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Re: HYB: germination observations


I'm right in the middle of the ice swath, but not Owensboro.   We lost
power for four days.  My phone line stayed up.  We have a fire place, and I've
been expecting this storm for a while now... 

My husband kept calling it 4
inches of ice, but my eyeballs said only about 1 1/2.  But that'll be it this
year for the nasty.  Nice mild spring coming... wet... maybe a bit cool for a


"autmirislvr@aol.com" <autmirislvr@aol.com>
To: iris@hort.net
Sent: Monday,
February 2, 2009 4:58:12 PM
Subject: Re: [iris] HYB: germination observations


Glad to see you're able to post.? I'd heard that
Owensboro was hit pretty hard in the snow/ice/freeze.? Two counties to the
west of me (south central KY) there are still several countries out of school,
power too, I think.? 

Over 10 inches of rain fell?here during the month of
January.? The low water bridge below my house was out for a couple of days.?
Hope the rain continues into the summer!? 

Betty W.
Bridge In Time Irises
Zone 6 

-----Original Message-----
From: christian foster
To: iris@hort.net
Sent: Sun, 1 Feb 2009 10:43 am
Subject: Re: [iris] HYB: germination observations


Thanks for that
comment.  I've been potting my seedlings individually
all along, in a wide
variety of vessels.  It has seemed all along that the
seedlings that are more
"crowded" into their pot were the happiest.  

But if
it's "better" to plant
them individually, why is it the convention to plant
them as groups?  Is there
some other perceived benefit that at least for some
growers outweighs the

From: Paul Archer
To: iris@hort.net
Sent: Wednesday, January 28, 2009
9:10:43 PM
Subject: Re:
[iris] HYB: germination observations

Since I use
MiracleGrow potting soil and
have great results for most crosses
and water
differently because of my
professional horticultural background I'll
on my watering technique...
Not that there is anything wrong with
yours or
anyone else's but a suggestion.
Having worked in the greenhouse industry I
have learned that it is quite
beneficial to let the soil dry out completely to
almost bone dry between
waterings or at least every couple of waterings so the
soil stays moist to wet
(not sopping wet) for only a week to week and half at
most.  This encourages
the plant to produce more roots to search for water. 
The more roots produced
the more foliage is produced from nutrient
availability. The soil volume
relative to root volume also decreases so the
soil will retain less water
(water logging) and encouraging pots to become
root bound.  This also keep
diseases (Pythium ssp.ect.) and insect levels
(fungus gnats) lower.  I have
found that the little seedlings can easily
handle the soil being quite dry for
a couple of days if not too hot where they
are being grown.  There is no
pressure to constantly keep and eye on them all
the time.  This is even
working for seedlings of moisture loving I. tectorum I
have growing right now
and they seem very appreciative.  And of course the
Regeliacyclus and
Arilbreds don't seem to mind it either.

If a seedling/cross
is not growing
well and the soil is staying to
o moist then
change one of the
parameters.  The easiest one to change is the size
of the container
smaller) and allow it to grow with all the rest.  Also
growing them in
community pot as many of us do will dry out the soil faster.
The trick is to
transplant/separate them into individual (but still small)
pots before the
larger, more vigourous sedlings outgrow and smother the weaker

Indianapolis, IN  Zone 5

-----Original Message-----
>From: Linda Mann
>Sent: Jan 28, 2009 6:02 PM
>To: iris@hort.net
[iris] HYB: germination observations
>3) This is the first year to
experiment with Miracle gro potting mix as
>a germination medium for
seedlings.  They love it.  It doesn't dry out
>as fast as the more finely
milled seed germination I've used in the
>past, plus seems to wet more
easily.  Not recommended for seeds from
>lines that don't tolerate mulch and
moisture, but my kids are thriving
>in it.  Too much nitrogen, so there's too
much top growth to suit me,
>but it makes them look nice <g>  One baby already
has a little
>mini-rhizome the size of a pencil eraser.
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