Plant Problem Diagnosis
Identify and solve common plant health issues
Yellow Leaves
Yellowing leaves are one of the most common houseplant issues. Multiple factors can contribute, and visual symptoms alone may not identify one single cause.
Brown Leaf Tips
Brown, crispy leaf tips are a common sign of environmental stress in houseplants.
Drooping / Wilting
A drooping plant can signal either too much or too little water — the key is to check the soil.
Root Rot
Root rot occurs when roots are damaged by prolonged exposure to excess moisture, often leading to fungal or bacterial growth.
Pest Infestation
Common houseplant pests include spider mites, mealybugs, fungus gnats, scale, and aphids. Early detection makes management easier.
Curling Leaves
Leaf curling is a stress response where leaves roll inward or outward. It can indicate watering issues, environmental stress, or pest activity.
No Growth / Stunted Growth
When a plant stops growing or produces only small, sparse leaves, it may lack essential resources or be experiencing root issues.
Sunburn / Leaf Scorch
Sunburn occurs when a plant receives more direct light than it can handle, causing bleached or scorched patches on leaves.
Leggy Growth / Stretching
Leggy growth means long, stretched stems with wide gaps between leaves. The plant is reaching for more light.
Leaf Drop
Sudden or excessive leaf drop can be alarming. It is often a stress response to environmental changes.
White Spots / Powdery Mildew
White powdery patches on leaves are typically caused by powdery mildew, a common fungal issue. Other white spots may be mineral deposits or pest related.
Mushy Stems
Soft, mushy stems indicate tissue breakdown, often caused by overwatering or bacterial/fungal infection. This is a serious sign that needs prompt attention.
Brown Spots on Leaves
Brown spots on leaves can result from fungal infections, bacterial issues, watering problems, or physical damage. The pattern of spots helps identify the cause.
Pale / Faded Leaves
Leaves losing their vibrant green color and becoming pale or washed out often point to light or nutrient issues.
Edema / Bumps on Leaves
Edema appears as raised bumps, blisters, or corky growths on leaves. It occurs when the plant absorbs water faster than it can transpire.
Mold on Soil
White or yellow fuzzy mold on the soil surface is common and usually harmless. It indicates excess moisture and low air circulation.
Crispy Leaf Edges
When leaf margins become brown and crispy while the center stays green, it typically indicates a moisture or environmental issue.
No Flowers / Won't Bloom
When a flowering plant refuses to bloom, it usually lacks a key environmental trigger such as light, temperature differential, or maturity.
Sticky Leaves
A sticky residue on leaves is almost always honeydew — a sugary waste product excreted by sap-sucking insects. This requires investigation.
Black Spots
Black spots on leaves can indicate fungal disease, bacterial infection, or severe environmental stress. The cause matters for treatment.
Stem Rot
Stem rot is a serious condition where the stem tissue decays, often starting at the soil line. It requires immediate intervention.
Spider Mites
Spider mites are tiny arachnids that suck plant sap, causing stippled, discolored leaves. They thrive in warm, dry conditions and can multiply rapidly.
Fungus Gnats
Fungus gnats are small, dark flies that hover around houseplant soil. While adults are mostly a nuisance, larvae can damage roots in large numbers.
Mealybugs
Mealybugs are soft-bodied, sap-sucking insects covered in a white, waxy coating. They cluster in leaf joints, on stems, and under leaves.
Scale Insects
Scale insects appear as small, immobile bumps on stems and leaves. They hide beneath a protective shell-like covering while feeding on plant sap.
Aphids
Aphids are small, soft-bodied insects that cluster on new growth and leaf undersides, sucking sap and excreting sticky honeydew.
Overwatering Signs
Overwatering is the most common cause of houseplant death. It deprives roots of oxygen and creates conditions for rot and disease.
Underwatering Signs
While less dangerous than overwatering, chronic underwatering stresses plants and leads to poor growth, wilting, and leaf damage over time.
Nutrient Deficiency
Plants need various macro and micronutrients. Deficiency symptoms vary by nutrient but generally show as discoloration, poor growth, or abnormal leaf development.
Transplant Shock
After repotting or being moved to a new environment, plants may show signs of stress as they adjust. This is usually temporary.
Can't identify the problem?
Snap a photo and let the GrowBook app diagnose your plant.
Snap a Photo to Diagnose