Hardening Off Plants

http://www.hotwiredgardens.com/pdf/Working_Mans_Guide_to_Hardening_off_Plants.pdf
Hardening-Off your Plants: Whenever you start plants inside, you will need to harden-off the plants before planting out. Hardening is 10% about acclimating to temperature and 90% about building resistance to the sun’s UV Light. Direct exposure to the sun’s UV will cause the leaves to sunburn and turn white. Plagiarized from the Internet.