How to Make Your Philodendron Grow Bigger Leaves

Have you ever looked at a beautiful, mature Philodendron with enormous tropical leaves and wondered why yours still looks so small?

Maybe your Philodendron is growing new leaves regularly, but they never seem to get any bigger. Or perhaps you bought a stunning climbing Philodendron, only to notice that its newest leaves are getting smaller instead of larger.

Here's the good news: small Philodendron leaves don't always mean your plant is unhealthy.

Many Philodendrons naturally produce smaller leaves when they are young. As they mature, some species can develop much larger, more dramatic foliage.

But reaching that potential depends on more than simply waiting.

Light, climbing support, root health, humidity, nutrients, and growing habits all play important roles.

In this guide, we'll explore how to make your Philodendron grow bigger leaves, what might be holding your plant back, and how to encourage beautiful, mature foliage indoors.

Why Are My Philodendron Leaves So Small?

Before changing your plant care routine, it's important to understand why your Philodendron produces small leaves.

Several factors can affect leaf size, including:

Plant maturity
Insufficient light
Lack of climbing support
Root problems
Inconsistent watering
Unsuitable humidity or temperature
Nutrient deficiencies
Recent propagation or shipping stress
Natural characteristics of the species

Some Philodendrons naturally develop much larger leaves as they mature, especially climbing varieties.

Others maintain relatively compact foliage even when fully grown.

That's why understanding your particular Philodendron is the first step toward growing larger leaves.

1. Understand Your Philodendron's Growth Habit

Not all Philodendrons grow the same way.

One of the most common mistakes collectors make is treating every Philodendron like a climbing plant.

In reality, different Philodendrons have different growth habits.

Climbing Philodendrons

Climbing Philodendrons naturally grow upward using aerial roots to attach themselves to supporting surfaces.

Examples include:

Philodendron melanochrysum
Philodendron hederaceum
Philodendron hastatum
Philodendron erubescens
Philodendron Florida Ghost

Many climbing Philodendrons can develop progressively larger, more mature leaves when provided with suitable support and growing conditions.

Crawling Philodendrons

Crawling Philodendrons grow horizontally rather than climbing vertically.

A well-known example is Philodendron gloriosum.

These plants are better suited to wider pots or growing spaces that allow their stems to extend naturally.

Placing a crawling Philodendron on a moss pole isn't usually necessary and may not suit its natural growth pattern.

Self-Heading Philodendrons

Some cultivated Philodendrons grow in an upright, compact, or rosette-like form.

These plants generally don't require climbing supports.

Instead, their leaf size depends more on genetics, maturity, and overall growing conditions.

The takeaway: Choose the growing setup that matches your Philodendron's natural habit.

2. Give Your Philodendron More Appropriate Light

Light is one of the most important factors affecting Philodendron leaf size.

Your plant needs sufficient light to support photosynthesis, root development, and healthy new growth.

When light is inadequate, a Philodendron may survive but produce smaller leaves and weaker stems.

Signs Your Philodendron Needs More Light

Look for:

New leaves getting smaller
Long spaces between nodes
Thin or stretched stems
Slow growth
Leaves leaning toward windows
Loss of mature leaf characteristics

How to Improve the Lighting

Place your Philodendron in a bright location with indirect or filtered sunlight.

An east-facing window can be a good option, while south- or west-facing windows may require filtering depending on the intensity of sunlight.

If natural light is insufficient, consider adding a suitable grow light.

Avoid suddenly moving your plant into intense direct sunlight, which can burn foliage.

Will More Light Make Leaves Bigger?

Appropriate light supports stronger growth and can help new leaves reach a larger size over time.

However, increasing light alone doesn't guarantee giant leaves.

The plant must also have healthy roots, sufficient nutrients, and the right growth habit.

3. Use a Moss Pole for Climbing Philodendrons

If you grow climbing Philodendrons, providing support can make a significant difference.

In nature, many climbing Philodendrons grow along tree trunks, using aerial roots to attach themselves as they move upward.

As they mature, their leaves may become larger and change shape.

A moss pole can help recreate part of this natural growth habit.

Why Moss Poles Help

A suitable moss pole can:

Support vertical growth
Provide a surface for aerial roots to attach
Encourage more mature climbing growth
Help the plant maintain an upright structure
Support the development of progressively larger leaves

A moss pole isn't a magic solution, but it can be particularly helpful for climbing species.

How to Attach a Philodendron to a Moss Pole

Step 1: Choose a sturdy support appropriate for the plant's size.

Step 2: Position the support close to the main stem.

Step 3: Place the side of the stem with aerial roots toward the pole.

Step 4: Gently secure the stem with soft plant ties if necessary.

Step 5: Maintain the support appropriately so aerial roots can attach and develop.

Avoid tying delicate leaf stalks tightly against the pole.

If using a sphagnum moss pole, keep it appropriately moist without creating constantly waterlogged growing conditions.

Moss Pole vs Ordinary Plant Stake

An ordinary stake provides structural support.

A suitable moss pole offers both support and a potential rooting surface.

This can be advantageous for climbing aroids, particularly when aerial roots establish into the moss.

However, not every Philodendron requires a moss pole.

4. Keep the Root System Healthy

Beautiful foliage begins with healthy roots.

A Philodendron may struggle to develop larger leaves if its roots cannot absorb enough water and nutrients.

Root problems can result from overwatering, poor drainage, compacted growing media, or physical damage.

Signs Your Philodendron May Have Root Problems

New leaves getting smaller
Yellowing foliage
Slow growth
Drooping despite moist soil
Roots becoming soft or mushy
Growing medium remaining wet for too long

Use a Suitable Aroid Mix

Many Philodendrons grow well in a moisture-retentive but airy, well-draining mixture.

Depending on your environment, suitable components may include:

Orchid bark
Perlite
Coco chips
Pumice
Coco coir
Other appropriate organic materials

The goal is to balance moisture retention and oxygen availability around the roots.

A mix that dries too quickly may cause repeated dehydration, while a mix that stays excessively wet can contribute to root damage.

Should You Repot Into a Bigger Pot?

Not necessarily.

A larger pot doesn't automatically produce larger leaves.

If a pot is much larger than the root system, the excess growing medium may remain wet for too long.

Repot when the roots genuinely need more space, using a container only slightly larger than the existing root ball.

5. Water Consistently Without Overwatering

Watering can influence Philodendron growth more than many beginners realize.

Roots need moisture to function, but they also need oxygen.

If the growing medium becomes excessively dry for prolonged periods, the plant may struggle to support new growth.

On the other hand, constantly wet media can damage roots.

How to Water Philodendrons Properly

Check the growing medium before watering.

For many Philodendrons, allowing the upper portion of the mix to dry slightly between thorough waterings works well.

However, the exact watering frequency depends on:

Species
Plant size
Pot size
Growing medium
Temperature
Humidity
Light intensity
Season

Avoid watering solely according to a fixed calendar.

Can Underwatering Cause Smaller Leaves?

Yes.

Repeated water stress may restrict growth and contribute to smaller new leaves.

If your goal is larger foliage, maintaining consistent root health and appropriate moisture is important.

6. Maintain Suitable Humidity and Temperature

Philodendrons are tropical plants, and many appreciate warm growing conditions with moderate to high humidity.

Humidity can help support healthy leaf development, particularly for species that naturally grow in humid forest environments.

Does Humidity Make Philodendron Leaves Bigger?

Humidity alone won't magically increase leaf size.

However, unsuitable humidity may contribute to stress, which can affect overall growth.

Some species, particularly those with delicate developing leaves, may benefit from more stable humidity.

How to Improve Growing Conditions

You can:

Use a humidifier when necessary
Keep plants away from cold drafts
Avoid direct airflow from heaters
Maintain appropriate temperatures
Provide gentle air circulation
Avoid sudden environmental changes

Many commonly cultivated Philodendrons grow well at normal warm indoor temperatures.

Some rare species may have more specific requirements.

If you grow Philodendrons inside a greenhouse cabinet, balance humidity with suitable airflow to reduce fungal problems.

7. Fertilize During Active Growth

Philodendrons need nutrients to support roots, stems, and new foliage.

A plant that lacks essential nutrients may develop weak growth or smaller leaves.

However, adding more fertilizer doesn't automatically make leaves bigger.

Excess fertilizer can damage roots and interfere with healthy growth.

How to Fertilize Philodendrons

Use an appropriate balanced fertilizer during active growth.

Follow the manufacturer's recommended concentration and application frequency.

Reduce fertilizing when the plant is growing slowly, such as during darker or cooler periods.

If your Philodendron is stressed, recently imported, or recovering from root problems, prioritize healthy roots and stable conditions before resuming feeding.

The best results come from balanced care, not excessive fertilizer.

Can Existing Philodendron Leaves Grow Bigger?

This is an important question.

A Philodendron leaf can continue expanding while it is young and developing.

However, once a leaf has fully expanded and matured, it generally won't continue increasing significantly in size.

Improving growing conditions won't transform an old, fully mature leaf into a giant leaf.

Instead, look at the plant's future growth.

If your Philodendron receives suitable care and continues maturing, newly produced leaves may become progressively larger.

How Long Does It Take to Grow Bigger Philodendron Leaves?

There is no fixed timeline.

Different Philodendrons grow at different rates.

Factors affecting growth include:

Species and genetics
Plant maturity
Light
Root health
Climbing support
Temperature
Water availability
Nutrient supply

Some actively growing Philodendrons produce new leaves relatively frequently, while others grow more slowly.

A young cutting may take considerable time to develop mature foliage.

Instead of expecting giant leaves within a specific number of weeks, compare several successive leaves.

Gradual increases in leaf size are a positive sign.

Why Are My Philodendron Leaves Getting Smaller?

Sometimes, a Philodendron that previously produced larger leaves begins growing smaller ones.

This can be disappointing, especially when you have spent months encouraging mature growth.

Possible reasons include:

Reduced Light

Moving a plant into a darker location may limit new growth.

Loss of Climbing Support

Some climbing Philodendrons may begin producing smaller, less mature leaves when their growth is no longer supported.

Root Damage

Damaged roots can restrict water and nutrient absorption.

Recent Propagation

A cutting taken from a mature plant may initially produce smaller leaves while it establishes a new root system.

Environmental Stress

Sudden changes in temperature, humidity, watering, or light may temporarily affect leaf development.

Pests

Spider mites, thrips, and other pests can damage foliage and weaken plant growth.

If new leaves are shrinking, identify the underlying cause before making several changes at once.

Should You Prune Your Philodendron to Make Leaves Bigger?

Pruning can encourage branching and help manage the plant's shape.

However, pruning doesn't automatically produce larger leaves.

In fact, newly developing shoots after substantial pruning may initially produce smaller, juvenile foliage.

If your primary goal is larger leaves on a climbing Philodendron, maintaining a healthy climbing stem with suitable support may be more useful than repeatedly cutting it back.

Prune when necessary for plant health or shape, rather than assuming it will force bigger leaves.

Best Philodendrons for Collectors Who Love Big Leaves

If you enjoy dramatic tropical foliage, certain Philodendrons can become particularly impressive as they mature.

Philodendron melanochrysum

Philodendron melanochrysum is well known for its elongated, velvety foliage.

Mature leaves can become dramatically larger than juvenile leaves under suitable conditions.

This climbing species can benefit from an appropriate support.

Philodendron gloriosum

Philodendron gloriosum is appreciated for its beautiful heart-shaped foliage and striking veins.

Unlike climbing Philodendrons, this species grows horizontally.

A wide container that accommodates its crawling growth habit is generally more suitable than a vertical moss pole.

Philodendron hastatum

Philodendron hastatum, commonly called Silver Sword Philodendron, is loved for its distinctive silvery-green foliage.

Its climbing growth habit makes it an interesting choice for collectors who want to encourage more mature leaf development.

Philodendron billietiae

Philodendron billietiae is popular for its elongated foliage and distinctive petioles.

With sufficient space and appropriate care, established plants can develop impressive tropical leaves.

Philodendron Florida Ghost

Philodendron Florida Ghost is a collectible climbing Philodendron known for its unusual foliage and distinctive new leaf coloration.

As the plant matures, its foliage can develop more pronounced lobes and a dramatic appearance.

Each species has its own growth potential, so choose a Philodendron that matches your available space and growing conditions.

Common Mistakes When Trying to Grow Bigger Philodendron Leaves

Avoid these mistakes:

Using a moss pole for every Philodendron. Crawling and self-heading types may need different growing setups.

Expecting old leaves to grow larger. Focus on healthy future growth instead.

Providing insufficient light. A plant may survive in low light but produce smaller leaves.

Overfertilizing. Excessive feeding can damage roots.

Overwatering. Constantly wet growing media can cause root decline.

Pruning too frequently. Repeatedly restarting growth may delay the development of mature foliage.

Ignoring the root system. Strong foliage development depends on healthy roots.

Expecting immediate results. Larger foliage usually develops gradually as a plant matures.

A Simple Routine for Growing Bigger Philodendron Leaves

If your goal is to encourage larger foliage, follow this practical routine.

First, identify the growth habit. Find out whether your Philodendron climbs, crawls, or grows upright.

Second, improve the lighting. Provide sufficient bright, indirect light without exposing the plant suddenly to harsh sunlight.

Third, provide the appropriate growing structure. Use a climbing support for suitable species, or provide horizontal growing space for crawling types.

Fourth, check the roots. Make sure the root system is healthy and the growing medium provides adequate drainage and aeration.

Fifth, maintain stable watering. Avoid prolonged dryness and waterlogged roots.

Sixth, provide balanced nutrition. Fertilize appropriately during active growth.

Finally, monitor new leaves. Compare leaf size over several growth cycles and adjust care only when necessary.

Consistency is usually more useful than constantly changing your plant care routine.

Buying Mature Philodendrons vs Young Plants

If your dream is to own a Philodendron with dramatic, oversized foliage, you have two main options.

You can start with a young plant and enjoy watching its leaves develop as it matures.

Or you can choose an established, more mature specimen that already displays larger leaves.

Young plants can be more affordable and rewarding to grow, but they require patience.

Mature plants may provide an immediate tropical statement, although they often require more growing space.

Before buying, consider the plant's size, maturity, roots, growth habit, and environmental needs.

Discover Rare Philodendrons at Aroid Market

At Aroid Market, we appreciate the incredible diversity of tropical foliage plants.

From velvety Philodendron melanochrysum to crawling Philodendron gloriosum, climbing Philodendron hastatum, and other collectible varieties, Philodendrons offer something special for every collector.

Whether you're searching for a young plant to grow and mature yourself or an established specimen with impressive foliage, exploring different species can be an exciting part of building a collection.

Our plant selection includes rare and collectible Philodendrons sourced from Indonesia.

For customers in the United States, we also help simplify international purchasing through our USA forwarding system.

For eligible orders, our team coordinates the import procedures through our forwarding arrangement, so customers don't need to arrange their own import permits or customs brokerage.

If you love tropical foliage and want to explore more unusual Philodendrons, discover our collection.

Explore Rare Philodendron Plants at Aroid Market.

Frequently Asked Questions About Philodendron Leaf Size

How do I make my Philodendron leaves bigger?

Provide sufficient indirect light, healthy roots, appropriate watering, balanced fertilizer, and suitable growing conditions. For climbing species, a moss pole or other support may encourage larger, more mature leaves.

Does a moss pole make Philodendron leaves bigger?

A moss pole can help many climbing Philodendrons develop larger foliage by supporting their natural climbing growth. However, it isn't necessary for every Philodendron species.

Why are my Philodendron's new leaves smaller?

Possible causes include insufficient light, root problems, loss of climbing support, recent propagation, environmental stress, or natural juvenile growth.

Can Philodendron leaves grow bigger after opening?

Young leaves may continue expanding after unfurling. Once fully expanded and mature, however, they generally won't increase significantly in size.

Does higher humidity make Philodendron leaves bigger?

Suitable humidity can support healthy growth, but it does not guarantee larger leaves. Light, maturity, root health, and growth habit are also important.

How long does it take for a Philodendron to produce mature leaves?

The timeline varies by species, plant maturity, and growing conditions. Some plants develop larger leaves over successive growth cycles, while others may require much longer.

Should I cut small Philodendron leaves off?

Usually not. Healthy small leaves still contribute to photosynthesis. Removing them won't automatically make future leaves larger.

Can I grow big Philodendron leaves indoors?

Yes. Many Philodendrons can produce impressive mature foliage indoors when provided with sufficient light, suitable growing conditions, and the correct growth structure.

Do all Philodendrons need to climb?

No. Some Philodendrons climb, others crawl horizontally, and some have upright or self-heading growth habits. Their care should reflect those differences.

Final Thoughts: Bigger Leaves Start With Better Growing Conditions

Growing bigger Philodendron leaves isn't about finding a miracle fertilizer or a secret trick.

It's about understanding how your plant naturally grows.

For climbing species, suitable support and adequate light can make a meaningful difference.

For crawling Philodendrons, providing enough horizontal space is equally important.

And for every Philodendron, healthy roots, appropriate moisture, balanced nutrition, and stable conditions form the foundation for strong growth.

The most rewarding part is watching your plant gradually develop.

One new leaf may be slightly larger than the last. Another may show a more mature shape. Over time, your Philodendron can become an impressive tropical display.

Ready to discover your next favorite Philodendron? Explore the Philodendron Collection at AroidMarket.com and find beautiful tropical plants for your collection.