RNCollins
Well-Known Member
Hi! This is my first winter growing under lights. I have HO T5's. I know that when my Phals turn purple they are getting close to their limit of maximum light. How do I tell when my Paphs are getting too much light?
Pretty fancy looking stand, Carol!
In addition to the intensity, I recently learned that plants can experience a bit of stress by moving from natural to constant lighting. The photosynthetic system which is accustomed to gradual increase in the light in the morning need to be adjusted a little bit to the sudden wake up of artificial light. It's not a big deal because most plants seem to acclimate to the new lighting environment after a couple weeks. But I sometime see that some (not all) plants take longer to get them going after purchase, and I think this might be a part of the reason (in addition to other environmental acclimation).
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