I have been having the same thing on my climbers and other roses. We have had a cool wet year so far....so, I will add iron and sulfur. Karen Zone 4
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> From: Lynn Barton <hlbarton@execpc.com>
> To: 'rose-list@eskimo.com'
> Subject: RE: Pale Leaves - Reply
> Date: Thursday, June 25, 1998 11:46 AM
>
> Though pale leaves with green veins are a sign of iron deficiency,
> chlorosis is usually a problem where soils are alkaline. The iron may be
> in the soil, but the high pH "locks" it up. Most soils east of the Miss
> are neutral to acid. Before adding iron and sulfur, I would (and did)
> have a soil test.
>
> A few years ago I noticed this pale leaf syndrome on a few of my roses.
> After testing the soil and finding it to have a slightly acid pH and
> plenty of iron, I went to the local extension office for suggestions. The
> most probably cause in my garden was saturated soil, which decreases the
> oxygen available to the plants. The first year I noticed the problems we
> were having exceptionally heavy rainfall, 5 or more inches in a few hours.
>
> Marlynn, have you had more than average rainfall this year? We have over
> here in Illinois and I am again noticing the problem on some of the
> rugosas as well as other plants.
>
> Lynn, Z4b
> hlbarton@execpc.com
>
> On Wednesday, June 24, 1998 5:08 PM, C. Walworth
> [SMTP:cwtwo@cyberhighway.net] wrote:
> > Marlynn Marcks wrote:
> > >
> > > Does anyone know what could be causing my Blaze climbers to have
> > > yellow
> > > leaves with green veins? The lightest leaves are at the top and
> > > sometimes are almost white. Where the leaves are yellow the blossoms
> > > are also lighter. These are 8 years old and haven't done this before.
> > > Marlynn Marcks
> > > zone 6 Michigan
> > >
> > >
> > iron iron iron. but you've gotta add sulpher for them to use it. Cathy,
> > CR, zone 6a.
>