Disease · 33 plants in our database
Grey mould
Botrytis cinerea
Which plants
Where you will find it.
Signs and protection differ by plant — the exact steps are on each plant’s page.
BasilOcimum basilicumFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Belgian endive (witloof)Cichorium intybus (Witloof Group)Soft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Bigleaf hydrangeaHydrangea macrophyllaGrey mould coating on flowers and leaves in damp conditions.
Protection for this plant →
BlackberryRubus fruticosus agg.Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
ChardBeta vulgaris subsp. vulgaris (Cicla Group)Soft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Common cosmosCosmos bipinnatusFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Common zinniaZinnia elegansFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Cushion spurgeEuphorbia polychromaAll yearGrey fuzzy mould on dying parts, rot of buds and stems.
Protection for this plant →
English lavenderLavandula angustifoliaAll yearFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
French marigoldTagetes patulaFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Garden chrysanthemumChrysanthemum × morifoliumFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Garden dahliaDahlia ×pinnataAll yearGrey-brown fuzzy coating and soft rot on dead and damaged parts, especially in damp weather.
Protection for this plant →
Garden strawberryFragaria ×ananassaAll yearFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Grape vineVitis viniferaAll yearFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Ivy-leaved cyclamenCyclamen hederifoliumThroughout the growing seasonGrey fuzzy coating on dead parts, leaf and flower stalks collapse.
Protection for this plant →
LavandinLavandula × intermediaFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
LettuceLactuca sativaSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Lily of the valleyConvallaria majalisAll yearGrey fuzzy mould on dying parts, rot of buds and stems.
Protection for this plant →
New England asterSymphyotrichum novae-angliaeGrey mould coating on dying parts.
Protection for this plant →
New York asterSymphyotrichum novi-belgiiAll yearGrey fuzzy mould on dying parts, rot of buds and stems.
Protection for this plant →
PepperCapsicum annuumSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
PrimrosePrimula vulgarisFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Purple coneflowerEchinacea purpureaAll yearGrey fuzzy mould on dying parts, rot of buds and stems.
Protection for this plant →
RadicchioCichorium intybus (Radicchio Group)Soft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Saw-toothed hydrangeaHydrangea serrataSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Siberian irisIris sibiricaAll yearGrey-brown fuzzy coating and soft rot on dead and damaged parts, especially in damp weather.
Protection for this plant →
Smooth hydrangeaHydrangea arborescensSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
TomatoSolanum lycopersicumSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Wax begoniaBegonia (Semperflorens-Cultorum Group)Fuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Wild strawberryFragaria vescaFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Winter squashCucurbita maximaSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →
Zonal geraniumPelargonium × hortorumFuzzy grey-brown mould on dying buds, leaves, flowers and fruit.
Protection for this plant →
Zucchini, pumpkinCucurbita pepoSoft, rotting parts covered in a fuzzy grey coating.
Protection for this plant →Sources (50)
- rhs.org.uk 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
- extension.illinois.edu
- homegarden.cahnr.uconn.edu
- pnwhandbooks.org
- plants.ces.ncsu.edu 2
- missouribotanicalgarden.org 2 3
- lfl.bayern.de 2 3
- hgic.clemson.edu
- www1.agriculture.alberta.ca
- selectors.extension.illinois.edu
- greenhouse.cornell.edu











