Sean Zera
Sun, 25 Nov 2012 09:52:57 PST
It's probably not the greatest thing to do to bearded irises, but it
doesn't seem to hurt them here and sometimes keeps them evergreen. I
wouldn't ever do it except to protect adjacent plants, and you'd definitely
want to remove the elm leaves in early spring before it warms up too much.

Bulb-wise, I do purposely mulch xiphium hybrids to keep the winter-growing
leaves from burning back, which also works on evergreen summer-growing
moraeas. It will however cause junos and reticulatas to emerge too early
for my climate.

Sean Z
Zone 6a
SE Michigan

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