That is great info ty for sharing . I Lost many irises do to Mulching when i first started out in irises about 6-7 yrs ago someone told me to MULCh I had just bought over 30 irises from Nolas garden & another iris site Had my garden all set for them got them planted put on the Mulch they looked great by the following spring there were maybe 10 or so that came back I removed the mulch ut still did not help out of the 10 or so & over the years I still do not have but a couple 3 Rhizomes of each they do not Multiply what am i doing wrong . ?
My Dwarfs are Multipling Like crazy as do all My other plants its just my TB'd that do not .
