Re: divisions


In a message dated 10/22/02 3:16:59 PM Eastern Daylight Time, 
harold@directcon.net writes:


> > whenever it suits her!  I've been told, and have experienced, that
> > spring is best in New England, but many of you clearly do it in summer
> > or fall, even late fall.  


This has been discussed here before.  The general consensus, not 100% for 
sure, is that in the cold states, spring planting is better, the southern 
states like summer or fall shipping, divison and planting.  The idea that 
would be that you would be losing the flowers for one year if you distrub the 
clump in early spring.  Either you accept that or you get some flowers.  This 
may have to do with the spring rains here. There is a lot more rain around in 
May and June, as a rule, than July and August.  I have country property and a 
well so water nothing except containers.

I have been growing these for many years in zone 4 in a rocky mountainous 
area and find summer or fall division or planting will a) die or wither away; 
b) take a very long time to become a respectable border clump.

All of my plants are grown in the gardens, all in different places.  A bed of 
nothing but Siberians takes a lot of space for a short bloom season so those 
will good foliage are what I would prefer and spot them around in the various 
gardens and between the rock where there is a chance of moist soil.  Saying 
this,  a clump of blooming iris is what I am aiming for, not a row.  A grower 
might have a different slant on this this.

I divide, if at all, in the very early spring, when the the shoots are just 
appearing.  Occasionally a gift or a purchase is so small or weak I put it in 
the cold frame for a year or two, even three until it is a border plant.

For what it is worth, we may have snow this week and have had hard freezes 
for weeks now.   Siberians do not do well for me if fiddled with past late 
May.  Of course, there are some that will never grow here for inherent 
reasons and that is something one does not know in advance.

A note on Lake Keuka.  A friend bought a plant from the grower the day he 
came to a club meeting to speak.  He sent a large healthy division and she 
was very happy with it.  She gave me a small piece which I planted in a cold 
frame.  Two years later hers met with a fatal accident and mine was as large 
as hers so I was able to cut it in half and return it to the friend.  Lake 
Keuka does well in zone 4.

Claire Peplowski
NYS z4 


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