Disease · 97 plants in our database

Powdery mildews

97 plants in our database
Powdery mildews

Which plants

Where you will find it.

Signs and protection differ by plant — the exact steps are on each plant’s page.

African MarigoldTagetes erectaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Anise hyssopAgastache foeniculum

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
AstilbeAstilbe ×arendsiiFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
BasilOcimum basilicumFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Batchelor's-ButtonCentaurea cyanusFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Bay laurelLaurus nobilisFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Belgian endive (witloof)Cichorium intybus (Witloof Group)From spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Bigleaf lupineLupinus polyphyllus

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Bloody cranesbillGeranium sanguineumFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
BorageBorago officinalisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
BugleAjuga reptansFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Busy lizzieImpatiens walleriana

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Butternut squashCucurbita moschataFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Candle larkspurDelphinium elatumFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Carmichael's monkshoodAconitum carmichaeliiFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
CatmintNepeta ×faasseniiFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Cherry laurelPrunus laurocerasusSpring – autumn

White powdery coating on leaves and shoots.

Protection for this plant →
Chinese wisteriaWisteria sinensisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Climbing hydrangeaHydrangea petiolarisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
ColumbineAquilegia vulgarisFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Common foxgloveDigitalis purpureaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common hazelCorylus avellanaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common honeysuckleLonicera periclymenumFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common lilacSyringa vulgaris

White powdery coating on leaves and shoots.

Protection for this plant →
Common lungwortPulmonaria officinalisFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Common medlarMespilus germanicaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common PoppyPapaver rhoeasFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common sageSalvia officinalisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common sunflowerHelianthus annuusFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Common yarrowAchillea millefoliumFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Common zinniaZinnia elegansFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
CorianderCoriandrum sativumFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
CranberryVaccinium macrocarpon

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
CucumberCucumis sativusFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Fall phloxPhlox paniculataFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Feathered pinkDianthus plumarius

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
FennelFoeniculum vulgareFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Fraser photiniaPhotinia × fraseriFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
French marigoldTagetes patula

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Garden chrysanthemumChrysanthemum × morifolium

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Garden dahliaDahlia ×pinnataFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Garden roseRosa (Garden Hybrids)

White powdery coating on leaves and shoots.

Protection for this plant →
GauraOenothera lindheimeri

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Grape vineVitis viniferaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Greater masterwortAstrantia majorFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Hardy geraniumGeranium macrorrhizumFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Hardy plumbagoCeratostigma plumbaginoidesFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Honey locustGleditsia triacanthosFrom spring onwards

White powdery patches on leaves, stems and flowers, often on the upper side of the leaf; leaves stunted or distorted.

Protection for this plant →
HoneyberryLonicera caerulea var. kamtschatica

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Hybrid violetViola × wittrockianaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Japanese anemoneAnemone ×hybridaFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Japanese euonymusEuonymus japonicus

White powdery coating on leaves and shoots.

Protection for this plant →
Japanese spireaSpiraea japonica

White powdery coating on leaves and shoots.

Protection for this plant →
Lemon balmMelissa officinalisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
LingonberryVaccinium vitis-idaeaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
MelonCucumis meloFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
MonkshoodAconitum napellusFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
New England asterSymphyotrichum novae-angliaeFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Orange coneflowerRudbeckia fulgidaFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Oregon grapeMahonia aquifolium

White powdery coating on leaves and shoots.

Protection for this plant →
Oriental poppyPapaver orientale

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
PeaPisum sativumFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
PeppermintMentha ×piperitaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Plains eryngoEryngium planumFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Pot MarigoldCalendula officinalisFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
PrimrosePrimula vulgaris

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Purple coneflowerEchinacea purpureaFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Purpletop vervainVerbena bonariensis

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
RadicchioCichorium intybus (Radicchio Group)From spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Red horse chestnutAesculus × carneaFrom spring onwards

White powdery patches on leaves, stems and flowers, often on the upper side of the leaf; leaves stunted or distorted.

Protection for this plant →
Rose of SharonHibiscus syriacus

White powdery coating on leaves and shoots.

Protection for this plant →
RosemarySalvia rosmarinusFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Russian sagePerovskia atriplicifoliaFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
RutabagaBrassica napus var. napobrassicaFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Scarlet beebalmMonarda didymaFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Shasta daisyLeucanthemum × superbum

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Smoke bushCotinus coggygria

White powdery coating on leaves and shoots.

Protection for this plant →
SpearmintMentha spicataFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Sweet peaLathyrus odoratusFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
TarragonArtemisia dracunculusFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
TurnipBrassica rapa subsp. rapaFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Tussock bellflowerCampanula carpatica

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
WatermelonCitrullus lanatusFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Wax begoniaBegonia (Semperflorens-Cultorum Group)

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
White mulberryMorus albaFrom spring onwards

White powdery coating on leaves, stems and flowers; leaves may become distorted.

Protection for this plant →
Winter heathErica carnea

White powdery coating on leaves and shoots.

Protection for this plant →
Winter squashCucurbita maximaFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
WintercreeperEuonymus fortunei

White powdery coating on leaves and shoots.

Protection for this plant →
Woodland sageSalvia nemorosaFrom spring onwards

White powdery coating on leaves and stems; leaves curl and dry out.

Protection for this plant →
Woolly hedgenettleStachys byzantinaFrom spring onwards

White powdery coating on leaves and stems.

Protection for this plant →
Zucchini, pumpkinCucurbita pepoFrom spring, especially later in the season

White powdery coating on leaves, stems and flowers.

Protection for this plant →
Specific species: apple powdery mildew
Sources (131)