Problem Diagnosis • 88% avg confidence

Sunburn

Our analysis of 26 verified rescue cases across 23 plant species shows exactly what causes sunburn and the most effective fixes.

Quick Summary

Anthuriums are tropical understory plants adapted to filtered light (1000-2500 lux). When exposed to direct sunlight—even brief morning sun through windows—the intense UV radiation causes photooxidative damage to leaf cells. Unlike root rot (soft mushy tissue), sunburn presents as crispy brown edges or patches, typically on the most exposed leaf surfaces. The damage is permanent; cells cannot recover from phototoxicity.

Most Effective Solutions

  1. 1 Immediate relocation: Move to bright indirect light only—east-facing with sheer curtain ideal
  2. 2 Assess damage: Crispy brown edges = sunburn; soft brown = root rot
  3. 3 Trim affected tissue: Use sterile scissors to remove sunburned sections for aesthetics

Affected Plants

23 species

anthurium

Anthurium spp.

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1 diagnosis 92%

string of pearls

Curio rowleyanus

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1 diagnosis 75%

calathea

Goeppertia spp.

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1 diagnosis 90%

pothos

Epipremnum aureum

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1 diagnosis 88%

rubber plant

Ficus elastica

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1 diagnosis 88%

jade plant

Crassula ovata

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1 diagnosis 91%

bird of paradise

Strelitzia reginae

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1 diagnosis 90%

portulaca oleracea

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1 diagnosis 88%

orchid

Phalaenopsis spp.

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1 diagnosis 87%

aloe vera

Aloe vera

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1 diagnosis 84%

monstera deliciosa

Monstera deliciosa

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1 diagnosis 94%

zz plant

Zamioculcas zamiifolia

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1 diagnosis 88%

parlor palm

Chamaedorea elegans

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1 diagnosis 82%

philodendron

Philodendron spp.

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1 diagnosis 90%

peace lily

Spathiphyllum

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1 diagnosis 85%

hoya

Hoya spp.

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1 diagnosis 90%

spider plant

Chlorophytum comosum

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1 diagnosis 90%

bromeliad

Vriesea/Guzmania spp.

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1 diagnosis 90%

majesty palm

Ravenea rivularis

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1 diagnosis 90%

pink princess

Philodendron erubescens 'Pink Princess'

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1 diagnosis 87%

air plant

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1 diagnosis 88%

echinocereus

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1 diagnosis 88%

fiddle leaf fig

Ficus lyrata

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1 diagnosis 87%

Frequently Asked Questions

What causes sunburn?
Anthuriums are tropical understory plants adapted to filtered light (1000-2500 lux). When exposed to direct sunlight—even brief morning sun through windows—the intense UV radiation causes photooxidative damage to leaf cells. Unlike root rot (soft mushy tissue), sunburn presents as crispy brown edges or patches, typically on the most exposed leaf surfaces. The damage is permanent; cells cannot recover from phototoxicity.
How do I fix it?
  1. Immediate relocation: Move to bright indirect light only—east-facing with sheer curtain ideal
  2. Assess damage: Crispy brown edges = sunburn; soft brown = root rot
  3. Trim affected tissue: Use sterile scissors to remove sunburned sections for aesthetics
Which plants are most affected?
anthurium, string of pearls, calathea, pothos, rubber plant and 18 others show significant incidence in our database.
Can it be prevented?
Position 3-5 feet from south/west windows; use sheer curtains or UV-filtering film; avoid placing directly against glass where light intensity magnifies; acclimate gradually to brighter locations over 7-10 days; maintain 60%+ humidity to support leaf resilience.
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