What pests attack delphinium?

Leaf Miner, Two-spotted spider mite

What diseases affect delphinium?

Grey mould, White mould (Sclerotinia)

Delphinium pests and diseases: how to recognise them

Q: Which delphinium problems need quick action?

Grey mould: Fuzzy grey-brown mould on decaying buds, flowers, leaves, stems or fruit in humid weather. White mould (Sclerotinia): A soft, wet rot on stems, often near soil level; plants suddenly turn yellow, wilt and collapse.

Delphinium elatum

The pests, diseases and disorders recorded for delphinium in our library, each with a photo and its first symptom. Every page has the full list of symptoms, organic and chemical treatment and prevention.

At a glance

Problems in total	4
Pests	2
Diseases	2
Need quick action	2

How to grow delphinium · All pests and diseases

Pests

Leaf MinerSmall pale dots on the upper leaf surface where adult female flies have punctured the leaf to feed.Photo: Flowersabc, CC BY-SA 2.0, Wikimedia Commons
Two-spotted spider miteFine pale stippling or mottling on the upper leaf surface; leaves may turn bronze.Also called: red spider mitePhoto: Gilles San Martin from Namur, Belgium, CC BY-SA 2.0, Wikimedia Commons

Diseases

Which delphinium problems need quick action?

These spread or do lasting harm fast; check the plants and start treatment the day you see them.

Grey mould: Small, almost translucent spots that turn brown and water-soaked; affected tissue goes soft, dark and dies, and buds and flowers shrivel.
White mould (Sclerotinia): Masses of fluffy white, cotton-like mould on the affected parts, especially in cool, damp weather.

Plants with many of the same problems

Which plants each problem affects: sources

The links between these problems and the plant were checked against these pages.