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| Hellebore 'Black Death' |
This is a relatively new disease that only affects hybrid hellebores.
It is seen as the blackening, distortion and stunting of the leaves and stems, and sometimes the flowers.
Black streaking and mottling appears as a ring spot pattern or in lines between the leaf veins.
These are eventually passed down the leaf stalks to the main stem of the plant.
An aphid endemic to hellebores is suspected of passing on the virus.
There is no cure for virus infection other than digging up all infected plants as soon as symptoms are noticed, and destroying them immediately to reduce the risk of spread.
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