Quote:
Originally Posted by Cole_Robbie
That is a good article.
LEDs do not contain UV light, which I would think is the most important part of getting them used to real sunlight.
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I agree and that can be an issue for not hardening off. I hate hardening off though, but I try to plant out on cloudy days if possible. I've had white leaf plenty of times, from UV burn but nothing tragic. I don't think I ever lost a plant from not hardening off... they just get ugly for a week or so. The more cloudy days in a row after planting the better. I've done the whole hardening off routine several times and it is just a hassle (I'll usually get them outside once or twice for a few sunny hours the week before planting though)
I also use fans indoors, so that makes them used to some wind (not gusts though).