Help us achieve our goals:
make a donation »
Join the RHS today and
support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
Join the RHS today and support our charity
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
One of the most important problems of hellebores is a sap feeding aphid or greenfly. It can cause a lack of vigour and unsightly, sooty mould on the leaves and flowers.
Common names Hellebore aphidScientific names Macrosiphum helleboriPlants affected Hellebores (Helleborus species)Main symptoms Whitish green aphids cluster on the flowers and foliage, which is sticky with honeydew excreted by the aphidsMost active March-April
A sap-sucking aphid or greenfly that infests the flowers and foliage of hellebores in the spring.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
AphidsAphid predatorsBlackflyCherry blackflyConifer aphids Currant aphids Currant blister aphidCypress aphidGreen spruce aphidHarlequin ladybird HelleboreHellebore black deathHellebore leaf minerHellebore leaf spotLadybirds Lupin aphidMealy cabbage aphidPear bedstraw aphid Plum aphidsPrivet aphid Protect your gardenRaspberry and blackberry aphids RHS statement on pesticides in horticulture Rose aphidsRose root aphid Rosy apple aphidWillow bark aphid Woolly aphidWoolly beech aphid
the RHS today and get 12 months for the price of 9
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Register for the site or sign in to share your experiences on this topic and seek advice from our community of gardeners.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9