Re: TB: increases on ancestral rhizome (was Another question)

John Jones wrote: 
> A rz will only ever put up one bloomstalk (excepting the pineappling
> phenomenon).After that it puts out increases. I don't think it would normally
> put out increases in subsequent years. 

A month or so ago, I 'excavated' a chunk of RHEINGAUPERLE? (older
historic) to send to someone.  This rhizome was in a death struggle with
a big clump of fescue and I think the iris would have won.  It had
increases on the GRANDMOTHER rhizome.  Quite a sight.  But I agree, that
isn't 'normal'.  I have no idea if it's normal for this cultivar, which
also seems to be quite resistant to Roundup, though clearly not quite as
resistant as the fescue!

Linda Mann east Tennessee USA
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