reticulata irises

Dennis Kramb
Sat, 19 Mar 2016 13:53:33 PDT
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).

Dennis in Cincinnati

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