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Re: lungwort powdery mildew


I use copper soap to prevent powdery mildew on my phlox and zinnias here, if
it works in our heat, surely it will work for you?  Just be sure to spray
before the temps get to 85 degrees.  If it's hotter than that, the leaves
will burn.

On 6/17/07, Kitty <kmrsy@comcast.net> wrote:
>
> Looked around a bit and found this from Tony Avent: "Many of the cultivars
> will tend to get some powdery mildew on their foliage during the summer.
> While this is unsightly, it seems to cause little problems for the plants.
> It appears that hybrids with P. longifolia seem to be resistant to this
> problem. "
> And this from MOBOT "Powdery mildew can be a significant problem on some
> lungworts, particularly if soils are allowed to dry in summer. 'Baby Blue'
> reportedly has good resistance to powdery mildew."
>
> Perhaps I have accidentally selected resistant varieties except for this
> one.  Also, this one is planted in a soil that is sandier than the rest of
> my garden.  It has been so hot and dry of late - hence the powdery mildew.
>
> Kitty
> neIN, Zone 5
> ----- Original Message -----
> From: "james singer" <islandjim1@verizon.net>
> To: <gardenchat@hort.net>
> Sent: Sunday, June 17, 2007 11:12 AM
> Subject: Re: [CHAT] lungwort powdery mildew
>
>
> >I would try that. You don't have anything to lose but time by trying it.
> >I've never seen it on Pulmonaria either.
> >
> > On Jun 17, 2007, at 12:46 PM, Kitty wrote:
> >
> >> I've never had a Pulmonaria get powdery mildew b4, but this one seems
> to
> >> have it bad.  I see new clean leaves coming out.  Would it be ok to
> just
> >> remove all the old leaves rather than mess around w sprays and such
> that
> >> would only provide minimal success and still allow the fungal problem
> to
> >> hang around?
> >> Kitty
> >> neIN, Zone 5
> >> ---------------------------------------------------------------------
> >> To sign-off this list, send email to majordomo@hort.net with the
> >> message text UNSUBSCRIBE GARDENCHAT
> >>
> >>
> > Island Jim
> > Southwest Florida
> > 27.1 N, 82.4 W
> > Hardiness Zone 10
> > Heat Zone 10
> > Sunset Zone 25
> > Minimum 30 F [-1 C]
> > Maximum 100 F [38 C]
> >
> > ---------------------------------------------------------------------
> > To sign-off this list, send email to majordomo@hort.net with the
> > message text UNSUBSCRIBE GARDENCHAT
>
> ---------------------------------------------------------------------
> To sign-off this list, send email to majordomo@hort.net with the
> message text UNSUBSCRIBE GARDENCHAT
>
>


-- 
Pam Evans
Kemp TX
zone 8A

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