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Monstera Obliqua: The Rare Monstera Plant Only True Collectors Dare to Grow

Delicate, ultra-fenestrated leaves and high humidity needs make this plant a test of true dedication.

By: THURSD. | 14-07-2025 | 6 min read
Indoor Plants
Monstera obliqua - Thursd header Image

If there’s one houseplant that separates the casual collector from the devoted enthusiast, it’s the Monstera Obliqua. Known as one of the most delicate and elusive plants in the world of indoor gardening, this rare Monstera species demands attention, effort, and an understanding of its unique character. Especially the famed Monstera Obliqua Peru, which displays leaf fenestration so extreme that it borders on lacework. Whether you're already eyeing this fenestration plant or still researching if you're up to the challenge, this guide is for you.

The Genus Monstera: A Quick Overview

Monstera is a genus of about 48 species of flowering plants native to tropical Central and South America. The name 'Monstera' originates from the Latin word monstrum, meaning 'unusual' or 'abnormal,' a nod to the dramatic appearance of their foliage. While Monstera Deliciosa is a household name, Monstera Obliqua remains largely unknown outside specialist circles due to its rarity and specific care needs.

 

Young Potted Monstera Obliqua Peru
Young Potted Monstera Obliqua Peru, picture by @Plant Diary by Rolynce

 

Several subspecies fall under Monstera Obliqua, including:

Each of these showcases subtle yet important differences, with the Peru variant being the most visually iconic. See how Albo, Aurea, Thai Constellation, and other coveted forms compare in growth and availability.

Monstera Obliqua Peru, the Pinnacle of Plant Collecting

When plant collectors refer to Monstera Obliqua, they are typically talking about the Peru subtype. Often described as the ultimate rare monstera, this plant features paper-thin leaves with extreme fenestration—up to 90% of the leaf surface can be space. This aesthetic gives the plant its iconic, lace-like look that fascinates collectors and makes it a conversation piece in any collection, giving numerous reasons as to why this, and other Monsteras fetch sky-high prices.

 

The typical leaves of a Monstera Obliqua Peru
Picture by @Butik

 

It grows modestly in size and thrives as an epiphytic plant, meaning it anchors itself to other surfaces (like tree bark) and absorbs nutrients from air, water, and debris. Despite its dramatic appearance, the plant is small and subtle in stature, often maturing on smaller trees or root systems.

Looking for a grower? Check out Kwekerij Mostert, known for supplying rare indoor plants, including the elusive Obliqua Peru.

The Difference Between Monstera Obliqua and Monstera Adansonii

One of the most common mistakes made by new collectors is confusing Monstera Adansonii with Monstera Obliqua. Both feature holes, but the difference lies in the degree:

 

Monstera Adansonii
Monstera Adansonii picture by @Derek

 

Monstera adansonii develops thicker, leathery leaves, and its fenestration becomes more noticeable as it matures. Monstera Obliqua Peru, on the other hand, is known for its fragile, almost translucent leaves, with dramatic fenestration patterns visible even when the plant is still young. Obliqua’s holes are more extreme, occupying nearly the entire surface of mature leaves.

 

Monstera Obliqua
Monstera Obliqua, picture by @Salmanda Plants

 

You may see mislabeled plants in garden centers. If the leaves are dense, waxy, and solid with modest holes, it’s most likely an Adansonii.

Did you know that Monstera Obliqua is among the most expensive houseplants in the world? Read more

Other Subspecies Worth Noting

This subtype comes from the area around Pangui, Ecuador. The "cf" means it’s comparable to the Pangui regional variety. It’s exceedingly rare and not widely circulated in cultivation.

 

Monstera Obliqua cf Pangui
Picture by @Doaroids Dream

 

Known for its elongated leaves with smaller and more symmetrical holes, this variety often presents a downward-hanging foliage habit, resembling Anthurium in posture but maintaining Monstera genetics.

 

Monstera Obliqua Amazonas
Picture by @Jon and Eun

 

A less fenestrated variant with fewer holes and slightly thicker leaves. It's more resilient than the Peru type but still retains the genetic signature of the Obliqua family.

 

Monstera Obliqua Bolivia
Picture by @Balbino

 

How to Care for Monstera Obliqua

Owning a Monstera Obliqua is one thing—helping it thrive is another. This rare monstera species needs specific conditions to maintain its delicate form.

Lighting

Place your Obliqua in a space with bright, indirect light. Prolonged exposure to direct sun will scorch its ultra-thin foliage. Near a north- or east-facing window is ideal, or use a grow light set to medium intensity. Working with dim interiors? Browse our guide to the best houseplants for low light.

 

Monstera Obliqua
Picture by @Zan

 

Humidity

Native to rainforest environments, Monstera Obliqua thrives in high humidity, preferably 80% and above. A basic humidifier often won’t suffice. Use pebble trays, misting routines, or house the plant in a glass cabinet, grow tent, or greenhouse setting for best results. Many high‑humidity plant strategies overlap with setting up moisture‑loving species in steamy spaces—here are adaptable ideas.

Watering

Water consistently but sparingly. Allow the top 1–2 cm of the soil to dry between waterings. Avoid soaking the soil, as the thin roots are prone to rot. In dry indoor environments, check soil moisture daily.

Soil Composition

Use a well-draining, airy substrate. A custom mix might include orchid bark, coconut coir, perlite, and a small amount of activated charcoal. This mimics the loose, nutrient-rich debris of a tropical forest floor.

 

Monstera Obliqua
Picture by @Fahri Windi

 

Feeding

Apply a diluted, balanced liquid fertilizer every 4–6 weeks during the growing season (spring and summer). Avoid overfeeding, which can burn the roots.

Temperature

Keep the plant in a consistently warm room—ideally between 20–28°C (68–82°F). Temperature dips below 15°C (59°F) can trigger dormancy or leaf drop.

 

Monstera Obliqua
Picture by @Make Life Beautiful

 

Structural Support

Provide a moss pole, plank, or other vertical support. This not only helps the Obliqua climb but also encourages larger and more fenestrated leaf growth.

Common Challenges When Growing Monstera Obliqua

Due to its delicate tissue, Obliqua is vulnerable to spider mites, mealybugs, thrips, and scale. Regularly inspect both sides of the leaves and use insecticidal soap or neem oil as a preventive treatment.

This plant does not tolerate dry air. Sudden drops in humidity can cause browning edges, crisped holes, or even full leaf collapse.

 

Monstera Obliqua
Picture by @My Friends Plants

 

When introduced to a new environment, Monstera Obliqua may drop older leaves as it adapts. This is normal, but prolonged leaf loss signals stress, likely from improper watering or humidity.

This is not a fast grower. It can take years before your Obliqua reaches a mature state, especially in household conditions. Be patient and avoid excessive interference.

Because of its fine roots, overwatering or poor drainage quickly leads to root rot. Always use breathable containers and test moisture before watering.

 

Monstera Obliqua
Picture by @Maurene

 

Despite the effort, a healthy Monstera Obliqua is a living piece of art, rewarding in its rarity and mesmerizing form.

Whether you're growing one already or dreaming of owning this rare gem, Monstera Obliqua—especially the Peru variety—is a collector’s plant through and through. It's not just about beauty; it's about commitment. And if you're ready, it's worth every effort.

Header image by @Jungelhuset Feature image by @My Friends Plants

FAQ

How can you tell the difference between Monstera Obliqua and Monstera Adansonii?

Both species share Swiss‑cheese perforations, yet Monstera Obliqua’s foliage is so delicate that up to 90 percent of each blade is open space. These extraordinarily large holes, coupled with paper‑thin tissue, give it a lace‑like look that Adansonii never reaches. Adansonii retains thicker, leathery leaves with oval windows that expand gradually as it matures. In short, within the genus Monstera, Obliqua is the airy minimalist, whereas Adansonii keeps more substantive, structured leaf mass.

Why is Monstera Obliqua so expensive?

Pricing reflects scarcity and demand. Wild populations exist only in isolated pockets of cloud forest across South America, and cultivation is slow and labour‑intensive. Few tissue‑culture labs have mastered its finicky requirements, so every cutting offered online comes from mature mother plants that growers are reluctant to divide. Those factors make Monstera Obliqua a rare and highly sought collector’s item, often commanding four‑figure sums before shipping and phytosanitary paperwork are even calculated.

Is Monstera Obliqua hard to grow?

Yes—mainly because the plant’s comfort zone is narrow. Direct sunlight scorches its tissue, yet light levels must stay bright enough to drive photosynthesis in those perforated blades. Equally essential are 80 %‑plus humidity, warm temperatures, and sterile, airy substrate that never stays waterlogged. Meeting all three variables simultaneously inside a living room can be tricky; a glass cabinet with automated misting, filtered airflow, and grow‑lights on a timer is the easiest way to keep conditions stable.

How fast does Monstera Obliqua grow?

Monstera Obliqua is famously slow. Under near‑perfect greenhouse settings it may unfurl one or two new leaves per quarter, each progressively larger yet still extremely delicate. In ordinary homes the pace can drop further, as the plant channels energy into repairing minor stress rather than rapid expansion. Because successful propagation requires a sizable parent vine, collectors generally wait years before taking cuttings, which also explains why specimens remain scarce on the market.

What kind of soil and potting mix is best for Monstera Obliqua?

A premium mix mimics rainforest detritus: 40 % fine orchid bark, 20 % coconut coir, 20 % chunky perlite, and 10 % horticultural charcoal with a dash of worm castings. The structure provides fast drainage yet retains just enough moisture around the roots. Avoid dense peat‑based composts that collapse after repeated watering. Repot in a breathable terra‑cotta pot or slotted aroid basket so oxygen can enter from every side and excess water escapes readily.

Can you propagate Monstera Obliqua safely, and if so, how?

Propagation should be attempted only on a vigorous vine with at least three nodes. Using a sterile blade, take a single‑node cutting that includes an aerial root, dust it with cinnamon, and place it in moist sphagnum at about 26 °C with 90 % humidity. Track progress on a dedicated care page in your plant journal so you can tweak humidity, temperature, and light quickly. Expect roots in four to eight weeks, but remember survival is never guaranteed.

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