Growli

Plant care

Monstera (Swiss cheese plant) care

Monstera deliciosa

Also called Swiss cheese plant, Mexican breadfruit, split-leaf philodendron.

RHS H1b (heated greenhouse / indoor only)USDA 10-12Toxic to petsIndoor Indoors 2-3 m up a moss pole

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Chunky aroid mix

Humidity

50-60%

Temp

18-27°C

Pet safety

Toxic to pets

Mature size

Indoors 2-3 m up a moss pole

Care at a glance

Light

Bright but filtered. Monstera burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. 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 only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering monstera: when the top 2-3 cm of soil is dry, roughly every 7-10 days. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. 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.

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 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 care — frequently asked questions

What is the common name for Monstera deliciosa?

Monstera deliciosa is most commonly called Monstera, but it is also known as Swiss cheese plant, Mexican breadfruit, split-leaf philodendron. The names refer to the same species, so care instructions for Monstera apply identically to anything sold as Swiss cheese plant.

How much light does monstera need?

Monstera grows best in bright indirect light (just back from a sunny window). 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.

How often should I water monstera?

Water monstera when the top 2-3 cm of soil is dry, roughly every 7-10 days. 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. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is monstera toxic to cats and dogs?

Monstera is 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.

What USDA hardiness zone does monstera grow in?

Monstera is rated for USDA zone 10-12 (indoor-only in most US homes) and RHS hardiness H1b (heated greenhouse / indoor only). Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Monstera deep-dive guides

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

Featured in these plant shortlists

Monstera qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

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