Gunnera vs Madagascar Palm 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
Madagascar Palm

Madagascar Palm

Pachypodium lamerei

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
Madagascar Palm

Madagascar Palm

Pachypodium lamerei

Despite its common name, Pachypodium lamerei is not a true palm. It's a succulent shrub or small tree characterized by a thick, silvery-gray trunk covered in sharp spines. Long, narrow, green leaves grow primarily at the top of the trunk. It's native to Madagascar's dry regions and is grown as an ornamental plant for its unique appearance. While it can be grown indoors, it thrives in bright, sunny conditions and requires careful watering to prevent root rot. It is popular for its architectural form and drought tolerance.

Apocynaceae Southern Madagascar
✨ Features: Unique architectural form, drought tolerance
📖 Read Complete Madagascar Palm Guide

Quick Plant Comparison

Feature Gunnera Madagascar Palm
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering 2-3 times per week, depending on weather conditions Every 2-4 weeks, depending on environmental conditions and pot size.
Humidity 60-80% 30-50%
Temperature 10-25°C 18-29°C
Care Level Expert Expert
Growth Rate Fast Slow
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters Indoors: 1-2 meters. Outdoors: up to 6 meters.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining cactus or succulent mix
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 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.

Madagascar Palm

Scientific Name Pachypodium lamerei
Family Apocynaceae
Native To Southern Madagascar
Also Known As Madagascar Palm
Leaves Long, narrow, lance-shaped leaves, typically 10-30 cm long and 1-3 cm wide. They are a vibrant green color and have a leathery texture. Leaves are primarily found at the top of the trunk.
Flowers Rarely flowers indoors. Outdoors, it produces clusters of white, fragrant flowers.

📏 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.

Madagascar Palm

Height Indoors: 1-2 meters. Outdoors: up to 6 meters.
Spread Indoors: 0.5-1 meter. Outdoors: 1-2 meters.
Growth Rate Slow
Growth Pattern Upright, columnar growth with a thick, spiny trunk. Leaves are clustered at the top of the trunk. It slowly increases in height and diameter 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.

Madagascar Palm

Methods: Seed, Stem cuttings (difficult)

Difficulty: Difficult

Tips: Stem cuttings are difficult to root and require careful attention to prevent rot. Allow the cut end to callous over for several days before planting in well-draining soil. Seeds require scarification and warm temperatures for germination.

✨ 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

Madagascar Palm

The Madagascar Palm is not a true palm but a succulent with a thick, spiny trunk. It stores water in its trunk, making it drought-tolerant. The plant's sap is toxic.

  • ✓ Unique architectural element
  • ✓ Drought tolerant
  • ✓ Low maintenance once established
  • ✓ Conversation starter
  • ✓ Adds a touch of the exotic to your home
  • ⚠️ 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.

Madagascar Palm

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Remove dead or damaged leaves. Pruning is generally not necessary.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied during the growing season (spring/summer) every 4-6 weeks.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round. Protect from frost.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Madagascar Palm

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.

Low light tolerant: ❌ No

💧 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.

Madagascar Palm

Water thoroughly when the soil is dry to the touch. Allow the soil to dry out completely between waterings, especially during the dormant winter months. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves and a soft trunk. Signs of overwatering include yellowing leaves and a mushy trunk.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Madagascar Palm

Temperature: 18-29°C

Humidity: 30-50%

🤔 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.
Madagascar Palm

Madagascar Palm

Pachypodium lamerei
Care: Expert Time: 10 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide bright light and careful watering.

✅ Choose This Plant If...

  • You want a unique and sculptural plant for a sunny location.
  • You are experienced with succulent care and understand the importance of well-draining soil.
  • You are looking for a drought-tolerant plant.
  • You appreciate plants with interesting textures and forms.
  • You have a space that receives at least 6 hours of direct sunlight daily.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant or come into contact with the sap.
  • You tend to overwater plants.
  • You do not have a location with sufficient sunlight.
  • You are a beginner plant owner.
📍 Ideal Location: South-facing window or sunroom
🎨 Style: Desert, Modern, Southwestern
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are considered toxic, especially the sap. It contains cardiac glycosides. Contact with the sap can cause skin irritation in humans and is toxic to dogs, cats, and horses if ingested. Symptoms include vomiting, diarrhea, and cardiac abnormalities. ASPCA confirms toxicity.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Gunnera has fast growth, while Madagascar Palm grows slow.

💡 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.

Madagascar Palm Care Tips

Pachypodium lamerei requires bright sunlight and well-draining soil. Overwatering is a common problem, especially indoors. It is toxic to pets and requires careful handling due to its spines. Maintaining proper humidity and temperature levels can be challenging indoors.

  • Provide excellent drainage to prevent root rot.
  • Allow the soil to dry out completely between waterings.
  • Provide at least 6 hours of direct sunlight daily.
  • Fertilize sparingly during the growing season.
  • Protect from frost.
❄️ Winter: Reduce watering significantly during the winter months as the plant enters dormancy. Ensure it still receives adequate sunlight. Protect from temperatures below 10°C.
☀️ Summer: Water more frequently during the summer growing season, but always allow the soil to dry out between waterings. Provide ample sunlight and consider fertilizing every 4-6 weeks.

⚠️ 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.

Madagascar Palm

Common Issues: Root rot, spider mites, mealybugs, leaf drop (due to insufficient light or overwatering)
Solutions: Root rot: Improve drainage, reduce watering frequency. Spider mites/Mealybugs: Insecticidal soap or neem oil. Leaf drop: Increase light exposure, adjust watering schedule.

❓ 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.

Madagascar Palm

What are the light requirements for Madagascar Palm?

Madagascar Palms crave bright, direct sunlight. A south-facing window is ideal, providing at least 6-8 hours of sunlight daily. If natural light is insufficient, supplement with a grow light. Insufficient light will cause etiolation, resulting in a leggy and weak plant. Rotate the plant regularly to ensure even growth on all sides. During the summer months, it can benefit from being moved outdoors to a sunny location, but be sure to acclimate it gradually to prevent sunburn. Monitor the leaves for signs of sunburn, such as scorching or discoloration, and adjust the plant’s position accordingly.

How do I care for Madagascar Palm?

The Madagascar Palm is relatively easy to care for, making it a great choice for succulent enthusiasts. Provide it with plenty of bright, direct sunlight. Water thoroughly when the soil is completely dry, typically every 2-4 weeks, depending on the environment. Ensure the pot has excellent drainage to prevent root rot. Use a well-draining succulent or cactus mix. Fertilize sparingly during the growing season (spring and summer) with a diluted balanced fertilizer. During winter, reduce watering significantly. Repot every 2-3 years as needed. Protect from frost and temperatures below 50°F (10°C). Prune dead leaves as needed. Watch out for common pests like mealybugs and spider mites.

How do I propagate Madagascar Palm?

Propagating Madagascar Palm is challenging but possible through offsets or stem cuttings. Offsets, which are small plantlets that grow at the base of the plant, can be carefully separated and potted in well-draining soil. Allow the cut end to callous over for a few days before planting. Stem cuttings can also be attempted, but success rates are lower. Take a cutting from a healthy stem, let it callous over, and then plant it in well-draining soil. Keep the soil slightly moist but not waterlogged. Rooting hormone can improve the chances of success. Leaf cuttings are not effective for Madagascar Palm propagation. Provide warmth and bright, indirect light during propagation.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.