What diseases affect celeriac?

White mould (Sclerotinia), Septoria leaf spot

Celeriac pests and diseases: how to recognise them

Q: Which celeriac problems need quick action?

Carrot fly: Rusty-brown scars and tunnels ringing the tap roots, making them inedible. White mould (Sclerotinia): Roots, heads, pods and fruit can rot too, also in storage.

Apium graveolens

The pests, diseases and disorders recorded for celeriac 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	5
Pests	2
Diseases	2
Nutrient deficiencies	1
Need quick action	2

How to grow celeriac · All pests and diseases

Pests

Carrot flyRusty-brown scars and tunnels ringing the tap roots, making them inedible.Photo: Rasbak, CC BY-SA 3.0, Wikimedia Commons
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

Diseases

Nutrient deficiencies

Boron deficiencyLeaf-tip dieback on lettuce; small, puckered leaves and distorted fruits on strawberries; dimpled pear skin with brown patches in the flesh.Photo: Jan Hinrichs-Berger, LTZ Augustenberg, CC BY 4.0, Wikimedia Commons

Which celeriac problems need quick action?

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

Carrot fly: Rusty-brown scars and tunnels ringing the tap roots, making them inedible.
White mould (Sclerotinia): A soft, wet rot on stems, often near soil level; plants suddenly turn yellow, wilt and collapse.

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.