Philodendron Mexicanum Species Profile & Care Guide

The Philodendron Mexicanum is a tropical plant species known for its striking appearance and relatively easy care demands.

Belonging to the vast Philodendron genus, it is a stand-out due to its long, lobed leaves and unique growth habits.

This guide will provide an in-depth look at the plant’s profile, care requirements, growth patterns, potential issues, and unique features.

Philodendron Mexicanum

Profile Overview

  • Common Name: Philodendron Mexicanum
  • Scientific Name: Philodendron Mexicanum
  • Family: Araceae
  • Origin/Native Region: México
  • Growth Habit: Philodendron Mexicanum is an epiphytic plant, which means it habitually grows on another plants. It typically climbs up trees in its natural environment using aerial roots, but it can also trail and bush outwards in domestic settings. It is also a tropical species known for its vibrant foliage. It shows a moderate rate of growth under ideal conditions, but maintenance is relatively easy, even for beginners in plant care.


The Philodendron Mexicanum is a visually striking species that stands out because of its unique characteristics compared to other Philodendrons. It possesses elements reminiscent of its tropical origins.

Starting from the leaves, the plant exhibits a dazzling display of vibrant green. The leaf structure is also quite distinct as they are considerably large and variably shaped.

The leaf surface is quite noticeable as it is often shiny, reflecting the light in a captivating manner. Moreover, its stem characteristics and mature size further contribute to its overall allure, making it a standout option for adding exuberance to any indoor or outdoor ensemble.

Leaf Size

In the case of Philodendron Mexicanum, the leaves can grow impressively large under ideal conditions, with mature leaves often reaching lengths of 2-3 feet. Younger leaves start out much smaller, gradually growing over time.

This large, vibrant leaf size is a prominent feature of the Philodendron Mexicanum, allowing it to be a remarkable visual addition to any indoor space.

The leaf size can be affected by factors like light exposure, watering schedule, and general plant health, so ensuring proper care is essential to maintain these stunning, large leaves.

Leaf Shape

The leaf shape of the Philodendron Mexicanum is quite distinctive and is one of the key features that sets it apart from other Philodendron species.

It possesses a sagittate shape, more commonly referred to as arrowhead shape. This means the leaves are long and broad, tapering at both ends to a sharp, pointed tip.

Furthermore, the leaves exhibit prominent venation with veins running parallel to the spine. These veins coupled with the unique leaf shape give the Philodendron Mexicanum an interesting, textured appearance that can be a captivating addition to any indoor garden or landscape.

Leaf Color

The Philodendron Mexicanum robustly displays a vibrant array of colors on its foliage. Notably, the juvenile leaves are often a bright emerald green in color and transition into a deeper green hue as they mature.

The lush, healthy leaves can also surprise you by offering splashes of red, purple, and even pink on their undersides. These color variations contribute to the aesthetic beauty of this plant species, making it a charming addition to any indoor green space.

The vivacious leaf colors are paramount in determining the overall health and vitality of your Philodendron Mexicanum.

Stem Characteristics

The Philodendron Mexicanum, like many philodendrons, displays a unique vining growth habit. The stems may appear as a deep brownish or maroon color, providing a nice contrast to the prominent green leaves.

Atop these stems, leaf nodes are present where the new leaves make their entry. As the plant matures, air roots can develop along these stems.

These aerial roots are essentially extensions of the plant’s fiber system that allow it to better absorb moisture and nutrients in its native rainforest environment.

They don’t necessarily need to be rooted into soil, but can adhere to support structures for stability.

Mature Size

The Philodendron Mexicanum is a climbing type of plant and its mature size depends largely on the support it has and the care it receives. It typically grows anywhere between 2 and 4 feet in terms of height.

However, it can reach a staggering height of approximately 10 feet under optimal conditions, especially when provided with appropriate support. As far as the width is concerned, it typically spans up to 2 feet.

Keep in mind, this plant grows upwards more than it grows outwards, a characteristic element of vining type Philodendrons.

Care Requirements

Caring for Philodendron Mexicanum can be a rewarding experience for any plant enthusiast, provided you adhere to its specific needs.

The health and vigor of this beautiful plant are mainly contingent upon aspects like light, water, humidity, temperature, and soil type. Each component is significant, calling for a regimen that honours these individual attributes distinctly.

Meeting these care requirements will not only ensure the plant’s survival but can also greatly enhance its growth and development.

Throughout this guide, we’ll delve into each aspect, breaking them down to equip you with the knowledge you need to create optimal living conditions for your Philodendron Mexicanum.

Light Needs

Philodendron Mexicanum, like many tropical plants, thrives best in conditions that mimic its native environment. Bright, indirect sunlight is ideal for this plant as it promotes vigorous growth without scorching the leaves.

A position near a north or east-facing window would be suitable, but if such a spot isn’t available, don’t worry. This adaptable species can also tolerate lower light conditions, though its growth may be slower.

Just avoid placing it in direct sunlight as this can burn and damage the leaves. You want a balance between the right amount of light and protection from harsh rays.

Watering Frequency

Your Philodendron Mexicanum prefers evenly moist soil conditions. However, it doesn’t enjoy being overly wet or ‘waterlogged’. As a rule of thumb, allow the top inch of the soil to dry out between waterings, then water thoroughly until the liquid flows freely from the drainage holes at the bottom of the pot.

This watering routine generally corresponds to once every 7-10 days in warmer months, and less frequently in cooler seasons.

Always adjust depending on the plant’s environment – higher humidity or heat might require more frequent watering. Remember, overwatering often leads to root rot, a serious problem for these plants.

Humidity Preferences

The Philodendron Mexicanum thrives in high humidity environments, similar to its native tropical rainforests. It prefers a humidity level of around 60% to 80%, but it can tolerate lower levels to an extent.

To ensure optimal humidity levels, you can use a humidifier, mist your plant regularly, or place it on a tray filled with water and pebbles so the water evaporates around the plant. Be cautious to not overwater however, as this can lead to root rot.

Temperature Range

Philodendron Mexicanum thrives best in warmer conditions, ideal for tropical plant species. The temperature range is quite broad, but they prefer an environment with temperatures between 15°C (59°F) and 30°C (86°F).

Cold and frosty environments can prove detrimental to this plant and should be avoided. It’s essential to maintain a stable temperature, as sudden temperature changes could stress the plant, causing leaf drop or stunted growth.

If you live in a region with cold winters, indoor growing might be the best option to keep your Philodendron Mexicanum in a consistent temperature range.

Soil Type & pH Preferences

Philodendron Mexicanum thrives best in well-draining soil that retains some moisture but doesn’t stay soaked. A peat-based potting mix, combined with perlite or orchid bark, provides ideal conditions.

It can also tolerate sphagnum moss or coir. As for pH, this plant prefers mildly acidic to neutral soil, with a pH range of 5.5 to 7.5.

Incorrect pH can lead to nutrient deficiency, thus affecting overall plant health. Use a pH meter to check the soil conditions, and if necessary, balance it using lime (to raise pH) or sulfur (to lower pH).

Growth & Propagation

Philodendron Mexicanum exhibits moderate to fast growth under ideal conditions. Observing the right care and environmental preferences is crucial for this stage.

In terms of propagation, you will find methods associated with the period of active growth, often in spring or early summer. The process generally involves stem cuttings planted in a favorable substrate, allowing for the development of a whole new plant.

Potting and repotting recommendations are also part of the growth and propagation segment, emphasizing proper timing, soil mixture, and pot size to ensure successful growth. Providing an efficient support structure is also advisable for this climbing species.

Growth Rate

The Philodendron Mexicanum is a fast-growing tropical plant, under optimal conditions. With appropriate light, water, and nutrient conditions, you can expect this species to grow significantly in just a matter of a few months.

You’ll notice the speed of its growth during its active growing season, which is typically during the warm and wet months of the year. However, its growth rate can slow down if it’s planted in an unsuitable environment or lacks adequate care.

Ultimately, keeping your Philodendron Mexicanum healthy and well-cared for is crucial for strong and rapid growth.

Propagation Methods

Philodendron Mexicanum can be propagated in several ways, ensuring their survival and growth in your garden or home. The most common and straightforward propagation method is stem cuttings.

Select a healthy stem with at least two nodes or leaf joints, cut it with a clean, sharp blade, and place it in well-draining potting mix or water.

They can also be propagated by air layering, where a stem is wounded, wrapped with damp moss, and covered until roots form. Whichever method you choose, ensure that the plant gets adequate light and warmth for successful rooting and growth.

Furthermore, propagation is best done in spring or early summer when the plant is in its active growth phase.

Season of Active Growth

The Philodendron Mexicanum typically experiences its active growth phase during the late spring and summer months. During this period, the plant is known to put out new leaves and grow rapidly.

However, it’s important to note that while this plant may slow down during the cooler seasons, it doesn’t completely stop growing. Therefore, you should keep providing it with required care, including watering and fertilizing.

Remember, optimal growing conditions can result in a growth spurt. Hence, monitoring and adjusting care according to the season is essential for the health and well-being of your Philodendron Mexicanum.

Potting and Repotting Recommendations

To ensure a healthy growth for your Philodendron Mexicanum, opt for a pot with proper drainage, as this species is highly susceptible to root rot. Start with a small-to-medium sized pot, depending on the plant’s size.

Use a lightweight, well-draining, peat-based soil mixture. As for repotting, it’s usually necessary every 2-3 years, typically in the spring when it begins to outgrow its pot. Be careful to not damage the roots during this process.

Fresh soil should be added during repotting to replenish nutrients. Remember, too large pots can make it tricky to regulate water, leading to over-watering.

Potential Issues

While the Philodendron Mexicanum is generally an easy plant to care for, it’s not exempt from a few potential issues.

Being aware of the common pests, diseases and other sensitivities this species may encounter allows you to preemptively mitigate these problems or handle them effectively when they occur.

Knowledge about these potential issues combined with proper care techniques can make the difference between cultivating a flourishing plant or dealing with constant plant health problems.

Common Pests

The Philodendron Mexicanum can be affected by various insect pests. These typically include mealybugs, spider mites, and aphids, which can latch onto the plant, causing damage to the leaves and overall health.

These pests often appear as small, white or brown spots on the undersides of leaves or along the plant’s stem. Regularly checking your Philodendron Mexicanum and keeping the plant clean can help prevent infestations.

If you notice a pest problem, there are various remedies from homemade solutions like soapy water sprays to commercial insecticides. Always remember, necessary treatment should be executed at the earliest to save the plant from extensive damage.

Common Diseases

Philodendron Mexicanum, like other plant species, may be susceptible to certain diseases. Leaf spot is one common disease that you may encounter. It is often caused by bacteria or fungi and appears as brown spots on the leaves.

Another disease is root rot, usually a result of overwatering. It can cause the roots to turn brown and mushy. Fungal infections such as Anthracnose can also affect your Philodendron, leading to darkened spots and blight on leaves.

To prevent these diseases, ensure that the plant receives appropriate care, such as well-draining soil and a properly controlled watering schedule.

Other Sensitivities

The Philodendron Mexicanum is sensitive to certain conditions. First and foremost, you must be vigilant to avoid overwatering as it could cause root rot.

Overexposure to direct sunlight could scorch its leaves, resulting in damage to its overall health and aesthetics. On the contrary, underexposure to light could hamper its growth.

This plant also doesn’t respond well to cold environments. It prefers a steady, warm climate as abrupt changes can cause leaf drop. Always ensure that its environment adheres to its native tropical conditions.

Remember, providing the right balance is key to its thriving growth.

Special Features & Uses

The Philodendron Mexicanum, like many plants, is not just for aesthetics. This plant has a set of unique characteristics that make it more appealing to plant lovers and botany enthusiasts.

Unique Characteristics

The Philodendron Mexicanum is known for its uniquely shaped dark green glossy leaves and reddish petioles which give the plant a distinctive aesthetic.

Its heart-like, asymmetrical leaves can be a major draw for plant enthusiasts and interior decorators alike. Another unique characteristic of this Philodendron is its growth structure.

Unlike typical varieties, the Mexicanum grows more like a vine, trailing or climbing upwards, which can be guided on supportive structures.

Furthermore, the plant is a climber, making it an impressive addition to vertical spaces. 

Decorative Use

The Philodendron Mexicanum can be a stunning addition to your collection of houseplants or office desk companions. Its vibrant green, heart-shaped leaves create a tropical ambiance and can add a serene feeling to any interior space.

Its unique climbing habit makes it an ideal choice for hanging baskets or decorative trellises. In larger spaces, it can add height and visual interest when allowed to climb on support structures.

Overall, this intriguing plant can prove to be both an attractive and engaging decor element, drawing eyes with its lush and interesting aesthetic.


As is common with members of the Philodendron family, the Philodendron Mexicanum is considered toxic if ingested. This is due to calcium oxalate crystals, which can cause gastrointestinal irritation in humans and animals.

If ingested, it can lead to symptoms such as irritated mouth & throat, burning sensation, and in more severe cases, nausea and vomiting.

Hence, it’s recommended these plants be kept out of reach from small children and pets like dogs and cats. If contact with the sap occurs, it is advisable to wash it off as soon as possible to avoid potential skin irritation.

Additional Tips & Tricks

When caring for your Philodendron Mexicanum, there are extra details that can enhance the plant’s growth and health. These additional guidelines involve aspects like fertilization techniques, pruning and maintenance practices, and the use of support structures.

With these additional steps, you can better understand your Philodendron Mexicanum’s needs and create the ideal environment for it to thrive. Including these tips and tricks in your regular care routine can save you potential issues and help your plant achieve the best possible growth.

By understanding the unique habits of your Philodendron Mexicanum, you are on your way to becoming a more effective plant caretaker.

Fertilization Recommendations

To promote the growth and health of your Philodendron Mexicanum, apply a balanced, water-soluble houseplant fertilizer every month during the spring and summer.

This should be halved during the fall and completely stopped in winter when the plant is not actively growing. Over-fertilization can lead to salt build up, which might cause leaf burn.

So, it’s safe to err on the side of less fertilizer. It’s also beneficial to flush the soil periodically to prevent salt build up.

Remember to always water your plant thoroughly before and after application of fertilizers, as applying it to dry soil can harm the roots.

Pruning & Maintenance

For your Philodendron Mexicanum to thrive, regular pruning and maintenance should be part of your plant care routine. Pruning not only helps in maintaining the desired plant shape, but it also promotes bushier, healthier growth.

Regularly check for dead, yellowing, or diseased leaves and remove them immediately. This prevents the spread of potential diseases and directs energy to healthier parts of the plant.

A simple pair of clean, sharp pruning shears will suffice for this task. Regular maintenance, including dusting the leaves and checking for pests, will keep your Philodendron Mexicanum in the best health.

Support Structures

Philodendron Mexicanum is a climber by nature, originating from a region where it would climb trees in the wild. At home, it requires a sturdy support structure to facilitate its climbing growth habit.

This can be something as simple as a moss pole, trellis, or even a piece of bark. Adding a support structure not only aids in the plant’s overall health and development but also enhances its aesthetic appeal.

To use a support structure, simply place it in the middle of the pot, making sure it’s secure, and gently attach the plant to it, allowing the Mexicanum to start its climb.

Philodendrons   Updated: October 25, 2023
avatar Hi, I'm Amy, a devoted horticulturist and the creator of, where I use my expertise to help beginners foster their green thumbs. My blog is a vibrant community where I unravel the complexities of gardening and share my profound love for nature.
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