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Re: Achillea 'Coronation Gold'

Cheryl A Sanderson wrote:

> I work at a medium size garden center that specializes in perennials
> in
> Zone 5.  My professional background is P.E. teacher.  My hobby is
> gardening.  I no longer teach and I have become extremly addicted to
> plants, specifically growing.   However, I do not have any Hort
> education
> and I am completely self- taught.
>
> Now that you know my background, my question relates to Achillea
> 'Coronation Gold'.  What is the most successful way to propagate this
> plant? My success rate is poor.  I tried division mid-summer.  Plant
> seems very woody and therefore much damage occurs during division.  I
> tried stem cuttings, but we have no greenhouse facilities.  I use a
> shade
> cloth tent for protection from the sun.  What size pot should be used?
>
> How far do you cut the plant back after the division?
>
> One more question as long as I have you.  Perovskia...same questions.
> Remember we have no greenhouse!  Thanks.

   I've never tried to propagate any Achillea other than by seed.
HOwever, many of the coposite family can be difficult, even with bottom
heat and a mist system.  I would therefore think that the easiest way to
propagate this division of plants would be by Irishman's cuttings,
Pulling small pieces off the crown early in spring with a small bit of
root attached, or by pulling "heel cuttings" off the main stems.

Perovskia, on the opther hand, should be fairly easy.  On many plants
that have silvery, wooly, "tomentose" branches, it helps alot to scape
off some of this coating to get down to green stem wood.   Then, a quick
dip in rooting hormone, shake off the excess, and put the cutting into a
sterile plastic pot filled with a VERY airy medium.  I usually take a
light peat based potting mix and add another 30% or so of perlite.
Misting is not necessary, but making sure that the mix never dries out
is an absolute must.
hope this helps.

Rika
Willow Pond Nursery
willowpondnursery.com  (we'll be up and running by the end of nest week)
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