reticulata irises

David Maltby
Mon, 21 Mar 2016 03:15:33 PDT
Hi all
Alan McMurtrie has been growing reticulata and other species in his garden
in Toronto, Ontario for many years. He does give them any special
treatment. It is a mid North American climate. I have grown them in my
various Ontario gardens with no special treatment and in various soils.
They appear to do best in friable humus rich well drained garden soil.
The bigger problem is the poor condition of the bulbs when purchased. Many
are dried out or already rotting.  Planting the best only results in a
scattered result the next spring. Good bulbs from a good supplier results
in almost 100% success the next spring. They do need to be divided and
replanted regularly.
David Maltby

On Sat, Mar 19, 2016 at 4:53 PM, Dennis Kramb <> wrote:

> I've tried different reticulata varieties from big box stores, but they
> never persist in my garden.  Any ideas why they fizzle out instead of
> steadily increase like most spring bulbs?
> Do they have different cultural requirements than Muscari, daffodils,
> tulips, etc.?  Because that's what I've tried to grow them alongside.
> I'm wondering if they need a raised bed with fast draining soil.  It surely
> can't be winter cold killing them off.  I'm in SW Ohio (USDA Zone 6).
> Thanks,
> Dennis in Cincinnati
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