Monstera Care Guide: How to Grow Healthy Swiss Cheese Plants Indoors

Quick answer: Monstera plants grow best in bright indirect light, warm indoor temperatures, moderate to high humidity, and a chunky well-draining potting mix. Water thoroughly, then let the top part of the soil dry before watering again. Give mature plants a moss pole, trellis, or sturdy support so the climbing stems do not break.

Monsteras are tropical climbing plants known for large glossy leaves with splits and holes, called fenestrations. The most common indoor species is Monstera deliciosa, also called Swiss cheese plant, ceriman, Mexican breadfruit, hurricane plant, or split-leaf philodendron, though it is not a true philodendron.

Monstera Care Cheat Sheet

These care targets are supported by RHS, NC State Extension, Wisconsin Extension, University of Minnesota Extension, Missouri Botanical Garden, NDSU Extension, UF/IFAS, ASPCA, and Kew.

Light: Bright Indirect Light Builds Bigger Leaves

Place your monstera near an east-facing or west-facing window, or in a bright room where the plant receives strong filtered light. Direct hot sun can scorch the leaves, while very low light can slow growth and reduce leaf holes.

Variegated monsteras, such as Monstera deliciosa ‘Albo Variegata’ and ‘Thai Constellation’, usually need brighter light than fully green plants because their white or cream leaf sections contain less chlorophyll. NC State notes that variegated cultivars need more sunlight than darker green cultivars.

Watering: Water Deeply, Then Let It Dry Partway

Water your monstera thoroughly until water drains from the bottom of the pot. Then wait until the top portion of the soil dries before watering again. RHS says to let the compost become almost dry before watering and to water slightly less often in winter.

Do not keep a monstera sitting in water. Wet, poorly drained soil can cause root rot and plant collapse. If the leaves yellow while the soil is wet, overwatering or poor drainage is the first thing to check.

Soil: Use a Chunky, Well-Draining Mix

Monsteras need moisture, but they do not tolerate flooded or soggy soil. Use a loose mix that holds some water while allowing oxygen around the roots.

A simple monstera soil recipe:

2 parts indoor potting mix + 1 part orchid bark + 1 part perlite

For larger plants, add extra bark or coarse material to keep the mix open. RHS recommends a mix that drains well and warns that roots can rot in poorly draining compost.

Potting and Repotting

Use a pot with drainage holes. Repot when roots fill the pot, the plant dries too quickly, or the plant becomes top-heavy. Move up only one pot size at a time so the soil does not stay wet for too long.

Monsteras can become large indoors. NC State says indoor plants often reach 6–8 feet, while Missouri Botanical Garden also lists indoor growth around 6–8 feet. Mature plants need enough root room, a heavy enough pot, and support to prevent tipping or stem breakage.

Temperature and Humidity

Keep monsteras warm and away from cold drafts, heating vents, and radiators. RHS recommends 65–77°F, while NC State lists a warm indoor range of 60–85°F. Wisconsin Extension notes that plants do not grow below 50°F and frost will kill them.

Humidity helps monsteras grow better. Dry indoor air can cause brown leaf edges. Use a humidifier, group tropical plants together, or place the pot above a pebble tray without letting the pot sit in water.

Moss Poles, Trellises, and Aerial Roots

Monsteras are climbing vines. In nature, they attach to trees using aerial roots. Indoors, give mature plants a moss pole, trellis, plank, or sturdy stake.

A supported monstera often produces larger, more mature leaves with more fenestrations. RHS notes that once a Swiss cheese plant “feels” it is climbing, it often produces larger leaves with more holes.

Do not panic over aerial roots. You can guide lower aerial roots into the potting mix or onto a moss pole. Missouri Botanical Garden notes that lower aerial roots can be rooted into the soil to help nourish the plant, while upper aerial roots can be attached to support or removed.

Fertilizer

Feed monstera during active growth, usually spring through early fall. RHS recommends a balanced liquid fertilizer during the growing season from April to September. Reduce or stop feeding in winter when growth slows.

Do not overfertilize a stressed plant. If leaves are yellowing, soil is wet, or roots are damaged, fix light, drainage, and watering first.

Pruning and Cleaning

Prune in spring if the plant is too large, damaged, or unbalanced. Cut just above a node if you want the stem to branch or if you plan to propagate the cutting. RHS notes that hard pruning can lead to smaller new leaves with fewer holes until the plant settles again.

Wipe the leaves regularly with a damp cloth. Large monstera leaves collect dust, which reduces light absorption and can hide pests. RHS and NDSU both recommend cleaning leaves to keep plants healthy.

Monstera Propagation

The best way to propagate monstera is by stem cuttings. Each cutting must include a node, which is the point on the stem where new roots and shoots can form. A leaf or petiole with no node will not grow into a new monstera vine.

Basic propagation steps:

1. Find a healthy stem with at least one node.
2. Cut 1–2 inches below the node.
3. Root the cutting in water, perlite, or moist potting mix.
4. Keep it warm and bright, but out of harsh direct sun.
5. Pot it once roots are developed.

University of Minnesota Extension notes that propagated nodes may take 2–3 months before forming new leaves, so patience is normal.

Common Monstera Problems

Yellow leaves: Usually caused by overwatering, poor drainage, low light, cold stress, or root damage. Check soil moisture and drainage first.

Brown leaf edges: Often linked to low humidity, underwatering, salt buildup, or inconsistent watering. Wisconsin Extension notes that low humidity can turn leaf edges brown.

No holes in leaves: Young monstera leaves naturally have fewer holes. Mature leaves develop more fenestrations with age, stronger light, and climbing support.

Drooping leaves: Usually water stress. Check whether the soil is bone dry or staying wet. Dry soil points to underwatering; wet soil points to overwatering or root trouble.

Pests: Watch for aphids, mealybugs, thrips, scale, and spider mites. Missouri Botanical Garden lists these as monstera pests, and Wisconsin Extension also notes aphids, mealybugs, scale insects, and spider mites indoors.

Mealybugs or scale: Isolate the plant, remove visible pests, and treat according to labeled indoor plant directions. University of Minnesota Extension recommends physical removal methods such as cotton swabs dipped in alcohol for mealybugs and manual removal for small numbers of scale.

Is Monstera Toxic to Cats, Dogs, and People?

Yes. Monstera deliciosa is toxic if chewed or eaten. ASPCA lists Swiss cheese plant as toxic to dogs and cats because it contains insoluble calcium oxalates, which can cause mouth irritation, drooling, vomiting, and difficulty swallowing.

NC State also lists Monstera deliciosa as poisonous to humans with low severity poison characteristics and notes that sap may cause skin irritation. Keep monstera plants away from pets and children.

Outdoor Warning for Florida Growers

In Florida, keep monstera contained and do not let it escape into natural areas. UF/IFAS currently rates Monstera deliciosa as High Invasion Risk and not recommended by IFAS under its assessment system.

Final Care Rule

The best monstera care is simple: bright indirect light, chunky soil, deep but controlled watering, warm temperatures, humidity, and strong support. Give the plant room to climb, avoid soggy soil, and propagate only from cuttings with nodes.