Monstera (Swiss cheese plant) care

Light

Monstera thrives in bright indirect light — the conditions just back from a sunny window, with plenty of ambient brightness but rarely any direct rays on the leaves themselves. Bright, indirect light is the sweet spot. A spot a metre back from a south or east window, or directly in front of a north window, produces the strongest fenestration. Direct midday sun scorches leaves; deep shade keeps leaves small and solid. If you are not sure whether your spot is bright enough, a free phone lux-meter app at midday is the quickest way to check; aim for 800-1,500 lux.

Watering

Water monstera when the top 2-3 cm of soil is dry, roughly every 7-10 days. The actual day count varies with pot size, light level, and the season — the finger test (or, better, lifting the pot to feel its weight) is more reliable than a calendar. Empty any drainage saucer after watering so the pot is never sitting in water. Monstera roots store moisture but rot easily in soggy soil. Wait until the top knuckle of soil is dry, then water deeply until liquid runs from the drainage hole. In low light or winter dormancy that stretch can be 2-3 weeks.

Soil and pot

Monstera grows best in chunky aroid mix. Mix two parts standard potting compost with one part orchid bark, one part perlite, and a handful of horticultural charcoal. Aroid roots need air pockets as much as they need water. A 5-litre pot with at least one drainage hole is plenty for a young plant. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Monstera sits happiest at around 50-60% humidity and 18-27°C (65-80°F). Tolerates 40% but fenestrates more reliably above 50%. A pebble tray, grouping with other plants, or a small humidifier in winter is enough. If you keep the room above 18 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed monstera sparingly. Balanced liquid feed at half strength every 4 weeks from spring to early autumn; skip in winter. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on monstera in the Growli community. Where a problem matches one of our diagnostic guides, click through for the full step-by-step recovery plan written for monstera specifically.

• Yellow leaves — Almost always overwatering or root rot.
• Brown spots and crispy edges — Low humidity or tap-water minerals.
• No new growth or no fenestrations — Insufficient light is the usual cause.
• Drooping stems — Either underwatering or rotted roots — check the soil first.
• Leggy growth with small leaves — Same fix as no fenestrations — more light, plus a moss pole.

Companion plants

Monstera pairs well with Pothos, Philodendron, Snake plant, and Calathea. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Cut a stem just below a node that includes an aerial root, then root in water or sphagnum moss for 3-6 weeks before potting in chunky aroid mix. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Monstera is mildly toxic to pets. Listed by the ASPCA as toxic to cats and dogs due to insoluble calcium oxalate crystals. Chewing causes oral irritation, drooling and rarely vomiting. Keep cuttings out of reach during propagation. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Monstera deep-dive guides

Every aspect of monstera care, each with its own calibrated guide:

• Monstera watering schedule
• Monstera light requirements
• Best soil mix for monstera
• Monstera fertilizing guide
• When to repot monstera
• How to propagate monstera
• Monstera growth rate & size
• Monstera cold hardiness
• Monstera temperature & humidity
• Is monstera toxic to cats & dogs?

Related guides

Monstera is also known as Swiss cheese plant, Mexican breadfruit, and split-leaf philodendron.

• Monstera care — the deep-write article with seasonal care notes
• Diagnose monstera symptoms — yellow leaves, drooping, brown spots, and more
• Pothos care — light, water and common problems
• Fiddle leaf fig care — light, water and common problems
• Philodendron care — light, water and common problems
• All 200 plant care guides in the Growli library