A philodendron droops when its leaves are short of water, and the soil tells you why. Dry soil with a light pot is thirst. Wet soil with yellowing is roots that cannot take water up. Drooping after a move or repot is shock. Drooping on the window side in summer is heat, and sudden drooping in winter is cold. A vining philodendron flopping over with firm leaves is only missing a support.
What the droop tells you
| What you see | Most likely cause | Check this first |
|---|---|---|
| Leaves limp and folding, soil dry to the bottom, pot light | Underwatering | Soil; pot weight |
| Leaves limp with yellowing lower leaves, soil wet days after watering, sour smell | Overwatering and root rot | Root check |
| Drooping within days of a move or repot, soil normal | Shock from a change | Recent handling |
| Drooping on hot afternoons, recovering by evening | Heat and direct sun | Hours of direct light; room temperature |
| Sudden drooping after a cold night or a draught | Cold | Where the plant sat |
| Long vines flopping with firm healthy leaves | No support | Whether the plant is climbing anything |
| Drooping with sticky residue or webbing | Pests | Undersides of leaves and stems |
Underwatering
A dry philodendron folds and hangs its leaves over soil that is dry to the bottom and shrunk from the pot. What to do: water thoroughly until it drains, rewet from below if the soil has shrunk, and afterwards water whenever the top few centimetres are dry, checked by finger. The plant stands up within a day.
Overwatering and root rot
In soil that stays wet, the roots rot and cannot take water up, so the plant droops in a wet pot while the lower leaves yellow and the soil smells sour. What to do: slide the plant out. Healthy roots are pale and firm; rotted ones are brown and mushy. Trim the rot, repot in fresh airy mix in a pot with drainage, and water only when the top few centimetres are dry. A badly rotted plant can be restarted from stem cuttings with a node, rooted in water.
Shock from a change
A philodendron moved to a new room, repotted or brought home from a shop droops for a week or two while it adjusts. What to do: keep it in one spot with normal watering and wait.
Heat and direct sun
On hot afternoons in direct sun the leaves lose water faster than the roots supply it and droop, recovering by evening. What to do: move the plant back from the glass or filter the light.
Cold
Below about 12 degrees Celsius, or in a draught from a door or window, a philodendron droops suddenly and may drop leaves. What to do: move it to a warm spot away from draughts.
No support
Climbing philodendrons flop under their own weight when nothing holds them, with every leaf firm. What to do: give them a moss pole or trellis and tie the stems loosely; the leaves grow larger once the plant climbs.
Pests
Mealybugs, scale and spider mites weaken a plant until it droops, with sticky residue, white fluff or webbing on stems and leaf undersides. What to do: wipe with a damp cloth weekly, rinse under the shower, and treat with insecticidal soap for a month.
What to do today, by cause
- Underwatering: soak thoroughly, rewet from below if needed, check by finger.
- Overwatering: unpot, trim rot, repot in airy mix, water only when the top is dry.
- Shock: wait in one spot.
- Heat: move back from the glass.
- Cold: move to a warm spot.
- No support: give it a pole and tie loosely.
- Pests: wipe and rinse weekly.
Frequently asked questions
Will a drooping philodendron recover?
A thirsty one stands up within a day of watering. One drooping from shock or cold recovers within a week or two in a stable warm spot. One with rotted roots recovers only after the rot is cut away and it is repotted, or from cuttings.
Why is my philodendron drooping after watering?
Because the roots are damaged and cannot take up the water. Slide the plant out and check: brown mushy roots and sour soil mean rot. Trim and repot in airy mix.
Why is my philodendron drooping after repotting?
Repotting disturbs the roots and the plant droops for a week or two while they recover. Keep it in one spot, water when the top of the soil is dry, and wait.
How do I know if my philodendron is overwatered or underwatered?
Feel the soil. Dry to the bottom with a light pot is underwatering; wet days after watering with yellowing lower leaves is overwatering.