I suspect that I may draw some comments from the fairer sex with this
suggestion, but I find that if I'm misting with RO water there is no residue
on the surfaces I'm misting. I therefore don't worry much if some mist lands
on a wall, carpet, glass or Formica type surface. You don't want it on a
dirty surface (could make mud etc.) or on a surface that shouldn't get wet
i.e. wood floors. If you have fertilizer in the water it probably has dyes
in it so forget the forgoing when feeding your plants. Too much water could
cause a mold problem if on carpets so some moderation should be kept in mind
as well as a tray under the roots to catch drips.

Bob


"Rob Halgren" wrote in message
...
caparazon wrote:
I have a Vanda, wich is a hybrid I bought at a plants shop, intended for
room placement. The roots are on the air, sice the plant is only
suspended on a basket. My question is, how often should I spray the
roots, bearing in mind that my room meets sufficient light conditions
(a little morning sun), the temperature runs from 53 to 68 F, and the
normal humidity from 50% to 65%?


As often as you can, probably. You can't really over water a plant which
doesn't have any potting medium. When you do water, make sure the roots
turn an even shade of green - that indicates that they are holding as much
water as they can. And don't forget to fertilize. Vandas are pretty
heavy feeders.

In the summer you may need to water twice a day depending on how hot it is
and how much light you are getting. In the winter, maybe every other day
is good. 53 is probably on the low side for a Vanda, try to find the
warmest spot in the room. I wouldn't want to get much below 60 for most
Vandas.

Rob


--
Rob's Rules: http://www.msu.edu/~halgren
1) There is always room for one more orchid
2) There is always room for two more orchids
2a) See rule 1
3) When one has insufficient credit to obtain more
orchids, obtain more credit

LittlefrogFarm - Growing the plants Rob likes. )