Originally Posted by Liz
I think it depends on the quality of the sphag moss. If you but it in some very cheap moss, you may be looking at every 4-6 months , which isn't to good to disturb the plants(I've had cheap stuff decay on the faster side. However, if it is high quality New Zealand moss(very high$$ but worth it in my opinion), you can keep in in the same moss for a year , maybe a little longer. Which isn't to bad because alot of orchids need to be repotted 1 time every year .