It probably wouldn't happen every year, but eventually, your Phals should
grow to the point where they become difficult to handle in 6" pots. You can
delay that to some extent with watering -- a bigger plant generally needs to
be watered more often than a smaller plant in the same size pot.

I prefer not to "prune" healthy roots, but sometimes a plant has such an
overabundance that it can afford to lose a few, if that's what it takes to
get it into the pot size you want it to fit into. On that note, I prefer
not to stuff aerial roots into the next pot to get them into medium. I
don't mind them "hanging out." Kenni


"Jane" wrote in message
...
I have seven phals. They have all been repotted once. Most are in 6"
pots. They are doing very well and have bloomed either two or three
times.

Question: is it necessary to constantly repot them as the roots fill
the pot? I just don't have room for larger pots and I wondered what I
could expect if I leave them in these pots permanently. Some have
long roots growing over the top of their pot.

I do change the potting medium every time they finish blooming.

Thanks

Jane