Monstera obliqua (Monstera obliqua)

Also known as: Swiss Cheese Vine, Adanson's Monstera, Monstera Monkey Mask

Monstera obliqua (Monstera obliqua) is a plant species native to Central and South America. Monstera obliqua is named for the holes in its leaves. This species is considered expensive to cultivate and is also considered a rare houseplant species. Monstera obliqua is often compared to similar species Monstera adansonii, which has leaves with a different shape and texture.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Monstera obliqua

Lifespan

Perennial

Plant Type

Vine, Herb

Plant Height

6 m

Spread

4.5 m

Leaf Color

Green

Flower Size

13 cm to 15 cm

Flower Color

White Yellow Green Orange

Images of Monstera obliqua

Quickly Identify Monstera obliqua

Look for very thin, delicate leaves with large, irregular holes. The leaves are more perforated than those of Monstera adansonii. It also tends to grow more slowly and is less tolerant of varied environmental conditions.

Scientific Classification of Monstera obliqua

Phylum

Vascular plants

Class

Monocotyledons

Order

Alismatales

Family

Arum

Genus

Monsteras

Species

Monstera obliqua

Planting and Growing of Monstera obliqua

Care Difficulty

Hard

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-6 hours

Ideal Temperature

70-85℉

Soil Type

Potting Mix, Peat Mix

Soil pH

5.5-7

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Monstera obliqua?

Monstera obliqua prefers its soil to be consistently moist but not soggy. It's wise to let the top inch of the soil dry out slightly between waterings. Aim to water until you see a small amount draining from the bottom of the pot. This typically amounts to around 250 ml per watering session, depending on your pot size.

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What Are the Sunlight Requirements for Monstera obliqua?

Sunlight Requirements: Partial sun

Duration of light: 3 to 5 hours

Monstera obliqua thrives best in partial sun. This means it should receive filtered or indirect sunlight for a few hours daily, allowing the plant to flourish and develop its signature fenestrated leaves.

What is the best lighting condition for Monstera obliqua? ›

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What are the benefits of achieving ideal lighting? ›

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What Is the Ideal Temperature Range for Monstera obliqua?

Ideal Temperature: 70 ~ 85℉

The ideal temperature range for thriving Monstera obliqua is between 70°F and 85°F. This range ensures optimal growth as it mimics the warm and humid conditions of the plant's native tropical environments. Maintaining this temperature range enhances photosynthesis and nutrient uptake, essential for robust leaf development.

What Soil is Best for Monstera obliqua?

Soil type: Loam, Sandy loam, Peat soil

Soil PH: 5.5 ~ 7

Monstera obliqua thrives in well-draining soil, allowing excess water to escape to prevent root rot. This prevents waterlogging, providing the plant with essential aeration and promoting healthy root development. A soil mix rich in organic matter ensures Monstera obliqua receives ample nutrients for optimal growth. This results in vibrant leaves and a robust plant structure, enhancing its aesthetic appeal. Soil with a loose, aerated structure is crucial for oxygen exchange. This supports the plant’s respiration processes and leads to healthier, more vigorous foliage development. More About Soil→

How to Fertilize Monstera obliqua?

Fertilizer type: Balanced

For Monstera obliqua, use a balanced, water-soluble fertilizer diluted to half strength. During the growing season, a concentration of approximately 20-20-20 NPK, at around 1/4 teaspoon per gallon of water, is recommended. More About Fertilizing Techniques→

How to Prune Monstera obliqua?

Pruning Time: Spring, Summer

Choose the stems that look unhealthy or are growing in unwanted directions. This will help in shaping the plant and eliminating compromised foliage. Make your cut just above a node, which is a slightly thicker region of the stem. This promotes new growth and ensures the plant stays bushy. If the plant is becoming too large, you can trim back to maintain the desired shape and size, encouraging denser growth. More About Pruning Techniques→

How to Propagate Monstera obliqua plant?

Propagate Time: Spring, Early summer

Choose a healthy stem with at least one node and aerial root. This ensures that the cutting has enough stored energy and potential for future growth.

Using the sharp pruning shears, make a clean cut just below a node. A clean cut reduces the risk of disease and increases the likelihood of successful root development.

Dip the cut end of the stem into the rooting hormone to encourage root growth. Follow the product instructions carefully to avoid over-usage.

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How to Repot Monstera obliqua plant?

Repotting frequency: Every 2-3 years

Monitor your Monstera obliqua for signs of needing a new pot, such as roots growing out of the drainage holes or the plant appearing to be top-heavy. Spring and summer are ideal times to repot because the plant is actively growing, which means it will recover more quickly from the stress of repotting. Ensure the new pot is approximately 2-3 inches larger in diameter to provide ample room for root growth.

Select a pot that not only complements the aesthetic of your plant but also provides functional benefits. Ceramic or plastic pots with drainage holes are recommended to prevent water logging, which Monstera obliqua is particularly sensitive to. A pot too large will retain excess water, potentially leading to root rot, while a pot too small will stunt growth. A slightly bigger pot also promotes healthier roots and more robust growth.

Opt for a well-draining potting mix that mimics the natural conditions of Monstera obliqua's tropical habitat. A mix of peat, perlite, and orchid bark is ideal for providing aeration and moisture retention. Proper soil mix ensures that the roots do not stay waterlogged, reducing the risk of rot while supporting development with essential nutrients.

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Toxicity of Monstera obliqua

Is Monstera obliqua toxic to humans?

Similar to other members of the *Monstera* genus, monstera obliqua possesses toxic properties that can impact humans if ingested or handled. The plant contains oxalate crystals in all of its components, which can lead to mild to moderate adverse effects. Ingesting parts of the plant may result in symptoms such as burning sensations and swelling in the mouth, excessive saliva production, stomach discomfort, as well as challenges with swallowing, speaking, or breathing. Additionally, contact with the plant's sap can lead to dermatitis and skin irritation. As a widely favored houseplant, monstera obliqua is easily accessible to children, who may be more susceptible to its harmful effects. Therefore, it is advisable to wear gloves when interacting with this plant to prevent direct exposure to the sap.

Is Monstera obliqua toxic to cat?

Monstera obliqua is known to be toxic to cats, presenting significant health hazards. All parts of this plant are harmful, and if a cat were to consume any section of monstera obliqua, it could result in poisoning. Symptoms of distress may appear if parts of the plant are ingested, which necessitates immediate veterinary intervention. To avoid unintentional ingestion, cat owners should keep monstera obliqua safely out of their pets' reach. In case of poisoning, it is vital to promptly seek treatment at a veterinary clinic to manage the symptoms and provide suitable care.

Is Monstera obliqua toxic to dog?

Monstera obliqua is recognized as toxic to dogs. When dogs consume any part of this plant, they risk poisoning due to the inherent toxicity found throughout all sections of the plant. Dogs may encounter monstera obliqua inadvertently while playing or exploring their surroundings. Symptoms of poisoning in dogs can include gastrointestinal distress, vomiting, diarrhea, excessive drooling, and in more severe instances, systemic reactions such as respiratory difficulties or alterations in heart rate. It is essential for dog owners to restrict access to monstera obliqua and to vigilantly observe their pets for any signs of suffering. If a dog ingests monstera obliqua, it is vital to seek prompt veterinary assistance to secure the best possible prognosis for the affected pet.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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