Brown spots on leaves: causes & fixes

Seeing brown spots on leaves on your houseplant? It is one of the most common indoor-plant complaints. Here is what usually causes it and how to put it right.

Most likely cause
Inconsistent watering, cold draughts, or fungal issues.
How to fix it
Water evenly, keep it warm, and remove badly affected leaves.

🪴Plants prone to this

Fiddle Leaf Fig (Ficus lyrata)
Fiddle Leaf Fig
Ficus lyrata
Toxic to pets Fussy
Staghorn Fern (Platycerium bifurcatum)
Staghorn Fern
Platycerium bifurcatum
Pet-safe Moderate
Rex Begonia (Begonia rex)
Rex Begonia
Begonia rex
Toxic to pets Moderate
African Violet (Streptocarpus sect. Saintpaulia)
African Violet
Streptocarpus sect. Saintpaulia
Pet-safe Moderate
Polka Dot Begonia (Begonia maculata 'Wightii')
Polka Dot Begonia
Begonia maculata 'Wightii'
Toxic to pets Moderate
Iron Cross Begonia (Begonia masoniana)
Iron Cross Begonia
Begonia masoniana
Toxic to pets Moderate
Tamaya Cane Begonia (Begonia 'Tamaya')
Tamaya Cane Begonia
Begonia 'Tamaya'
Toxic to pets Moderate
Beefsteak Begonia (Begonia × erythrophylla)
Beefsteak Begonia
Begonia × erythrophylla
Toxic to pets Easy
Emerald Ripple Peperomia (Peperomia caperata)
Emerald Ripple Peperomia
Peperomia caperata
Pet-safe Easy
Peperomia Frost (Peperomia caperata 'Frost')
Peperomia Frost
Peperomia caperata 'Frost'
Pet-safe Easy
Crocodile Fern
Microsorum musifolium
Pet-safe Moderate
Lipstick Echeveria (Echeveria agavoides)
Lipstick Echeveria
Echeveria agavoides
Pet-safe Easy
Ox Tongue (Gasteria bicolor)
Ox Tongue
Gasteria bicolor
Pet-safe Easy
Bunny Ears Cactus (Opuntia microdasys)
Bunny Ears Cactus
Opuntia microdasys
Pet-safe Easy
Golden Barrel Cactus (Echinocactus grusonii)
Golden Barrel Cactus
Echinocactus grusonii
Pet-safe Easy
Moon Cactus (Gymnocalycium mihanovichii)
Moon Cactus
Gymnocalycium mihanovichii
Pet-safe Moderate
Bishop's Cap Cactus (Astrophytum myriostigma)
Bishop's Cap Cactus
Astrophytum myriostigma
Pet-safe Moderate
Star Cactus (Astrophytum asterias)
Star Cactus
Astrophytum asterias
Pet-safe Moderate
Peruvian Apple Cactus (Cereus repandus)
Peruvian Apple Cactus
Cereus repandus
Pet-safe Easy
Dancing Lady Orchid (Oncidium sphacelatum)
Dancing Lady Orchid
Oncidium sphacelatum
Pet-safe Moderate
Slipper Orchid (Paphiopedilum insigne)
Slipper Orchid
Paphiopedilum insigne
Pet-safe Moderate
Spider Orchid (Brassia verrucosa)
Spider Orchid
Brassia verrucosa
Pet-safe Moderate
Zygopetalum Orchid (Zygopetalum maculatum)
Zygopetalum Orchid
Zygopetalum maculatum
Pet-safe Moderate
Java Fern (Microsorum pteropus)
Java Fern
Microsorum pteropus
Pet-safe Easy
Cryptocoryne Wendtii (Cryptocoryne wendtii)
Cryptocoryne Wendtii
Cryptocoryne wendtii
Pet-safe Easy
Java Moss (Taxiphyllum barbieri)
Java Moss
Taxiphyllum barbieri
Pet-safe Easy
Bucephalandra (Bucephalandra motleyana)
Bucephalandra
Bucephalandra motleyana
Pet-safe Moderate
Christmas Moss
Vesicularia montagnei
Pet-safe Moderate
African Water Fern (Bolbitis heudelotii)
African Water Fern
Bolbitis heudelotii
Pet-safe Moderate
Marimo Moss Ball (Aegagropila linnaei)
Marimo Moss Ball
Aegagropila linnaei
Pet-safe Easy
Marsh Marigold (Caltha palustris)
Marsh Marigold
Caltha palustris
Toxic to pets Easy
Common Eelgrass (Zostera marina)
Common Eelgrass
Zostera marina
Pet-safe Fussy
Amazonian Zebra Plant (Aechmea chantinii)
Amazonian Zebra Plant
Aechmea chantinii
Pet-safe Moderate
Flaming Sword (Vriesea splendens)
Flaming Sword
Vriesea splendens
Pet-safe Moderate
King of Bromeliads (Vriesea hieroglyphica)
King of Bromeliads
Vriesea hieroglyphica
Pet-safe Moderate

🩺Other common problems

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