Find Foliage Plants conditions by symptom
Pick a symptom you've noticed and review the related conditions.
A black sooty coating (sooty mold) may appear on leaf surfaces
- Scale InsectsConsider acting within a few days
A white powdery coating or patches may appear on the upper surface of leaves
- Powdery MildewConsider acting within a few days
Brown to dark brown lesions may appear on leaves, often with a yellow border
- AnthracnoseConsider acting within a few days
Brown, white, or gray shell-like bumps may be found fixed to stems and leaves
- Scale InsectsConsider acting within a few days
Damaged tissue does not recover and may dry out and fall off
- Cold Damage / Chilling InjuryConsider acting within a few days
Discoloration and dieback may begin at leaf margins and tips
- Cold Damage / Chilling InjuryConsider acting within a few days
Leaf margins and tips may turn brown and dry out
- Leaf ScorchMonitor; consult a specialist if it worsens
Leaves and stems may become sticky from honeydew secretions
- MealybugsConsider acting within a few days
Leaves and stems may feel sticky to the touch from honeydew secretions
- Scale InsectsConsider acting within a few days
Leaves may appear dull and lose their healthy sheen
- Spider MitesConsider acting within a few days
Leaves may become distorted or crinkled
- Powdery MildewConsider acting within a few days
Leaves may darken, soften, and take on a water-soaked appearance
- Cold Damage / Chilling InjuryConsider acting within a few days
Leaves may yellow and drop when infestations are left untreated
- Spider MitesConsider acting within a few days
Leaves may yellow and fall, and the plant may gradually weaken
- Scale InsectsConsider acting within a few days
Leaves may yellow and wilt or soften
- Root RotAct promptly (isolate, remove the cause)
Lesions may enlarge and merge, discoloring large portions of the leaf
- AnthracnoseConsider acting within a few days
New growth may be stunted, distorted, or slow to emerge
- MealybugsConsider acting within a few days
New growth may halt and overall plant vigor may decline
- Root RotAct promptly (isolate, remove the cause)
Newly emerging or partially unfurled leaves tend to be more susceptible
- Leaf ScorchMonitor; consult a specialist if it worsens
Pale to tan dry patches may appear on leaves, sometimes with a papery texture
- Leaf ScorchMonitor; consult a specialist if it worsens
Roots may turn dark brown and emit a foul odor
- Root RotAct promptly (isolate, remove the cause)
Scorched areas do not regain green color and remain permanently discolored
- Leaf ScorchMonitor; consult a specialist if it worsens
Severe cases may cause yellowing and leaf drop
- Powdery MildewConsider acting within a few days
Small dark specks (spore masses) may be visible within lesions
- AnthracnoseConsider acting within a few days
Stems may become soft and the whole plant may wilt
- Cold Damage / Chilling InjuryConsider acting within a few days
Symptoms may spread to neighboring leaves or nearby plants
- AnthracnoseConsider acting within a few days
The plant may weaken and leaves may yellow and drop if infestations go untreated
- MealybugsConsider acting within a few days
The stem base may turn brown to black and become mushy
- Root RotAct promptly (isolate, remove the cause)
The white film may spread across the entire leaf
- Powdery MildewConsider acting within a few days
Tiny mites or fine webbing may be visible on leaf undersides
- Spider MitesConsider acting within a few days
White cottony or powdery masses may appear in leaf axils, stem nodes, or at the base of the plant
- MealybugsConsider acting within a few days
White to yellow stippled speckling may spread across leaf surfaces
- Spider MitesConsider acting within a few days