Re: SPEC: i. setosa seeds not germinating


On Sun, 15 Mar 1998, Andrew Wheeler wrote:

> I have really good luck with I setosa seeds germinating very quickly,
> but I usually keep them in a fridge for a long time. (Sept-Jan) I think
> I read somewhere that they need only 40 or so days of cold.  My seeds
> germinated well this year after being in the fridge for about three
> months and then planted in the greenhouse here at school at a constant
> 80 F.  I think your problem might be cold related. For my personal
> interest, can you tell me what kind of info walmart provided with the
> seeds? Andrew Wheeler
> Dennis Kramb wrote:
> > I planted some i. setosa seeds (that I bought at Wal-Mart) 28 days ago
> > and they have not germinated.  The packet says they will germinate in
> > 18-21 days.  They are inside my house (70'F) in a container with some
> > general all-purpose potting soil.  I've kept the soil very wet since
> > planting them. Why haven't they sprouted?
I germinated I setosa seeds last year but I put them in the fridge
with diurnal cycling (in the fridge over night and out of the
fridge during the day) for 5 weeks before they started germinating.
The SIGNA seed germinating instructions say a minimum of 3 weeks in
the fridge is required for any iris seeds. 


Diana Louis <dlouis@dynamicro.on.ca> <- private email address
Zone 4/5 Newmarket, Ontario, Canada 
AIS, CIS, SIGNA, IRIS-L, Canadian Wildflower Soc.

URL for the North American Native Irises web page
http://molly.hsc.unt.edu/~rbarton/Iris/NANI.html



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