Help with Calathea plant

[Cereoid*]

You say "Browning round the edges usually indicates root problems"?

Its not the obvious result of a too dry atmosphere and/or under watering?

They must be doing something wrong at the National Conservatory in spite of
the plants flourishing in a humid greenhouse.


Monique Reed <monique at mail.bio.tamu.edu> wrote in message
news:3C3328A5.BD98AB95 at mail.bio.tamu.edu...
> Browning round the edges usually indicates root problems--either you
> are overwatering, over-fertilizing and burning the roots, or you have
> salt accumulation in the soil caused by not letting the water run
> freely when you do water.  Or, perhaps, your tap water is just to
> salty; many houseplants are notoriously salt-sensitive, and IIRC,
> Calathea is one of them.  Try distilled or deionized water.  Nothing
> will revive the leaves already toasted, but you may be able to rescue
> the plant.
>
> M. Reed
>
> lookingforit wrote:
> >
> > I have a sick plant. It came from a friend months ago, and for the last
10
> > or so weeks, has lost it's zip.
> > The leaves are turning brown at theoutside edges and no new leaves are
> > growing. I repotted it four
> > weeks ago, using potting soil and a six-inch pot. I loosened the
rootball. I
> > water it every other day and
> > I am using plant foor spikes according to the directions. It's not
improving
> > and not getting measurably worse.
> >
> > This plant was a gift to mark the death of my dog, so I'd like to keep
it
> > alive. Any suggestions or comments?
> > Much appreciated. Thank you.
> >
> > When replying, please reply to lookingforit at bigfoot.com . Thank you.