Gunnera vs May Apple 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
May Apple

May Apple

Podophyllum peltatum

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
May Apple

May Apple

Podophyllum peltatum

Mayapple is a perennial herbaceous plant typically found in woodland areas. It grows from a long, creeping rhizome. Each stem produces either a single, large, umbrella-like leaf or two leaves. The plant produces a solitary white flower that blooms in the spring, hidden beneath the leaves. This flower develops into a greenish-yellow fruit that is edible only when fully ripe. Mayapples are primarily grown for their unique foliage and woodland aesthetic. It is an outdoor plant and faces significant challenges when grown indoors.

Berberidaceae Eastern North America
✨ Features: Unique umbrella-like foliage, edible fruit (when fully ripe), medicinal properties (use with extreme caution and under professional guidance).
📖 Read Complete May Apple Guide

Quick Plant Comparison

Feature Gunnera May Apple
Light Full sun to partial shade Partial to full shade. Requires protection from intense sunlight.
Watering 2-3 times per week, depending on weather conditions 2-3 times per week during the growing season, less frequently during dormancy.
Humidity 60-80% 40-60%
Temperature 10-25°C 15-21°C
Care Level Expert Expert
Growth Rate Fast Moderate, Aggressive Spreader Via Rhizomes
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters 0.3-0.5 meters (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining, humus-rich soil with a slightly acidic to neutral pH.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 15 minutes weekly (outdoor)

🔬 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.

May Apple

Scientific Name Podophyllum peltatum
Family Berberidaceae
Native To Eastern North America
Also Known As Mayapple, American mandrake, Wild mandrake
Leaves Large, rounded, umbrella-like leaves, typically 20-30 cm in diameter. Single-leaved stems do not produce flowers, while double-leaved stems produce a single flower in the fork between the leaves. The leaves are a vibrant green color.
Flowers Rarely flowers indoors. Outdoors, it produces a solitary, nodding white flower in the spring, hidden beneath the leaves.

📏 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.

May Apple

Height 0.3-0.5 meters (outdoor)
Spread Spreads indefinitely via rhizomes (outdoor)
Growth Rate Moderate, Aggressive Spreader Via Rhizomes
Growth Pattern Grows from a creeping rhizome, forming colonies of single or double-leaved stems. The stems emerge in spring and die back in the fall.

🌱 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.

May Apple

Methods: Rhizome division, Seed

Difficulty: Moderate

Tips: Divide rhizomes in early spring or fall. Sow seeds in fall for germination the following spring. Ensure good drainage and consistent moisture.

✨ 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

May Apple

The umbrella-like leaves and hidden flower are distinctive. The plant's rhizomatous growth habit allows it to form colonies over time. The fruit is edible only when fully ripe, adding to its unique appeal.

  • ✓ Adds unique texture and visual interest to shaded gardens.
  • ✓ Attracts pollinators and supports local ecosystems.
  • ✓ Provides a natural ground cover in woodland areas.
  • ✓ Offers potential for educational opportunities about native plants and their uses.
  • ✓ Can be a conversation starter due to its unusual appearance.
  • ⚠️ 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.

May Apple

Repotting Not applicable for indoor growing due to rhizomatous nature. Outdoor plants may need division every few years to control spread.
Pruning Remove dead or damaged foliage as needed. No other pruning is typically required.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in early spring.
Seasonal Care In spring, provide consistent moisture and light fertilization. In summer, protect from intense sun. In fall, allow foliage to die back naturally. In winter, provide a layer of mulch for insulation.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

May Apple

Partial to full shade. Requires protection from intense sunlight.

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.

May Apple

Keep the soil consistently moist, especially during the growing season. Avoid waterlogging. Check soil moisture regularly. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaf edges.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

May Apple

Temperature: 15-21°C

Humidity: 40-60%

🤔 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.
May Apple

May Apple

Podophyllum peltatum
Care: Expert Time: 15 minutes weekly (outdoor) Beginner: No

Experienced gardeners who want to cultivate a native woodland plant in a shaded outdoor garden.

✅ Choose This Plant If...

  • You have a shaded woodland garden and want to add native plants.
  • You are interested in the unique foliage and growth habit of Mayapple.
  • You want to attract pollinators to your garden.
  • You are an experienced gardener looking for a challenging plant to grow.
  • You are interested in the historical medicinal uses of plants (with caution).

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You do not have a suitable outdoor environment with shade and moist soil.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Shaded woodland garden or a sheltered area with dappled sunlight.
🎨 Style: Woodland, Naturalistic, Cottage Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant, except for the fully ripe fruit, contain podophyllotoxin, which is toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, diarrhea, abdominal pain, and neurological signs.

🎯 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 May Apple grows moderate, aggressive spreader via rhizomes.

💡 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.

May Apple Care Tips

Mayapple is primarily an outdoor plant and is challenging to grow indoors. It requires specific light, humidity, and temperature conditions that are difficult to replicate indoors. Its rhizomatous growth habit also makes it unsuitable for container gardening.

  • Ensure proper drainage to prevent root rot.
  • Provide consistent moisture, especially during dry periods.
  • Protect from intense sunlight to prevent leaf scorch.
  • Monitor for pests and diseases regularly.
  • Allow foliage to die back naturally in the fall to promote healthy growth the following spring.
❄️ Winter: Dormant in winter. The foliage dies back, and the plant rests until spring. Provide a layer of mulch for insulation in colder climates.
☀️ Summer: Protect from intense sunlight to prevent leaf scorch. Ensure consistent moisture during dry periods.

⚠️ 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.

May Apple

Common Issues: Leaf scorch, Root rot, Powdery mildew, Pest infestations (slugs, snails)
Solutions: Leaf scorch: Provide more shade. Root rot: Improve drainage and reduce watering. Powdery mildew: Improve air circulation and apply fungicide. Pests: Use appropriate pest control methods.

❓ 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.

May Apple

What are the light requirements for May Apple?

May Apple requires shade to partial shade. Direct sunlight can easily scorch the leaves, leading to unsightly brown patches and stunted growth. The ideal location is under a deciduous tree canopy that provides dappled sunlight or in an area that receives morning sun only.

How do I care for May Apple?

May Apple thrives in moist, well-drained soil rich in organic matter. Plant in a shady location, as direct sunlight can scorch the leaves. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in early spring with a balanced, slow-release fertilizer to promote healthy growth and flowering.

How do I propagate May Apple?

May Apple is best propagated by division in early spring or fall. Carefully dig up an established colony and separate the rhizomes into individual sections, ensuring each section has at least one bud or growth point. Replant the divisions in a shady location with moist, well-drained soil.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.