Re: lungwort powdery mildew
Key Word: Prevention
Pam, all i've been able to do around here is catch problems as they occur
rather than apply preventative measures. But I will remember this for
future use. Thanks. I am catching up on some things today but other jobs
have taken priority. I have a guy coming tomorrow to install a new patio
door so lots o stuff had to be moved outside. And I spent much of the
morning fencing off the easement at the back of my property to stop the kids
traipsing through my yard. While back there I notice a couple of humongous
mulberries and some maples had sprung up since I'd last been back there so I
had to stop and chop and haul and cut and bundle for the trash. It's always
something.
Kitty
neIN, Zone 5
----- Original Message -----
From: "Pam Evans" <gardenqueen@gmail.com>
To: <gardenchat@hort.net>
Sent: Sunday, June 17, 2007 2:03 PM
Subject: Re: [CHAT] 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
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>>
> 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]
>
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--
Pam Evans
Kemp TX
zone 8A
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