Re: CULT: mulch (was TB: Mariah)

John Jones said:
<Are you saying that the current lore (to not mulch at least during
spring and summer) is not valid?>

My two cents:
If a cultivar has been selected in growing conditions where current lore
(i.e., mulch kills) is followed, I suspect mulch will be more likely to
kill.  For example, if a catalog says 'do not mulch, no overhead
watering because the irises will rot', I suspect introductions from that
hybridizer will rot if mulched and/or rained on a lot when soil
temperatures are warm.

My impression is that hybridizers have recently been doing a better job
of selecting seedlings that tolerate mulch and overhead water than they
were a decade ago, but have no data to prove it.

Bill, have you noticed any difference or done any experiments to compare
new, un-acclimated cultivar response to mulch vs no mulch?

--
Linda Mann east Tennessee USA zone 7/8

American Iris Society web site <http://www.irises.org>
iris-talk/Mallorn archives: <http://www.hort.net/lists/iris-talk/>
iris-photos/Mallorn archives: <http://www.hort.net/lists/iris-photos/>

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