Houseplants · Guide

Monstera obliqua

Monstera obliqua Care Guide

Updated by Funfactorium Editorial1 min readFact-checked
Photo: Maja Dumat · CC BY 2.0
In short

Monstera obliqua is the rare species adansonii is most often mistaken for. Its leaves are extremely thin, with holes far larger than the remaining tissue — a true skeleton appearance. It is slow, finicky, and needs constant high humidity to survive indoors. Most plants sold as obliqua in mainstream nurseries are actually M. adansonii.

Care facts at a glance

Light
Bright indirect
Water
Keep the chunky mix lightly moist at all times; water as soon as the top dries.
Humidity
80–95 %
Temperature
20–27 °C
Soil
Very chunky aroid mix with extra sphagnum to hold moisture; mounted setups also work.
Toxicity
Mildly toxic. Calcium oxalate sap causes skin and oral irritation. (humans) · Toxic to cats and dogs (ASPCA Monstera listing). (pets)
Origin
Rainforests of Peru and surrounding Amazon basin countries.
Mature size
Slender vines to 1.5 metres in cultivation; leaves under 25 cm long.

Overview

Monstera obliqua is one of the rarest species in the genus in cultivation, with a leaf form so heavily fenestrated that the plant looks like a skeleton. Most popular references about obliqua are actually about adansonii — this species is genuinely uncommon.

Care Priorities

  • Terrarium or enclosed grow space; humidity below 80 percent stalls it fast.
  • Steady warmth in the low 20s °C.
  • Bright but soft, filtered light — the thin leaves burn easily.
  • Avoid disturbing the roots; this species sulks for months after repotting.

Common Problems

Leaf collapse and crisping after a humidity drop is the textbook obliqua failure mode. Yellowing is overwatering on a stagnant mix. Slowness is normal — even healthy plants push only a few leaves a year.

Sources & further reading (3)
  1. encyclopedia — accessed 2026-04-28
  2. botanical-garden — accessed 2026-04-28
  3. toxicity-database — accessed 2026-04-28

Frequently asked questions

How can I tell if I really have obliqua?

Genuine obliqua leaves are paper-thin and almost translucent, with holes occupying most of the leaf area. Adansonii leaves are thicker and hold their shape; obliqua leaves crumple if pinched.

Can it survive in a normal living room?

Almost never. Without enclosed humidity it crisps within weeks.

Is it worth the difficulty?

Only for collectors with terrarium setups. For the typical living-room grower, M. adansonii gives 90 percent of the look with 10 percent of the fuss.

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