Pennisetum orientale
I always underestimate the eventual size of a plant. Now I have a
Pennisetum orientale 'Karley Rose' that is overflowing its designated
area.
According to "Encyclopedia of Perennials," P. orientale needs good
drainage, in zones 7-9. Zone *seven*???!!! I'm in zone 6! It survived
last winter, which was unseasonably warm, but it won't survive a normal
winter.
There is one spot in the garden that may qualify as a zone 6
microclimate. (Asarina procumbens comes back every year, but I don't
know if it's because the plants survived the winter, or if they're new
plants from scattered seed.) It's on and around a huge, dark boulder
that gets direct sunlight in winter. I think the plant should be moved
to this better location, but the book said to "carefully divide in
spring."
Is the plant really this fragile? If we're expected to have another
mild winter I'll wait until spring, but can meteorologists predict this?
Janet
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