Originally Posted by Leslie (Post 794426)

Hmmm I use four of the 4 ft T5 over my lueddemanianas, 12 inches above leaves. Perhaps you will need more bulbs during winter. Also warmer nights than other catts, at 68-72F in winter.

Summer growths usually do not sheath or bloom. Most lueddemanianas bloom on winter growths in early March/April.

Hope this helps?


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Originally Posted by silken (Post 794423)

I have a number of recently mature new growths that I htink grew over summer and finished off over winter. They are all spotted but no sheaths. It sits directly under 2 4 ft. HO T5 lamps in winter for about 12 hours/ day and under 50% shade cloth in same greenhouse in summer. Quite a bit of light I think. I need to check but I think there are some very small new growths just starting from those growths that matured over winter. The first time it bloomed it was hanging outside from a cherry tree most of the summer, likely getting less light than it does now! Then it bloomed in Aug. It's supposed to be a fairly easy to grow and bloom Catt. species!

Originally Posted by isurus79 (Post 794444)

You might want to give your winter plants shorter days. Try turning it down to 9 or 10 hour days in winter so you get that defined seasonality that some species need.