Visit also how to spot downy mildew on variegated leaves, and on golden leaved forms.
Aquilegia Downy Mildew vs Variegation
|Variegated leaves||Variegated leaves are a brighter yellow with green, there
can be a few shades of green / yellow as can be seen on the
The amount of green vs the yellow varies from plant to plant.
Variegation in seedlings can be seen as soon as they germinate.
|Sometimes it looks more like green variegation on a golden
background, sometimes the other way around.
There may be tiny red edges to the leaves.
|Downy Mildewed leaves||This is about as strong a colour variegation as possible
with downy mildew, usually it is much
Look how the yellowy areas are angular, following the lines of the leaf veins (as DM is blocked from growing across the vein easily)
|Look how the yellowy areas are angular, following the lines
of the leaf veins (as DM is blocked from growing across the vein
|Golden leaves||Gold foliage on aquilegias is very beautiful. Again, it can
be seen as soon as the seed germinates.
|Downy Mildew||I do not think you will mistake the whiter-green leaves of
systemically infected new aquilegia leaves with golden foliage, as it
is not yellow. However, here are such infected leaves for
I have purposely selected rather 'burnt out' images that exaggerate the brightness of the fully infected leaves.
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DOWNY MILDEW ON VARIEGATED LEAVES