Moisture tolerance of aril irises

Peter Taggart
Sun, 05 May 2013 00:22:24 PDT
yes, I have  quite a lot of experiance....
I do not treat the hybrids very well because they are low priority compared
to the species. They essential thing in growing these Iris in uncontrolled
rain is how they are planted. It is the same  old story of mulching them
with a lot of gravel, free draining soil and good air flow. the gravel
keeps the moisture density around the rhizomes which seems to be essential
for rooting, and insulates against heat which causes rot if the plants are
Peter (UK)

On Sun, May 5, 2013 at 1:36 AM, Jane McGary <>wrote:

> The aril hybrid irises that I've been growing under cover for a
> number of years have taken so well to the freedom of the raised beds
> in my bulb house that they are crowding out other plants. Most of
> them are hybrids between the Oncocyclus and Regelia sections. I'd
> like to move them into the open garden but I don't want to doom them
> to death in the wet winters of the Pacific Northwest. They would be
> dry from about mid-June to late September in a typical year.
> Does anyone have experience growing these plants in a winter-wet
> climate without overhead cover? How well have various cultivars done?
> Some of my favorites are
> ''Thor', 'Cythe', and 'Peresh'.

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