ADULTPLANTS

Swiss cheese vine

Monstera adansonii

Family Araceae Native to Central and South America Habitat tropical understory Also sold as Monstera obliqua

Swiss cheese vine wants bright indirect light and water every 6 to 11 days, once the top inch is dry. Toxic to cats, dogs, and humans. It climbs: without support its leaves stay small.

Swiss cheese vine (Monstera adansonii)
Monstera adansonii. Photograph by Walter Hood Fitch, via Wikimedia Commons, Public domain.
Light
Bright indirect
LowMediumBright indirectDirect
An east window, or three feet back from a south one. The holes appear on mature growth in good light and not before.
Water
Every 6–11 days
Baseline for a 6-inch pot indoors. Check first: water when the top inch is dry, not on a schedule.
Humidity
50% and up
Wants 65%. Struggles in dry winter air.
Temperature
65–85°F
Keep away from winter window glass and heating vents.
Difficulty
Easy
Scores 2 of 5: Scores 2 of 5: faster and more compact than a deliciosa, roots readily from cuttings, and holds its holes indoors. Frequently sold mislabelled as the far rarer obliqua.
Habit
Climbing
Needs a moss pole or board. Not decorative — leaves will not mature without one.
Toxic to cats, dogs, and humans — poison severity low

Contains insoluble calcium oxalates. Reported signs include oral irritation, intense burning of mouth and tongue, excessive drooling.

If a pet has chewed a leaf, rinse the mouth with water and call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435.

Full detail for cats → Full detail for dogs →

What each authority says 2 sources concur
ASPCA — entry for a different species in this genus: Monstera deliciosa
Toxic to cats and dogs · insoluble calcium oxalates
NC State Extension
Poison severity: Low · Calcium oxalate crystals · If ingested, inflammation of the mouth, throat, eyes, and digestive tract, vomiting, drooling, and loss of appetite. The sap causes skin irritation.

Light

Bright indirect light. An east window, or three feet back from a south one. The holes appear on mature growth in good light and not before.

Water

Every 6 to 11 days in a 6-inch pot, when the top inch is dry.

Treat the interval as a starting point and the test as the actual instruction. Pot size, light level and season all move the number.

Methodsoak and dry
Test before wateringthe top inch is dry

Soil and potting

One part potting soil, one part orchid bark, one part perlite.

Repot roughly every 1.5 years, or when roots come through the drainage holes and water runs straight through without absorbing.

Common problems

Ranked by how often each turns out to be the cause for this species. Each links to a diagnosis page with the causes ranked for this species.

Pests

Recorded for this species. Each links to identification and treatment.

Propagation

Stem cutting in water or soil. Roots in 10 to 21 days.

A cutting without a node will not root. It may stay green in water for months and never produce a single root, because it has no growth point.

Preferred methodstem cutting
Mediumwater, soil
Time to root10–21 days
Node requiredYes
Best seasonSpring and summer

Full propagation guide for this species →

Sources

  1. ASPCA Animal Poison Control — Monstera deliciosa Checked 2026-09-12.
  2. North Carolina Extension Gardener Plant Toolbox — Monstera adansonii Checked 2026-09-12.
  3. Wikidata entity Q500991 — taxonomy and entity identity.
  4. Royal Botanic Gardens Kew, Plants of the World Online — Monstera adansonii Accepted name; family Araceae. Checked 2026-09-12.
  5. Photograph: Walter Hood Fitch, Wikimedia Commons , Public domain.

Compiled and edited by Tony Valcarcel · 2026-09-02
Tony Valcarcel is the editor and publisher of this database, not a horticulturist or a veterinarian. Every fact above is drawn from the sources listed, and toxicity severity is reported only where one of them stated it. How this is sourced.
Last updated 2026-09-02