Syngonium Macrophyllum (Frosted Heart) Species Profile & Care Guide

Syngonium Macrophyllum, commonly called Frosted Heart, is a tropical plant valued for its decorative appeal.

Native to rainforests in Latin America, it thrives in warm, humid environments.

This vining plant is known for its unique heart-shaped leaves with a frosty sheen, making it a popular choice for indoor gardeners.

Syngonium Macrophyllum (Frosted Heart)

Profile Overview

Syngonium Macrophyllum, also known as Frosted Heart, is a beautiful plant with a unique profile. Here is a quick list of its key characteristics:

  • Common Name: Frosted Heart
  • Scientific Name: Syngonium Macrophyllum
  • Family: Araceae
  • Origin/Native Region: Central and South America
  • Growth Habit: Climbing or trailing vine

Each point gives you basic information about the Frosted Heart plant, such as what people commonly call it, its scientific name that scientists use, the family of plants it belongs to, where it originally comes from, and how it tends to grow.

Understanding these facts can help you get to know your Frosted Heart plant better.


The Syngonium Macrophyllum (Frosted Heart) has a striking look that catches the eye. Its leaves grow quite large and have a distinctive heart shape.

The color of the leaves is a mix of green with a frosted appearance, which is why it’s often called “Frosted Heart.” The stems are also notable for their length and can either climb up structures or trail down from pots.

When the plant matures, it can reach a significant size, which makes it a lovely addition to indoor spaces. Each feature of the Frosted Heart—from its leaf size and shape to its color and stems—adds to its overall beauty and unique appearance.

Leaf Size

The Syngonium Macrophyllum ‘Frosted Heart’ has large leaves. They can grow quite big as the plant matures, reaching lengths of up to 10-14 inches.

However, when you buy the plant from a store, the leaves are usually smaller. As you care for the plant at home, you’ll notice the leaves expanding over time.

The pace at which they grow larger depends on the environment you provide, such as the right amount of light and water.

Remember, healthy plants have the potential to show off their large, beautiful leaves.

Leaf Shape

The Syngonium Macrophyllum ‘Frosted Heart’ sports leaves with a distinct shape. As they mature, their form changes. Young leaves start with a heart shape, hence the name “Frosted Heart.”

Over time, these evolve into a more complex structure with several pointed sections, known as lobes. These lobes often make the leaves look like delicate arrows or elongated hearts.

This distinct shape is one of the reasons why plant enthusiasts enjoy having it in their collection.

Leaf Color

The Syngonium Macrophyllum ‘Frosted Heart’ is known for its striking leaf color. Its leaves possess a range of green shades, often adorned with a frosted, silvery overlay that gives the plant its name.

The colors can change slightly depending on how much light the plant gets. In bright, indirect light, the leaves may appear more vibrant and the silvery sheen more pronounced.

On the other hand, in less light, the green might look deeper and the frosting less noticeable. Each leaf is unique, adding to the visual interest of this houseplant.

Stem Characteristics

The Syngonium Macrophyllum ‘Frosted Heart’ has stems that are long and may either climb or trail, depending on support.

These stems are green and may appear slightly pale or have a subtle silvery sheen that matches the leaves. As the plant grows, the stems develop nodes, which are points where leaves sprout.

When provided with something to climb, like a moss pole, the stems can become more robust and thicker. However, if left to trail, they will spread out horizontally or drape down from a hanging basket or shelf.

The stems are also where roots can form, especially when the nodes come into contact with moist soil, which is helpful for propagation.

Mature Size

The mature size of a plant tells you how big it can grow when it’s fully developed. For the Syngonium Macrophyllum, also known as Frosted Heart, this means it can get quite tall and spread out.

This species typically reaches a height of up to 3 to 6 feet and can spread around the same in width. However, the size it grows to can be influenced by the amount of care and the environment you provide.

In other words, with the right conditions, your Frosted Heart can flourish and reach its full size, adding a lush vibe to your space.

Care Requirements

Taking care of a Syngonium Macrophyllum, also known as Frosted Heart, involves meeting its basic needs. This means giving it the right amount of light, water, warmth, and humidity to stay healthy.

It also includes using soil that the plant likes. When you know what this plant needs and keep its living conditions right, it will grow well and look beautiful.

Just like you would care for a pet, you need to understand what the Frosted Heart plant requires and make sure you provide it consistently.

This is how you help your plant thrive, just like making sure a pet has food, water, and a comfy place to sleep.

Light Needs

Syngonium Macrophyllum ‘Frosted Heart’ enjoys bright, indirect light. Place it near a window where the sun does not directly hit the leaves.

Direct sunlight can burn the leaves, causing them to turn brown. However, too little light can make the plant grow slower and lose its vibrant color.

The best spot for this plant is in a room with a lot of natural light, but away from the harsh afternoon sun.

If you’re unsure about the light, a good rule of thumb is if you can read a book comfortably without artificial light, then it’s likely bright enough for your ‘Frosted Heart’.

Watering Frequency

Watering frequency for the Syngonium Macrophyllum, or Frosted Heart, means how often you should give water to the plant. This plant likes its soil to be moist but not soaked.

You should water it when the top inch of the soil feels dry to touch. Typically, this might be once a week, but it can vary. Factors like the humidity of the room, the season, and how much light the plant gets can change how quickly the soil dries out.

Therefore, always check the soil first to see if it needs water. If you water too much, the plant’s roots can rot. If you water too little, the leaves can dry out and turn brown.

Humidity Preferences

Syngonium Macrophyllum ‘Frosted Heart’ likes high humidity. This means it enjoys being in air that is moist, like what you feel in a steamy bathroom after a hot shower.

If the air around is too dry, the plant may not grow as well. You can raise the moisture in the air by misting the plant with water or placing a humidifier nearby.

In this way, you create an environment that keeps the plant happy and healthy.

Temperature Range

The Syngonium Macrophyllum ‘Frosted Heart’ likes to live in a warm area. It thrives best in temperatures between 60°F and 85°F (16°C to 29°C). You should keep your plant away from cold drafts and heating or cooling vents.

The leaves could get damaged if the temperature drops below 55°F (13°C) or if it gets too hot. Therefore, make sure your ‘Frosted Heart’ stays cozy but not too warm.

It’s like how you would feel comfortable in a room that’s neither too chilly nor too stuffy.

Soil Type & pH Preferences

Syngonium Macrophyllum (Frosted Heart) thrives in a specific kind of soil. This plant prefers soil that drains water well and is rich in organic matter.

The soil should not hold too much water, or the plant’s roots can rot. The pH level, which measures how acidic or basic the soil is, is also important for this plant.

The ideal pH for the Frosted Heart is between 5.5 and 6.5, which is slightly acidic. Using the right soil type and pH level helps ensure your plant grows healthy and strong.

Growth & Propagation

Growth and propagation are about how a plant increases in size and makes more plants like itself. A plant grows by adding new leaves, stems, and sometimes flowers.

Propagation is when you take a part of the plant, like a leaf or stem, and help it grow into a new plant. This can happen in different ways, such as through seeds, cuttings, or even just by separating one plant into smaller parts.

Each species of plant has its own speed of growth and preferred methods of propagation. For example, some plants grow quickly, while others take more time.

Some plants are easy to propagate, meaning they start new plants easily, while others might need special care to multiply.

Growth Rate

The growth rate of a plant tells how quickly it grows. The Syngonium Macrophyllum, known as the Frosted Heart, has a moderate growth rate.

This means it doesn’t shoot up overnight but it doesn’t take years to grow either. When given the right care, you can expect this plant to grow steadily, filling out its space over time.

It will not grow too fast, so you don’t have to worry about it taking over your space quickly.

Propagation Methods

Propagation means making new plants from an existing one. You can propagate Syngonium Macrophyllum in a few ways. One common method is to cut a piece of the stem that has a node—the part where leaves grow from.

Place this cutting in water until it roots, which means when you see new roots growing. Then, you can plant it in soil. Another way is to put the stem cutting directly into moist soil.

Keep the soil damp and in a couple of weeks, it should start to root. Remember, propagation works best during the plant’s growing season, usually in spring or early summer.

Season of Active Growth

The season of active growth for the Syngonium Macrophyllum, or Frosted Heart, is when it grows most. This period usually happens in the spring and summer.

During these warmer months, the plant has more energy from light to make new leaves and stems. You should water it more often and may need to give it extra food.

When fall comes, and it gets cooler, the Frosted Heart grows slower and needs less care. Remember to watch for these changes to keep your plant happy.

Potting and Repotting Recommendations

When your Frosted Heart plant gets too big for its pot, it needs a new home. Choose a pot that is slightly larger than the current one.

Pots with drainage holes prevent water from sitting at the bottom and causing root rot. Use fresh soil that drains well to give your plant a healthy start.

Repot in spring, right before the growing season. This helps your plant adjust easily and start growing new leaves. Remember, repotting every couple of years is good for your plant’s health.

Potential Issues

Caring for a Syngonium Macrophyllum (Frosted Heart) might come with some challenges. This plant can face problems caused by pests, diseases, and certain conditions that it doesn’t like.

For example, tiny bugs can decide to make a home on your plant, or it might start to feel sick if it’s too wet or dry. However, with the right attention, you can prevent or fix these issues and keep your plant healthy.

It’s essential to know what could go wrong so you can watch out for these problems and take action quickly.

Therefore, being informed about what troubles your Frosted Heart plant might encounter helps you to keep it in good shape.

Common Pests

Pests are little bugs that can harm your Syngonium Macrophyllum plant. These insects may feed on the leaves or sap, causing damage.

Some common pests to watch out for include:

  • Spider mites: Tiny spiders that create webs on the plant.
  • Aphids: Small green or black bugs that stick to the leaves and stems.
  • Mealybugs: White, cottony insects that gather in leaf joints.

Your plant can get sick if these pests are not controlled. To keep your plant healthy, check it often for these pests. If you find any, you can use soap and water or a special spray to get rid of them.

Common Diseases

Syngonium Macrophyllum, known as Frosted Heart, can get sick just like we can. These plants might face a few health issues caused by fungi, bacteria, or viruses.

For example, leaf spot disease can create brown or black spots on the leaves. Another illness, root rot, happens when the roots stay too wet and start to decay.

This can cause the whole plant to suffer and possibly die. To avoid these problems, keep the leaves dry and don’t overwater your plant.

If you notice any signs of disease, quickly take action by removing the affected parts and improving care.

Other Sensitivities

Syngonium Macrophyllum, or Frosted Heart, can be sensitive to certain conditions. This plant does not like changes in its environment. Moving it from one place to another often may stress the plant.

It also might react badly to tap water with high levels of chemicals like chlorine or fluoride. Over time, these chemicals can harm the plant. It’s best to use filtered or distilled water for your Frosted Heart.

Furthermore, the plant is sensitive to strong fertilizers. Too much feed can burn the roots. Use a weak, diluted fertilizer to prevent this problem.

Always check your plant’s leaves. If they start to turn brown or yellow, it might be a sign of sensitivity to its care.

Special Features & Uses

Syngonium Macrophyllum, also known as the Frosted Heart, has special traits and purposes. It stands out for its unique leaf patterns and is often used to bring a touch of nature indoors.

Its heart-shaped leaves make it an attractive decoration for your home or office. Since the plant can help improve air quality, it’s beneficial for your surroundings.

Be careful, though, as the Frosted Heart is toxic if ingested, so it should be kept away from pets and children. This plant offers both beauty and practical advantages as a natural air purifier.

Unique Characteristics

The Frosted Heart Syngonium has special traits that make it stand out. It shows a striking frosted look on its leaves, giving them a unique silvery sheen.

These glossy leaves reflect light, which adds a sparkle to your plant collection. Unlike other plants, its leaves change shape as it grows.

Young leaves are heart-shaped, but they divide into three or more sections as the plant matures. This transformation fascinates many plant lovers.

Additionally, the Frosted Heart can adapt to various indoor environments, making it a resilient and versatile houseplant. Its ease of care and distinct appearance are why it captures the interest of many.

Decorative Use

The Syngonium Macrophyllum ‘Frosted Heart’ adds beauty to your home with its striking leaves. You can use this plant to brighten up a room by placing it on shelves, in hanging baskets, or on window sills.

Its heart-shaped leaves have a frosty look, making it stand out among other houseplants. Moreover, it’s perfect for creating a mini indoor jungle when paired with different plants.

Since it can climb, you can also train it to grow on small trellises or poles for a more artistic display.

It’s especially appealing in places where the unique texture and color of its leaves can be fully appreciated.


Toxicity refers to whether a plant is safe or harmful to touch or eat. The Syngonium Macrophyllum (Frosted Heart) has a certain level of toxicity.

This means that if humans or pets, like cats and dogs, eat the leaves or stems, it could make them feel sick. Symptoms of poisoning can include mouth irritation, drooling, vomiting, and difficulty swallowing.

Therefore, it’s important to keep this plant away from children and animals who might try to eat it. Always wash your hands after handling the plant to avoid any irritation.

Additional Tips & Tricks

When you care for a Syngonium Macrophyllum (Frosted Heart), remember some handy tips and tricks. These tips will help your plant grow strong and beautiful.

For example, use a fertilizer that’s made for houseplants to feed your plant every month during the spring and summer. But don’t fertilize in fall and winter because the plant grows more slowly then.

Another tip is to prune your plant if it gets too leggy or the leaves look unhealthy. This encourages new growth. Also, if you want your plant to climb, give it a moss pole or another support structure.

Remember, every plant is unique, so watch your Frosted Heart and learn from it to keep it happy.

Fertilization Recommendations

You should feed your Frosted Heart plant regularly. Use a balanced, water-soluble fertilizer once a month during spring and summer. These are the months when the plant grows most.

Make sure to follow the instructions on the fertilizer package. Do not fertilize in fall and winter when the plant’s growth slows down.

Too much fertilizer can harm the plant, so it’s important to get the amount right.

Pruning & Maintenance

Pruning and maintaining your Syngonium Macrophyllum (Frosted Heart) keeps it healthy and looking its best. Cut back any long vines to encourage more leaves to sprout, which makes your plant fuller.

Remove yellow or damaged leaves with a clean, sharp pair of scissors or pruning shears. This not only improves the plant’s appearance but also stops the spread of potential diseases.

Regularly check the topsoil and remove any debris or dead plant material. Doing these simple tasks will help your Syngonium thrive and grow happily.

Support Structures

Support structures are tools or objects that help a plant stay upright and grow the way you want it to. Imagine a young tree leaning to one side; a stake driven into the ground next to it can act as a support structure to keep it straight.

For your Syngonium Macrophyllum, things like moss poles, trellises, or even strings can serve as supports. These structures guide the vines to climb or trail in an organized way.

Using supports can make your plant look better and help it grow stronger by mimicking the natural support it would find in the wild, like other plants or trees.

Syngonium   Updated: November 20, 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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