garden is that the plants will not be moved, and therefore their growth will not be disturbed by hardening-off (section 8.4.4) or transplanting shock.
We have already mentioned the hardening-off process to which they must be subjected before going into the open ground.