How To Use Progressive Web App aka PWA On 420 Magazine Forum
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Why do you need to disturb the plants during darkness. I would suggest doing all maintenance and checking during daylight hours and letting the plants be when sleeping.
If you absolutely must use a light during the dark period, a 550nm green is supposed to be ideal and not disturb the plants however I have seen studies that even green light will invoke certain effects within the plant. Best to leave them sleep.
MY GUESS AND MY REASON WAS, night time is easiest way to find inchworms, its hard to see green worms w a green light, wasn't much use to me.