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.

Real green-leaved plant with exposed brown and pale roots

Brown Roots and Green Leaves: What to Check

Brown roots do not always mean rot. Learn how to check root texture, smell, soil, symptoms, drainage, and when repotting is justified.

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Real houseplant leaf with raised corky edema spots

Houseplant Edema: Why Leaves Blister and What to Do

Houseplant edema causes water-soaked blisters and corky spots. Learn what it is, what to change, and how to judge recovery by new growth.

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Real powdery mildew coating leaves and a flower on a green plant

Powdery Mildew on Houseplants: Causes and Next Steps

Identify powdery mildew on houseplants, separate it from look-alikes, remove affected foliage, improve airflow, and choose label-safe treatment.

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Real aphids clustered on the underside of a green leaf

Aphids on Houseplants: What to Check and How to Respond

Learn how to identify aphids on houseplants, inspect new growth, clean honeydew, choose label-safe control, and stop them spreading.

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Real silverleaf whitefly adults and immature stages on a green leaf

Whiteflies on Houseplants: Identification and Control

Learn how to identify whiteflies on houseplants, find hidden nymphs, isolate the plant, use traps and label-safe treatment, and prevent spread.

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Real mealybugs clustered at the leaf joint of a yellow hibiscus plant

Why Do Houseplant Pests Keep Coming Back?

Houseplant pests return when hidden stages, nearby plants, new arrivals, or favorable conditions escape treatment. Use a repeatable check to break the cycle.

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Real kale stem cut open to show wet, mushy bacterial soft rot tissue used as a diagnostic example

Why Are My Houseplant Stems Turning Soft?

Soft stems can mean rot, wet roots, cold damage, low light, or simple flopping. Check the base, roots, and tissue before cutting.

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Real mango leaf with multiple dark leaf spots used as a visual example for plant diagnosis

Houseplant Leaf Spots: Damage, Disease, or Pests?

Separate houseplant leaf spots from pests, disease, sun, cold, and root stress, then choose the safest first response.

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Real Monstera leaf with broad pale brown scorch damage across green tissue

Houseplant Leaf Scorch: Causes and What to Do

Learn how to identify houseplant leaf scorch, separate sun, heat, salt, water, and root stress, and stop new damage without cutting healthy growth.

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A real wilted potted houseplant with limp green and yellow leaves beside a window

Why Is My Houseplant Wilting When the Soil Is Wet?

A wet-soil wilt is not a signal to add water. Check drainage, roots, heat, pests, and dry pockets, then choose the safest recovery step.

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Real English ivy foliage with a yellowing lower leaf in an indoor pot

English Ivy Leaves Turning Yellow: Causes and Fixes

Diagnose yellow English ivy leaves by checking leaf age, wet or dry soil, roots, light, pests, leaf spots, nutrients, and recent changes.

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Real Philodendron foliage used as a healthy green reference when diagnosing yellow leaves

Why Are My Philodendron Leaves Turning Yellow?

Diagnose yellow Philodendron leaves by checking leaf age, wet or dry soil, roots, light, pests, nutrients, and recent changes.

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A real drooping coleus houseplant with limp leaves

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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A real Pilea houseplant leaf with black spots

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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A real Fittonia houseplant with pale washed-out leaves in a pot

Why Houseplant Leaves Look Pale or Washed Out

Diagnose pale or washed-out houseplant leaves by checking normal growth, variegation, light, roots, water stress, fertilizer salts, and pests.

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Real small potted houseplants arranged on a tabletop

Why Your Houseplant Is Not Growing

Diagnose slow houseplant growth by checking season, light, roots, watering, pot size, soil, fertilizer, pests, and realistic plant speed.

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Real potted houseplants grouped together after repotting

Why Houseplant Leaves Turn Yellow After Repotting

Diagnose yellow houseplant leaves after repotting by checking settling stress, roots, wet mix, dry pockets, pot size, light, and fertilizer timing.

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A real wilted potted plant with dry curled leaves

Overwatered vs Underwatered Plants: Key Signs

Tell overwatered and underwatered houseplants apart by checking soil depth, pot weight, roots, leaf texture, drainage, and recovery signs.

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A real fungus growing from potting mix in an indoor plant pot

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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A real close-up of a pale thrips insect on a green leaf

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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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