I think we're taking Cymbidiums here...
I disagree about the "no sun past 11 AM". If that were the case, I would have a couple hundred dead Cymbidiums... They do need to acclimate to very bright light... I have, of course, the luxury of growing them outside all year around. But in places where they need to be brought in for the winter, if they go out in the spring as soon as frost is passed, sun angle is still low enough to not toast them while they are acclimating. I have about 40% shadecloth over mine to take the edge off a bit, but because of the yard orientation they get full sun pretty much from half an hour after sunrise to half an hour before sunset in mid-summer, like 13 hours or so. (In fall the sun starts to shift so they get more shade) Leaf color is lime-green. The first couple of years in my house, while I was figuring this out, they had no shade at all and were rather yellow, but still survived and bloomed, they just improved when that very modest amount of shading was added. In an environment where there are trees to provide shade during part of the day so that the number of hours of hot sun is reduced, they can do with no overall shading.
I have some summer bloomers that obviously don't need the fall chill, as well as many of the "normal" ones that do. They get that chill from the normal weather pattern... in years where it stays hot until November, the spring blooms are delayed by about the same number of weeks as the abnormal hot weather sticks around... it does cool off eventually.
Last edited by Roberta; 09-23-2020 at 05:14 PM..
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