Cattleya Flower Sheaths Wither - Why ?
I am having a problem lately with new flower sheaths on my cattleyas
withering before they can develop. They turn yellow and papery and
they're done. What would cause this ? I fertilize weekly (weakly) and
water twice a week. They are kept in my basement at suitable cattleya
temperatures under 400 watt HID lights. Any suggestions, anyone ?
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