Gunnera vs Heartleaf Philodendron Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Gunnera

Gunnera

Gunnera manicata

VS
Heartleaf Philodendron

Heartleaf Philodendron

Philodendron hederaceum

Gunnera

Gunnera

Gunnera manicata

Gunnera manicata, commonly known as Giant Rhubarb, is a massive, rhizomatous perennial plant prized for its enormous, textured leaves. Native to South America, it is primarily an outdoor plant, grown for its dramatic architectural presence in gardens and near water features. The leaves can reach impressive sizes, up to 2.5 meters across, creating a bold statement. While admired for its striking appearance, it is not suitable for indoor cultivation due to its size and specific environmental needs. It produces cone-shaped inflorescences of small reddish-green flowers in the summer.

Gunneraceae Southern Brazil, Colombia
✨ Features: Dramatic foliage, architectural presence
📖 Read Complete Gunnera Guide
Heartleaf Philodendron

Heartleaf Philodendron

Philodendron hederaceum

Philodendron hederaceum, commonly known as Heartleaf Philodendron, is a popular vining plant prized for its glossy, heart-shaped leaves. Native to tropical regions, it thrives in warm, humid environments. It's a relatively easy-to-grow houseplant, making it a favorite among beginners. The plant's trailing habit makes it suitable for hanging baskets or allowing it to climb with support. While it can be grown outdoors in suitable climates, it's primarily cultivated as an indoor plant due to its sensitivity to cold temperatures. People grow it for its attractive foliage, air-purifying qualities, and ease of care.

Araceae Tropical America
✨ Features: Air purifying
📖 Read Complete Heartleaf Philodendron Guide

Quick Plant Comparison

Feature Gunnera Heartleaf Philodendron
Light Full sun to partial shade Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering 2-3 times per week, depending on weather conditions Every 7-10 days, depending on environmental conditions
Humidity 60-80% 50-70%
Temperature 10-25°C 18-24°C
Care Level Expert Easy
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters 1-2 meters indoors (trailing length)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 30 minutes weekly during the growing season 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Gunnera

Scientific Name Gunnera manicata
Family Gunneraceae
Native To Southern Brazil, Colombia
Also Known As Giant Rhubarb, Dinosaur Food
Leaves The leaves of Gunnera manicata are palmate, deeply lobed, and heavily textured with prominent veins. They are typically dark green and can reach up to 2.5 meters in diameter. The leaf stalks are thick and prickly.
Flowers Gunnera manicata produces cone-shaped inflorescences of small reddish-green flowers in the summer. The flowers are not particularly showy but add to the plant's overall architectural interest. It rarely flowers indoors.

Heartleaf Philodendron

Scientific Name Philodendron hederaceum
Family Araceae
Native To Tropical America
Also Known As Heartleaf Philodendron, Sweetheart Plant
Leaves Heart-shaped leaves that are typically 5-10 cm long. They are glossy and dark green, with a smooth texture. New leaves emerge a lighter green and gradually darken as they mature.
Flowers Rarely flowers indoors. When it does flower, it produces a spathe and spadix, typical of plants in the Araceae family, but the flowers are not particularly showy.

📏 Size & Growth — Plant Comparison

Gunnera

Height Not applicable for indoor growing. Outdoors: 2-3 meters
Spread Spreads via rhizomes, can reach 4-5 meters wide
Growth Rate Fast
Growth Pattern Gunnera manicata grows from a large, rhizomatous base. It produces enormous leaves that unfurl from the center of the plant, creating a dense and spreading canopy. It is a vigorous grower and can quickly fill a large space.

Heartleaf Philodendron

Height 1-2 meters indoors (trailing length)
Spread Variable, depending on support or container size, can spread several feet
Growth Rate Moderate
Growth Pattern Trailing or climbing vine. It can be trained to climb up a support or allowed to cascade down from a hanging basket or shelf. The stems can grow quite long over time.

🌱 Propagation — Comparing Plant Growth

Gunnera

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or late fall. Sow seeds in spring after a period of cold stratification.

Heartleaf Philodendron

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings with at least one node. Place in water or directly into moist potting mix. Roots will typically develop within a few weeks. Keep the cutting in a warm, humid environment.

✨ Benefits & Features — Comparing Plant Value

Gunnera

Gunnera manicata is unique due to its massive size and dramatic foliage, making it a standout architectural plant. Its leaves are among the largest of any herbaceous plant, creating a prehistoric and tropical aesthetic.

  • ✓ Adds a dramatic, architectural element to the garden.
  • ✓ Provides a focal point and visual interest.
  • ✓ Creates a lush, tropical atmosphere.
  • ✓ Attracts beneficial insects and pollinators.
  • ✓ Can be used to create shade and shelter for other plants.
  • ⚠️ Toxic to pets

Heartleaf Philodendron

The Heartleaf Philodendron is known for its glossy, heart-shaped leaves and trailing growth habit. It's a relatively low-maintenance plant that can tolerate a wide range of conditions. Its adaptability makes it a popular choice for both beginners and experienced plant owners.

  • ✓ Improves air quality by removing toxins.
  • ✓ Adds a touch of greenery and life to any space.
  • ✓ Easy to care for, making it a great choice for beginners.
  • ✓ Can be propagated easily, allowing you to expand your plant collection.
  • ✓ Creates a relaxing and calming atmosphere.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Gunnera

Repotting Not applicable for indoor growing. Outdoors: Divide every few years to control spread.
Pruning Remove dead or damaged leaves as needed. Cut back flower spikes after blooming.
Fertilizing Balanced slow-release fertilizer in spring, followed by liquid fertilizer every 4-6 weeks during the growing season
Seasonal Care In winter, protect the crown of the plant with a thick layer of mulch or its own dried leaves. In summer, ensure consistent moisture and provide shade during the hottest part of the day.

Heartleaf Philodendron

Repotting Every 1-2 years, or when the plant becomes root-bound
Pruning Prune to maintain shape and encourage bushier growth. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care Reduce watering in winter when growth slows. Maintain consistent temperatures and humidity levels year-round.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Heartleaf Philodendron

Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ✅ Yes

💧 Watering Needs

Gunnera

Requires consistently moist soil. Water deeply and regularly, especially during dry periods. Overwatering can lead to root rot, so ensure good drainage. Underwatering will cause the leaves to wilt and brown around the edges.

Heartleaf Philodendron

Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Heartleaf Philodendron

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Gunnera

Gunnera

Gunnera manicata
Care: Expert Time: 30 minutes weekly during the growing season Beginner: No

Gardeners with large properties and a desire for a dramatic, architectural plant.

✅ Choose This Plant If...

  • You have a large garden with a pond or stream.
  • You want a dramatic, architectural plant to make a statement.
  • You live in a region with mild, wet summers.
  • You are prepared to provide consistent moisture and protection from harsh weather.
  • You enjoy the challenge of growing unique and demanding plants.

❌ Skip This Plant If...

  • You have a small garden or limited space.
  • You are looking for an easy-to-care-for plant.
  • You live in a dry climate with limited water resources.
  • You have pets that might ingest the plant.
  • You want an indoor plant.
📍 Ideal Location: Not suitable for indoor growing. Outdoors: Near a pond or stream in a large garden.
🎨 Style: Tropical, Architectural, Dramatic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Gunnera species as containing oxalates, which can be toxic to dogs, cats, and horses. Symptoms include excessive salivation, vomiting, diarrhea, and loss of appetite. All parts of the plant are considered toxic.
Heartleaf Philodendron

Heartleaf Philodendron

Philodendron hederaceum
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Beginners looking for an easy-to-care-for trailing plant.

✅ Choose This Plant If...

  • You want a low-maintenance plant that is easy to care for.
  • You are looking for a trailing plant to add greenery to shelves or hanging baskets.
  • You want a plant that can tolerate low light conditions.
  • You want a plant that helps purify the air.
  • You are a beginner plant owner.

❌ Skip This Plant If...

  • You have pets that are prone to eating plants.
  • You tend to overwater your plants.
  • You are looking for a plant that requires minimal pruning.
📍 Ideal Location: Living room, bedroom, or office with bright, indirect light
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains insoluble calcium oxalates. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing. All parts of the plant are toxic.

🎯 Quick Verdict

Best for Beginners Heartleaf Philodendron
Pet Friendly Neither - caution
Less Maintenance Heartleaf Philodendron
Apartment Friendly Heartleaf Philodendron

⚡ Key Differences Between These Plants

🎯

Gunnera is rated Expert care level, while Heartleaf Philodendron is Easy.

📈

Gunnera has fast growth, while Heartleaf Philodendron grows moderate.

💡 Pro Tips For Comparing These Plants

Gunnera Care Tips

Gunnera manicata is an outdoor plant that requires expert care due to its large size and specific environmental needs. It is not suitable for indoor cultivation. It needs ample space, consistent moisture, and protection from harsh weather conditions. Challenges include managing its aggressive growth and preventing root rot.

  • Provide consistent moisture, especially during dry periods.
  • Protect the crown of the plant in winter with a thick layer of mulch.
  • Fertilize regularly during the growing season.
  • Monitor for pests and diseases and treat promptly.
  • Provide shade during the hottest part of the day to prevent leaf scorch.
❄️ Winter: In winter, cut back the leaves and use them to cover the crown of the plant as insulation. Add a thick layer of mulch for extra protection in colder climates. Ensure the soil is well-drained to prevent root rot.
☀️ Summer: In summer, provide consistent moisture and shade during the hottest part of the day. Fertilize regularly to support vigorous growth. Monitor for pests and diseases and treat promptly.

Heartleaf Philodendron Care Tips

Heartleaf Philodendron is a low-maintenance houseplant that thrives in bright, indirect light and well-draining soil. Avoid overwatering and provide adequate humidity. It's a great choice for beginners due to its adaptability and resilience.

  • Allow the top inch of soil to dry out between waterings to prevent root rot.
  • Provide bright, indirect light for optimal growth.
  • Fertilize regularly during the growing season (spring and summer).
  • Prune regularly to maintain shape and encourage bushier growth.
  • Wipe the leaves occasionally to remove dust and improve photosynthesis.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Maintain adequate humidity levels, as indoor heating can dry out the air.
☀️ Summer: Water more frequently during the summer months as the plant is actively growing. Provide adequate shade to protect the leaves from scorching in direct sunlight. Increase humidity levels if possible.

⚠️ Common Problems & Solutions — Plant Care Comparison

Gunnera

Common Issues: Root rot, Leaf scorch, Pests (slugs, snails)
Solutions: Ensure good drainage to prevent root rot. Provide shade during the hottest part of the day to prevent leaf scorch. Use slug and snail bait or handpick pests.

Heartleaf Philodendron

Common Issues: Yellowing leaves, Root rot, Leggy growth, Pests (spider mites, mealybugs)
Solutions: Yellowing leaves: Adjust watering schedule, check for pests. Root rot: Repot in fresh, well-draining soil and reduce watering. Leggy growth: Provide more light and prune back stems. Pests: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Gunnera

What are the light requirements for Gunnera?

Gunnera thrives in bright, indirect light. Direct sunlight can scorch its large leaves, leading to unsightly brown spots and stunted growth. An east-facing window is often ideal, providing gentle morning sun followed by ample shade throughout the day. If grown indoors, supplement with grow lights if natural light is insufficient. Avoid placing Gunnera in a dimly lit area, as this can result in leggy growth and smaller, less vibrant leaves. Rotate the plant regularly to ensure even light exposure on all sides. If growing outdoors, choose a location that receives partial shade, particularly during the hottest part of the day.

How do I care for Gunnera?

Gunnera demands consistent moisture and high humidity to thrive. Position in bright, indirect light, avoiding direct sunlight which can scorch the leaves. Water generously, ensuring the soil remains consistently damp but not waterlogged. A well-draining soil mix rich in organic matter is crucial. Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune away dead or damaged leaves to encourage new growth and maintain plant health. Provide adequate space for the plant to grow, as it can reach significant sizes. Consider using a humidifier or pebble tray to increase humidity levels, especially indoors. Protect from frost and extreme temperatures. Regularly inspect for pests and diseases, addressing any issues promptly.

How do I propagate Gunnera?

Gunnera can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting from a healthy stem and root it in water or moist potting mix. For division, carefully separate the rhizome into smaller sections, ensuring each section has roots and leaves. Plant each section in its own pot. Air layering involves wrapping a section of stem with moist sphagnum moss and covering it with plastic wrap until roots develop. Once roots have formed, cut the stem below the roots and plant in its own pot. Maintain high humidity and consistent moisture during the propagation process. Spring and early summer are the best times for propagation. Ensure proper sanitation to prevent fungal infections.

Heartleaf Philodendron

What are the light requirements for Heartleaf Philodendron?

Heartleaf Philodendrons thrive in bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, though growth may be slower.

How do I care for Heartleaf Philodendron?

Heartleaf Philodendrons are relatively easy to care for, making them ideal for beginners. Provide bright, indirect light; avoid direct sunlight, which can scorch the leaves. Water when the top inch of soil feels dry to the touch, typically every 1-2 weeks, allowing excess water to drain away to prevent root rot. Maintain a humidity level of 50-70%, which can be achieved by misting regularly, using a humidifier, or placing the plant on a pebble tray filled with water.

How do I propagate Heartleaf Philodendron?

Heartleaf Philodendrons are easily propagated through stem cuttings. Take a cutting with at least one node (the point where a leaf emerges). Remove the lower leaves and place the cutting in water, ensuring the node is submerged. Roots should develop within a few weeks. Once the roots are an inch or two long, plant the cutting in well-draining potting mix.

Last updated: May 15, 2026 — Plant care data reviewed and verified by our editorial team.