Plant rescue.
A plant in trouble is usually fixable if you catch it early and do the right thing. Find the problem that matches your plant below, then follow the steps. When in doubt, the single most useful move is almost always to stop watering.
🌊 Overwatered plant / root rot
Signs
- Yellowing lower leaves
- Soft, mushy or blackened stems
- Soil stays wet for days
- Fungus gnats
- A sour smell from the pot
Roots sitting in soggy soil cannot get oxygen, so they suffocate and rot. Overwatering, not underwatering, is the most common way houseplants die.
What to do
- Stop watering immediately and move the plant out of any decorative pot with no drainage.
- Slide the plant out and look at the roots. Healthy roots are firm and pale; rotten ones are brown, black, mushy or smelly.
- Cut away all soft, dark roots with clean scissors until only firm root remains.
- Repot into fresh, well-draining mix in a pot with drainage holes, only slightly larger than the roots.
- Water lightly, then wait until the top few centimetres are dry before watering again. Give it bright, indirect light and patience.
Prevent it: Always use a pot with drainage, check the soil with a finger before watering, and empty the saucer after 20 minutes.
🏜️ Underwatered / bone-dry plant
Signs
- Crispy, curling leaf edges
- Wilting or drooping that perks up after water
- Soil pulled away from the pot sides
- Dry, dusty compost
- Slow or stalled growth
The soil has dried out completely, and once it does many mixes turn hydrophobic - water runs down the sides and straight out without wetting the roots.
What to do
- Move the plant somewhere out of direct sun so it is not stressed further while it recovers.
- Bottom-water it: stand the pot in a few centimetres of water for 20-30 minutes so the soil soaks up moisture evenly.
- If the compost is very dry and repelling water, sit it in water a little longer, or gently loosen the surface first.
- Let it drain fully, then trim off any fully crispy, dead leaves - they will not recover.
- Return it to its spot and settle into a regular check, watering when the top of the soil is dry.
Prevent it: Set a reminder to check plants weekly, and bottom-water anything that has dried out hard rather than splashing from the top.
🕯️ Leggy / stretched plant
Signs
- Long gaps between leaves
- Stems leaning hard toward the window
- Pale, small new leaves
- Weak, floppy growth
- Lost variegation
The plant is not getting enough light, so it stretches (etiolates) toward the nearest source, growing long and sparse instead of full and compact.
What to do
- Move it to the brightest spot you have that suits the plant - usually close to a bright, indirect window.
- Rotate the pot a quarter turn every few days so it grows evenly rather than leaning.
- Prune the leggiest stems back to a node; most houseplants respond by branching into bushier growth.
- Use the healthy cuttings to propagate - leggy growth is the perfect excuse to make new plants.
- If no window is bright enough, consider a simple grow light for the darker months.
Prevent it: Match the plant to the light it actually needs, and move plants closer to the window as daylight shortens in autumn.
🔥 Sunburned / scorched plant
Signs
- Bleached, faded or white patches
- Dry, crispy brown spots on the sun-facing side
- Damage on the most exposed leaves only
- Sudden onset after a move or a heatwave
Too much direct sun, often after moving a plant into a brighter spot without acclimating it, scorches the leaf tissue. The damage is permanent on affected leaves.
What to do
- Move the plant out of direct sun to a spot with bright but indirect light.
- Do not cut off every marked leaf at once - even a scorched leaf still feeds the plant. Remove only fully dead, crispy ones.
- Water normally and let it settle; new growth will come in undamaged.
- When you do want it in a brighter position, acclimate it over one to two weeks, adding a little more light each day.
Prevent it: Introduce brighter light gradually, and keep sensitive plants back from glass that catches harsh midday sun.
🐛 Pest emergency
Signs
- Fine webbing (spider mites)
- White cottony spots (mealybugs)
- Sticky residue on leaves (scale, aphids)
- Clouds of small flies (fungus gnats)
- Stippled, speckled or distorted leaves
Common sap-sucking pests spread fast in the warm, still air of a home and can jump between plants, so act quickly and isolate.
What to do
- Isolate the affected plant away from the others straight away to stop the spread.
- Wipe leaves, stems and leaf joints with a cloth dipped in soapy water or diluted insecticidal soap, top and underside.
- For heavier infestations, rinse the plant in the shower, then treat weekly with insecticidal soap or neem until clear.
- Fungus gnats live in wet soil - let the top of the soil dry out fully between waterings and they usually disappear.
- Keep the plant isolated and re-check every few days for a few weeks, since eggs hatch in waves.
Prevent it: Check new plants before bringing them in, inspect leaf undersides now and then, and avoid keeping soil constantly wet.
😵 Repotting shock / general decline
Signs
- Sudden wilting or leaf drop after a move or repot
- A general sulk with no single obvious cause
- Slowed growth after a change in conditions
Plants dislike sudden change. A repot, a new room, a draught or a big temperature swing can all cause a plant to drop leaves and sulk while it adjusts.
What to do
- Do not pile on fixes. Put the plant somewhere stable with steady, bright, indirect light and leave it be.
- Water only when it needs it, and hold off on feeding until you see new growth.
- Check the obvious basics one at a time: drainage, light, draughts and temperature.
- Give it two to four weeks. Most sulking plants recover once conditions are steady - resist the urge to keep moving it.
Prevent it: Change one thing at a time, keep plants away from radiators and cold draughts, and only repot when a plant is genuinely pot-bound.
Once it is back on its feet, keep it that way: match plants to your light with the plant finder, browse the easy-care beginner-proof collection, and turn healthy plants into more with the propagation guide.