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browning sarracenia

Monique Reed monique at mail.bio.tamu.edu
Thu Jun 28 17:33:01 EST 2001

Sarracenia also like to have a dormancy period.  Under year-round
growth conditions, they eventually decline and die. Sundews and
Nepenthes are essentially tropical in "behavior" and don't mind
growth-promoting conditions all year long.  If you don't mind growing
pitcher plants as replaceable perennials, check water quality,
temperature (how hot does it get inside your terrarium?), potential
overwatering (they like moisture, but roots need air), etc.  I have my
Sarracenia planted in a sealed terrarium (not in a separate pot) and I
never have to water at all.

M. Reed

Andrew Dalton wrote:
> "Bill" <wmf521 at hotmail.com> wrote in message
> news:zHyY6.134$B5.4516 at news.uchicago.edu...
> > I have a purpea sarracenia and a sarracenia flava.  Kept in a terrarium
> with
> > the following
> > specifications:
> >
> > -10 gallon
> > -1 15 watt flourescent grow light (14 hour photoperiod) with relatively
> > direct sun from window sill
> Those single-tube fluorescent aquarium hoods are pretty dim.  But since your
> other plants are growing, they must be getting enough sunlight to make up
> for it.
> > -watered overhead daily, while sitting in 1/2" water
> > -80-100% humidity at all times
> This might be the problem.  Remember that Sarracenia species are native to
> North America, where high temperatures and super-high humidity almost never
> go together.  Even on a hot humid day (100 deg. F, with dewpoints above 70
> deg. F), the relative humidity will be much less than 80%.
> > -terrarium cover removed 30 minutes daily for air circulation.
> > -75-90 degrees f. during day, cooler at night
> > Sundew, lowland nepenthes, butterwort, etc.... seem to be fine, but my
> > sarracenia (American pitcher
> > plant) keeps growing pitchers with brown tops.
> >
> > Any suggestions/advice are welcome.
> You probably already know this, but make sure that you're using pure water
> (rain water, distilled, or reverse osmosis).  In any event, I would take
> both of the Sarracenia species out of the terrarium and put them in direct
> sunlight on the windowsill or outside.  I keep a Sarracenia flava and S.
> purpurea on my porch in Urbana, Illinois, and they are growing well.

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