Philodendron Imperial Green Species Profile & Care Guide

The Philodendron Imperial Green is a tropical, evergreen, ornamental houseplant known for its lush, vibrant foliage.

One of the classics, beauty, and easy-care favorites in the houseplant world, it adds a refreshing touch of greenery to any interior design, making it an ideal choice for home and office décor.

It’s treasured for its unique, heart-shaped leaves, durability, and adaptability to various indoor conditions.

Philodendron Imperial Green

Profile Overview

The Philodendron Imperial Green is an evergreen, tropical plant known for its lush and vibrant foliage. Below is a quick snapshot of its background:

  • Common Name: Philodendron Imperial Green
  • Scientific Name: Philodendron erubescens ‘Imperial Green’
  • Family: Araceae
  • Origin/Native Region: Central and South America
  • Growth Habit: This species grows upright with a compact form, and over time can become a rather large houseplant, often reaching heights of up to 1 meter (3.3 feet). However, in its natural habitat, it can reach much larger sizes. Its relatively slow growth habit and unique leaf shape make it a popular indoor plant.


The Philodendron Imperial Green is a noteworthy specimen in the plant world due to its distinctive physical characteristics. It possesses large, glossy leaves that provide a striking display of vibrant green color.

Contributing to its impressive visual appeal, its bountiful foliage creates a lush, tropical aura. Its leaves are dense and well-arranged, giving it a robust and stunning silhouette.

The Philodendron Imperial Green’s unique appearance not only distinguishes it from other houseplants, but it also makes it a favored choice for individuals who seek to add a touch of greenery and vitality to their indoor environment.

Leaf Size

The Philodendron Imperial Green shows off its lush and tropical aesthetics with its large leaves. Typically, these leaves can reach up to 3 feet in length in an indoor setting.

If you’re growing the plant outdoors, they may become even larger. This characteristic alone contributes greatly to the plant’s appeal as a statement-making piece in interior landscapes.

These large, broad leaves not only make a grand visual impact but are also responsible for the plant’s excellent air-purifying qualities.

Leaf Shape

The Philodendron Imperial Green is renowned for its sizeable, oval-shaped leaves. Characteristically, these leaves are highly structured and seem slightly sculpted, adding to the plant’s overall aesthetic appeal.

Their curvaceous form, featuring pointed tips and broad bases, is what sets them apart and makes them extremely appealing to indoor plant enthusiasts.

Their expansive leaf surface further encompasses a prominent venation pattern, which adds a layer of sophisticated texture to the whole plant.

The architecture of the leaves is crucial to the Philodendron Imperial Green’s health, allowing for effective photosynthesis and transpiration.

Leaf Color

The Philodendron Imperial Green, as its name suggests, boasts impressive bright, glossy green foliage. The leaves have a luscious, vibrant hue that can add a lush tropical feel to your indoor environment.

They start as a darker, almost burgundy shade when they are new and immature, but lighten into their namesake imperial green color as they mature.

Note that the leaf’s color can show slight variations based on the care and environmental conditions it receives; inadequate light may result in a less vibrant green, while optimal conditions bring out the full, luminous color.

This versatile plant brings an energizing dash of green to any indoor setting.

Stem Characteristics

The Philodendron Imperial Green showcases semi-woody stems that are thick and strong, being able to support the hefty weight of its sizable leaves.

These stems grow vertically upwards and are usually green or slightly brown with prominent leaf scars showing where old leaves were once attached.

As the plant flourishes, these stems may lean towards the direction of sunlight. As such, providing a stake or some kind of support can encourage straight growth and prevent the stems from becoming too droopy.

These stems play a significant role in the overall aesthetic the Philodendron Imperial Green brings to any indoor setting.

Mature Size

The Philodendron Imperial Green is a compact variety, perfect for indoor spaces with limited room. It usually reaches a maximum height of approximately 3 feet (90 cm), but its width can significantly expand over time, developing into a lush, full houseplant roughly 2 to 3 feet (60-90 cm) wide.

The leaf spans can also be quite impressive, reaching up to 2 feet (60 cm) when fully matured. The overall size of your Philodendron Imperial Green will mostly depend on the care it receives, with ideal growth conditions allowing your plant to reach its full, majestic size.

Care Requirements

Caring for a Philodendron Imperial Green isn’t overly complex but does require your attention in certain areas for it to thrive.

Key elements in maintaining a healthy specimen include tending to its specific light needs, determining the correct watering frequency, managing humidity levels, and understanding its temperature preferences.

It’s also crucial to use the appropriate soil type with corresponding pH levels. By addressing these care requirements, you can ensure that your Philodendron Imperial Green flourishes and grows to its full potential.

Light Needs

The Philodendron Imperial Green thrives well under medium to bright indirect light. However, it can also tolerate low indoor light. Direct sunlight can damage its foliage, causing it to lose its vibrant green color and burn its leaves.

Thus, it’s crucial to expose your Philodendron Imperial Green to a place with sufficient natural daylight but no direct sun. For optimal results, east or north-facing windows are ideal locations.

Always remember, a well-lit environment encourages your plant to grow faster and healthier.

Watering Frequency

When it comes to watering your Philodendron Imperial Green, it is crucial not to over-water or under-water it. This plant prefers to have its soil kept moderately moist.

It is generally recommended to water the plant when the top inch of its soil begins to feel dry to the touch. Depending on the environment, this might mean watering once a week during the growing season and less frequently during the cooler months.

However, these are just guidelines and the watering timeline can change according to temperature, light conditions and the size of the plant. Always remember that it’s better to err on the side of under-watering.

Humidity Preferences

The Philodendron Imperial Green features a love for high humidity levels, reflective of its native, tropical rainforest environment. The ideal humidity ranges from 65% to 75%, though this species demonstrates adaptability in lower humidity settings.

However, inadequate humidity can lead to brown leaf tips or curling. You can ensure the plant receives its humidity preference by placing a pebble tray filled with water or a humidifier near the plant.

Regular misting with distilled or rainwater also serves to maintain a healthier environment and prevent dust deposits on the leaves. For optimal growth, avoid placing the plant in a dry area or near heat vents.

Temperature Range

The Philodendron Imperial Green prefers a warm environment. It thrives in consistent temperatures that range from 65 to 78 degrees Fahrenheit during the day.

At night, it can tolerate a slight dip, but not less than 55 degrees Fahrenheit. It’s vital to avoid drafts and sudden temperature fluctuations, as this can stress your plant causing it to lose leaves or stunt growth.

This tropical houseplant does not tolerate frost, so if you are growing it outdoors make sure to bring it inside when temperatures drop. A consistent, warm environment will help your Philodendron to flourish.

Soil Type & pH Preferences

Philodendron Imperial Green is not overly picky about soil types, however, it will thrive best in a well-draining, peat-based potting mix. Adding perlite to the mix will further improve drainage and avert waterlogging.

This plant prefers a slightly acidic to neutral pH environment; a pH in the range of 6.0 to 7.0 is most optimal. Soil pH matters as it affects the plant’s ability to absorb essential nutrients.

A soil test can be helpful in determining if your soil falls within this preferred range. If not, there are soil additives that can be used to adjust the pH levels.

Growth & Propagation

The Philodendron Imperial Green displays moderate growth rate, typically reaching its full size in about three to five years.

Its growth and propagation depend largely on providing it with the right conditions. This includes optimal lighting, warm temperatures, and proper care with watering and fertilization.

The plant can be propagated using multiple methods but stem cuttings are commonly used due to simplicity and effectiveness. The season of active growth for this plant is during the warmer months typically from spring to early fall.

Detailed care during this period can result in beautifully increased foliage. Potting and repotting must be carefully managed to ensure healthy growth.

Growth Rate

The Philodendron Imperial Green is known for its fairly rapid growth. With optimal care and in the right conditions, you can expect your Philodendron Imperial Green to sprout new leaves every few weeks or so.

It’s not uncommon for a well cared for Imperial Green to double its size within a single growing season. Keep in mind that growth rate may slow down during the cooler months, as this philodendron species enters a period of dormancy.

Maintain consistent care throughout the year to promote a healthy growth rate in the plant.

Propagation Methods

Propagation is the process of creating new plants from the existing ones. For the Philodendron Imperial Green, it may be achieved by stem cuttings.

To propagate, select a healthy looking plant stem with at least two nodes – areas where the leaves meet the stem.

Make a cut below the node and place your cutting in a container with fresh water, making sure that the node is submerged underwater.

The new plant will begin to develop its root system in the water, and once enough roots have grown, it can be transferred to soil.

Ensure to place the new plant in a warm environment with much indirect light to boost growth.

Season of Active Growth

The Philodendron Imperial Green typically demonstrates its active growth phase during the warmer months of spring and summer.

During these seasons, you can expect to see a noticeable increase in foliage size and density. It’s also the best period for propagation, as the plant has an enhanced ability to heal and generate new growth.

Remember that this doesn’t mean the plant is dormant during fall and winter seasons. It merely slows down its growth rate.

As part of your care routine, adjust your watering and fertilization approach by reducing the quantity during these cooler, slower growth periods to avoid waterlogging or overfeeding the plant.

Potting and Repotting Recommendations

For Philodendron Imperial Green, you should always start by choosing a pot with good drainage. The pot size depends on the plant size, as this species can grow quite large.

It’s advisable to repot your plant every 2-3 years to provide it with fresh soil and to encourage growth. The best time for repotting is spring or summer when the plant is in its active growth period.

Gently untangle the roots during repotting and place the plant in a pot only slightly larger than the previous one. Ensure to use a potting mix suitable for philodendrons, generally one that is well-draining and rich in organic matter.

Potential Issues

The Philodendron Imperial Green, like any houseplant, may encounter a variety of issues during its life cycle. These can range from pest infestations to diseases and other sensitivities.

It’s normal for your Philodendron to experience occasional issues as part of its development and growth phase. Nevertheless, early detection and proper intervention can help to alleviate these problems and keep your plant healthy.

Below, we’ll explore some of the most common pests, diseases, and other potential sensitivities that your Philodendron Imperial Green could face. We’ll also provide actionable advice on how to address these issues.

Common Pests

In the world of Philodendron Imperial Green care, you may occasionally encounter pests. These can include common insects such as aphids, spider mites, and mealybugs.

Aphids tend to gather on the undersides of leaves and stems, feeding on the plant’s sap. Spider mites cause damage by piercing the plant cells to feed. Mealybugs are white, cottony pests that also sap the life out of your Philodendron by feeding on its sap.

Regular inspection of your plant and immediate treatment at the first sign of any pest will help maintain its health and vigour. Consider using a mild insecticidal soap or neem oil for treatment.

Common Diseases

Despite their robustness, the Philodendron Imperial Green plants can be susceptible to certain diseases.

Excessive moist conditions can promote the growth of bacteria and fungi resulting in diseases like leaf spot, root rot, and blight.

Leaf spot presents as brown or black spots on the leaf surfaces, while root rot causes the roots to become soft and mushy leading to the wilting of the plant.

Blight is a more serious condition that can result in the rapid death of the plant. These can be combated by providing good air circulation, avoiding overwatering, and using disease-free planting materials.

Other Sensitivities

The Philodendron Imperial Green is a tolerant plant species, but it still has a few sensitivities you need to be aware of. Firstly, it is sensitive to fluctuations in temperatures, especially cold drafts or sudden drops in temperature.

Secondly, it is susceptible to overwatering, which can lead to root rot and other issues. Furthermore, this species has a certain sensitivity to poor lighting conditions.

Although it can tolerate low light conditions, prolonged exposure can reduce its lush, green foliage. Always strive to provide your Philodendron Imperial Green with the best care conditions to keep it healthy and thriving.

Special Features & Uses

The Philodendron Imperial Green not only stands out for its aesthetic appeal but also for its special features and uses.

This plant is the perfect candidate for interior decoration with its lush green foliage that can breathe life into any indoor setting.

More so, with the right conditions, this plant can serve as an efficient air purifier by removing toxins from the atmosphere.

However, despite these benefits, its toxicity must be taken into account, especially in households with children and pets. Further subdivisions in this section will delve into these aspects in detail.

Unique Characteristics

The Philodendron Imperial Green has several characteristics that make it stand out. It’s a non-vining Philodendron with stunning green foliage.

Unlike many other types of Philodendrons, it has a compact, self-heading growth habit. Its leaves, that grow upwards from a central clump, are glossy and characteristically heart-shaped, bringing a tropical feel indoors.

This species also has a high tolerance for various light conditions, including low light, making it exceptionally resilient and a perfect choice for beginners or those who don’t have a lot of natural light in their indoor space.

Decorative Use

Philodendron Imperial Green is widely prized for its ornamental value, making it a go-to choice for interior design elements.

It can breathe life into indoor environments such as offices and homes, thanks to its lush, vibrant foliage. Its relatively compact growth habit and large, glossy leaves add a touch of tropical appeal, making it a statement piece in any room.

Owing to its low maintenance requirements, it’s a convenient option for beginner plant owners too. Furthermore, planting it in an attractive planter can accent its beauty, making it an ideal centerpiece or a striking corner feature.


It’s important to note that Philodendron Imperial Green, like many Philodendron species, contains calcium oxalate crystals. These can cause irritation and swelling of the mouth, throat, and gastrointestinal tract if ingested by pets or humans.

Keeping these plants out of reach from children and pets is advised. Also, it’s recommended to wear gloves while handling and pruning the plant to avoid skin irritation.

If ingestion or skin contact occurs and reaction is severe, seeking immediate medical attention is crucial. Their toxicity is another reason they are often placed in high or out of reach areas in various decorative setups.

Additional Tips & Tricks

To ensure your Philodendron Imperial Green thrives and continues to add beauty to your indoor space, follow these additional tips and tricks. Regularly observe the plant’s growth and respond accurately to its needs.

Timely pruning helps in maintaining the shape and also promotes new growth. Be consistent in watering, taking care to avoid waterlogging. Furthermore, use a suitable support structure such as a moss pole, especially as the plant matures.

Continue honing your green thumb skills with this resilient and rewarding plant. Remember, your Philodendron Imperial Green will flourish under the right conditions and care.

Fertilization Recommendations

For best results, fertilize your Philodendron Imperial Green every 6-8 weeks during the growing season (Spring and Summer). Use a water-soluble, balanced plant food with an N-P-K ratio of 20-20-20.

It’s important to ensure the fertilizer is diluted to prevent a buildup of mineral salts that could harm the plant. Always water your Philodendron Imperial Green well before applying the fertilizer to avoid burning the roots.

During the cooler, dormant months (Fall and Winter), the feeding regimen can be reduced or discontinued to encourage the plant to rest. Always follow the manufacturer’s instructions on the fertilizer package.

Pruning & Maintenance

Pruning and maintaining your Philodendron Imperial Green is an essential part of the plant’s care regime. Periodically removing old, yellowing leaves and any dead or diseased parts keeps the plant looking its best and promotes healthy growth.

Pruning should be done using clean, sharp tools to reduce the risk of introducing disease to the plant. Maintenance includes wiping the leaves with a damp cloth to remove dust and allow for better photosynthesis.

Remember, the Philodendron Imperial Green prefers a hands-off approach when it comes to maintenance, so don’t overdo it and let the plant grow naturally most of the time.

Support Structures

The Philodendron Imperial Green, like many other large-leaf, vine species, can benefit from some form of support.

This could be as simple as a stake or moss pole that the plant can be loosely tied to, allowing it to grow upwards.

Support structures not only aid in good plant development, but they also promote better aeration and prevention of diseases associated with overcrowded conditions.

While the Philodendron Imperial Green can grow quite large, it’s not a mandatory requirement, especially in an indoor setting.

But if you want to encourage faster growth or a particular shape, a support structure is a worthwhile addition.

Houseplants   Philodendrons   Updated: November 11, 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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