How do I protect geraniums from pests and diseases?
Our Advice
To protect geraniums from pests and diseases, start by planting disease-resistant varieties and providing good air circulation. Water at the base of the plant, and avoid getting the leaves wet, which can lead to fungal diseases. Remove any diseased or damaged foliage promptly, and keep an eye out for common pests such as spider mites and aphids.
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Learn More About Pests & Diseases
Angle shades moth
Anthracnose
Box blight
Box tree caterpillar
Canker — Bacterial
Canker — Bleeding
Canker — Fungal
Capsids
Centipedes
Chafer grubs
Coral spot
Cutworms
Earthworms
Earwigs
Eelworms (leaf & stem)
Eelworms (soil-borne)
Froghopper
Fuchsia gall mite
Garden Ants
Grey mould
Honey fungus
Leaf cutter bees
Leaf Rolling Caterpillars
Leaf spots — Fungal
Leatherjacket
Lily beetle
Mealy bugs
Mildew — Downy
Mildew — Powdery
Millipedes
Pear midge
Phytophthora root rot
Rose Black spot
Rusts
Sawfly — Berberis
Sawfly — Gooseberry
Scale insects
Sciarid flies
Slugs
Snails
Sooty moulds
Thrips
Vine weevil
Whitefly
Wireworms
Woodlice
Woolly aphid