How do I get Dendrobioum blooming?

[Hans-Jo?rg Baur]

Hello,

we habe 2 dendrobium orchids that grow well, but do not bloom. I read that a dicrease in temperature of about 5 degree will get them blooming, but taht die not work. They are on a east side windows sill.

Any Ideas?

[Hans-Jo?rg Baur]

Thanks, sounds good, I'll try something similar. Hans-Jörg