Pothos

About Pothos

Pothos is a vigorous tropical climber native to the Solomon Islands, prized for its heart-shaped, glossy green leaves splashed with golden-yellow variegation. In UK homes, it thrives as an easy-care trailing or climbing houseplant, tolerating low light and occasional neglect better than most indoor plants. Its rapid growth and air-purifying qualities make it a staple in British homes, offices, and conservatories. The cascading vines can reach several metres indoors, making it ideal for hanging baskets or training up moss poles.

UK fact: Pothos became a popular houseplant in British homes during the 1970s houseplant boom and remains one of the most frequently purchased indoor plants at UK garden centres, valued for its ability to thrive in centrally heated homes with limited natural light.

Watering Pothos

Allow the compost to dry out partially between waterings, as pothos is susceptible to root rot in waterlogged conditions. In centrally heated UK homes during winter, check moisture levels fortnightly rather than weekly. Water thoroughly until excess drains from the bottom, then empty the saucer to prevent the roots sitting in water. Reduce watering significantly from October to March when growth slows. Yellowing leaves often indicate overwatering, whilst brown, crispy edges suggest underwatering or low humidity.

Sunlight requirements

Position your pothos within 1–3 metres of a north or east-facing window for optimal growth in UK homes. Avoid direct sunlight, particularly through south-facing windows during summer, as this can scorch the leaves. In darker rooms, the plant will survive but grow more slowly with less pronounced variegation; rotate the pot monthly to ensure even growth.

Soil and feeding

Pothos prefers a loose, well-aerated growing medium with a slightly acidic to neutral pH of 6.0–7.0. A standard peat-free multipurpose compost works well, but improve drainage by mixing in 20–30% perlite, vermiculite, or fine orchid bark. Good drainage is essential to prevent root rot, particularly in the UK's cooler months when evaporation rates are lower. Repot every 2–3 years in spring, moving up one pot size when roots fill the container.

Apply a balanced liquid fertiliser (such as 10-10-10 NPK) at half the recommended strength every 4 weeks during the growing season. Avoid feeding from October to March when the plant is semi-dormant. Overfertilising can cause salt build-up and brown leaf tips, so err on the side of caution with UK houseplants that receive less light than their tropical counterparts.

Pruning Pothos

Pothos responds well to pruning and can be trimmed throughout the year to maintain shape and promote branching. Cut stems just above a leaf node using clean, sharp secateurs to encourage new growth from that point. Remove any yellowing or damaged leaves promptly to maintain plant health. If your pothos becomes leggy with long gaps between leaves (common in low light), cut back stems by up to half their length in spring to rejuvenate the plant and stimulate fuller growth.

Propagating Pothos

Pothos is one of the easiest houseplants to propagate, making it ideal for sharing with friends or expanding your collection. Take stem cuttings of 10–15 cm length in spring or summer, ensuring each cutting has at least 3–4 leaves and one or two nodes. Cuttings root readily in water or directly in compost, with water propagation allowing you to watch root development. Once roots reach 5–8 cm long, pot up into small containers with houseplant compost.

Common problems

Pothos is generally pest-free but can occasionally suffer from mealybugs, scale insects, or spider mites, particularly in warm, dry UK homes with central heating. Check leaf axils and undersides regularly, treating infestations with insecticidal soap or neem oil. Root rot is the most common problem, caused by overwatering or poor drainage; affected plants develop yellowing leaves and mushy, brown roots. Brown leaf tips typically indicate low humidity, underwatering, or fluoride in tap water (use filtered or rainwater if this persists). Leggy growth with small, pale leaves signals insufficient light.

Spot a problem with your plant? Photograph the affected area using the Loam app and it will suggest the most likely cause and treatment.

Safety

Humans

Toxic

Contains calcium oxalate crystals that can cause mouth and throat irritation, swelling, and difficulty swallowing if ingested. Keep out of reach of children.

Cats

Toxic

Toxic to cats. Ingestion causes oral irritation, excessive drooling, vomiting, and difficulty swallowing due to calcium oxalate crystals. Seek veterinary advice if consumed.

Dogs

Toxic

Toxic to dogs. Causes oral irritation, drooling, vomiting, and difficulty swallowing. Contact your vet immediately if your dog chews or ingests any part of the plant.

Toxicity information is for general guidance only. If a person or pet has been exposed to this plant and you are concerned, seek advice from a medical professional or vet.

Seasonal care calendar

Monthly care guide for Pothos in the UK, based on average conditions.

Frequently asked questions

Why are my pothos leaves turning yellow?

Yellow leaves typically indicate overwatering, particularly in UK winter when growth slows. Allow the top 5 cm of compost to dry between waterings and ensure pots have drainage holes. Occasionally, yellowing can signal underwatering or natural leaf ageing; check compost moisture and remove old leaves at the base.

How do I know if my pothos has root rot or just needs watering?

Root rot and underwatering can both cause drooping leaves, making diagnosis tricky. Check the compost: if it's soggy and the plant is wilting, suspect root rot. If it's bone dry, it needs water. Look for mushy brown stems at the base or a foul smell indicating rot. The Loam app can help you diagnose plant problems through photos and track your watering schedule to prevent these issues recurring.

When should I repot my pothos and what compost should I use?

Repot pothos every 2-3 years in spring when roots emerge from drainage holes or growth slows despite good care. Choose a pot only 2-3 cm larger to prevent overwatering. Use a well-draining houseplant compost or mix standard multipurpose compost with perlite (3:1 ratio). Pothos aren't fussy but despise sitting in waterlogged compost, so ensure the new pot has drainage holes.

Related plants

• Philodendron
• Monstera
• Spider Plant
• Chinese Evergreen
• Dracaena