Plant problem guides
Common houseplant problems
A visible symptom can have more than one cause. Start with a careful check, then take the smallest useful action.
Houseplant problem diagnosis guides
Find likely causes and practical next steps for yellow leaves, brown tips, curling, drooping, pests, root rot, and slow growth.
Diagnosis
Why Houseplant Leaves Droop: A Practical Check
A practical diagnosis for drooping houseplant leaves, from dry soil and wet roots to heat, cold, light, pests, repotting stress, and normal daily movement.
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Diagnosis
Why Houseplant Leaves Turn Black
A practical diagnosis for black houseplant leaves, from mushy rot and leaf spots to dry tips, sooty mold, pest frass, cold damage, and recovery steps.
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Diagnosis
Why Houseplant Leaves Look Pale or Washed Out
A practical diagnosis for pale, faded, bleached, or washed-out houseplant leaves, from normal new growth and variegation to light, roots, fertilizer salts, and pests.
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Diagnosis
Why Your Houseplant Is Not Growing
A practical slow-growth diagnosis for houseplants, from normal seasonal pauses and low light to roots, water, pot size, soil, fertilizer, pests, and plant expectations.
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Diagnosis
Why Houseplant Leaves Turn Yellow After Repotting
A practical after-repotting diagnosis for yellow houseplant leaves, from normal settling and root shock to wet mix, dry root balls, oversized pots, light changes, and fertilizer timing.
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Comparison
Overwatered vs Underwatered Plants: How to Tell the Difference
A practical comparison guide for telling overwatered and underwatered houseplants apart by checking soil depth, pot weight, roots, leaf texture, and recovery signs.
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Diagnosis
White Mold on Houseplant Soil: What It Means and When to Act
A practical diagnosis guide for white growth on houseplant soil, from surface fungi and salt crust to wet mix, fungus gnats, drainage, and root rot warnings.
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Pest guide
Thrips on Houseplants: Damage Signs and What to Do
A practical pest guide for spotting thrips on houseplants, reading silvery scars and black specks, isolating plants, and preventing spread.
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Pest guide
Scale Insects on Houseplants: How to Spot and Manage Them
A practical pest guide for spotting scale insects on houseplants, separating soft and armored scale, removing visible insects, and preventing spread.
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Pest guide
Spider Mites on Houseplants: Signs and First Steps
A practical pest guide for confirming spider mites on houseplants, isolating the plant, washing undersides, choosing safer treatments, and preventing spread.
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Pest guide
How to Identify and Treat Mealybugs on Houseplants
A practical pest guide for identifying cottony mealybugs, isolating houseplants, removing visible colonies, choosing safer treatments, and preventing spread.
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Pest guide
Sticky Leaves on Houseplants: Causes and What to Do
A practical pest guide for sticky houseplant leaves, from honeydew and likely pests to non-pest causes, cleaning, and prevention.
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Pest guide
Fungus Gnats in Houseplants: Stop the Cycle
A practical pest guide for fungus gnats in houseplants, from damp-soil causes and larvae to sticky traps, Bti, watering, and prevention.
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Diagnosis
How to Tell If a Houseplant Has Root Rot
A practical diagnosis guide for houseplant root rot, from wet soil and mushy roots to salvage decisions, repotting, aftercare, and prevention.
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Diagnosis
Why Houseplants Drop Leaves After You Bring Them Home
A practical diagnosis guide for new-home houseplant leaf drop, from normal adjustment to water, roots, light, drafts, pests, and recovery.
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Diagnosis
Why Houseplant Leaves Curl: Light, Water, and Pests
A practical diagnosis guide for curled houseplant leaves, from dry soil and wet roots to light, heat, cold, humidity, pests, and potting mix.
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Diagnosis
Why Houseplant Leaf Tips Turn Brown
A practical diagnosis guide for brown houseplant leaf tips, from dry air and watering swings to wet roots, fertilizer salts, light, heat, and drafts.
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Diagnosis
Houseplant Leaves Turning Yellow: A Step-by-Step Check
A practical diagnosis guide for yellow houseplant leaves, from old foliage and wet roots to dry soil, light stress, pests, fertilizer, and recent changes.
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Diagnosis
Monstera Leaves Turning Yellow: Causes and Fixes
A practical diagnosis guide for yellow Monstera leaves, from old foliage and wet roots to dry soil, light stress, pests, fertilizer, and repotting stress.
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Diagnosis
Why Is My Peace Lily Drooping? Causes and Fixes
A practical diagnosis guide for drooping peace lily leaves, from dry soil and wet roots to repotting stress, light, temperature, and pests.
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Diagnosis
Spider Plant Brown Tips: Causes and Fixes
A practical diagnosis guide for spider plant brown tips, from dry soil and tap water to fertilizer, sun, and wet roots.
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Diagnosis
Pothos Leaves Falling After Repotting: What Is Normal
A practical after-repotting guide for pothos leaf drop, drooping, root shock, water, pot size, light, and recovery.
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Diagnosis
Pothos Leaves Turning Yellow: Causes and Fixes
A practical diagnosis guide for yellow pothos leaves, from old foliage to wet roots, dry soil, light changes, pests, and fertilizer stress.
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Diagnosis
Why Are Snake Plant Leaves Soft or Mushy?
A practical diagnosis guide for wet roots, rot, cold injury, and what can still be saved.
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Diagnosis
Snake Plant Leaves Curling: Causes and What to Do
A practical diagnosis guide for dry soil, wet roots, pests, cold stress, and light changes.
Read guideLeaf changes
Yellowing, browning, curling, and leaf drop.
02Water and roots
Overwatering, underwatering, and root health.
03Pests
Find likely culprits before treatment.
04Growth and stress
Light, soil, nutrients, and adjustment stress.
Leaf changes
Leaf color, edges, texture, and where the change begins can provide useful clues. Diagnosis guides separate natural ageing from a care or environment issue.
- Yellow leaves
- Brown tips
- Leaf curling
- Leaf drop
Water and roots
Watering problems are often made worse by guessing. Start with the soil, drainage, roots, pot size, and changes in the growing environment.
- Root rot signs
- Overwatered vs underwatered
- Soil staying wet
- Repotting stress
Pests
Common indoor pests can look similar at first. Guides focus on safe identification, plant condition, and prevention rather than one-size-fits-all treatment.
- Fungus gnats
- Mealybugs
- Spider mites
- Scale insects
Slow growth and pale leaves
Plants can slow down because of seasonal light, low energy, compacted soil, roots, or acclimation. Identify the limiting condition before adding fertilizer.
- Plants not growing
- Pale foliage
- Low-light stress
- Root-bound plants
Find the condition behind the symptom
A diagnosis is more useful when it connects to the plant's normal care and the growing conditions around it.