Gunnera vs Paw Paw 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
Paw Paw

Paw Paw

Asimina triloba

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
Paw Paw

Paw Paw

Asimina triloba

Asimina triloba, the Pawpaw, is a deciduous tree or large shrub native to eastern North America. It typically grows 10-25 feet tall. It features large, oblong leaves that give it a tropical appearance. The tree produces edible fruit, the pawpaw, which is greenish-yellow to brown when ripe and has a creamy texture and flavor reminiscent of banana, mango, and vanilla. Pawpaws are primarily grown for their fruit, which can be eaten fresh or used in desserts and beverages. It is not naturally an indoor plant and requires specific conditions to thrive indoors.

Annonaceae Eastern United States and Canada
✨ Features: Edible fruit, attractive foliage, native to North America.
📖 Read Complete Paw Paw Guide

Quick Plant Comparison

Feature Gunnera Paw Paw
Light Full sun to partial shade Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal fruit production.
Watering 2-3 times per week, depending on weather conditions Weekly during the first year, then as needed during dry periods (outdoors).
Humidity 60-80% 40-60%
Temperature 10-25°C 10-30°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters Difficult to predict indoors, typically 1-3 meters in a very large container. Outdoors: 3-8 meters.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-drained, fertile soil with a slightly acidic to neutral pH (5.5-7.0).
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 1-2 hours weekly (outdoors, during growing season)

🔬 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.

Paw Paw

Scientific Name Asimina triloba
Family Annonaceae
Native To Eastern United States and Canada
Also Known As Pawpaw, Paw Paw, Common Pawpaw, American Custard Apple
Leaves The leaves of the pawpaw tree are large, oblong, and deciduous, typically measuring 15-30 cm long and 8-13 cm wide. They are a vibrant green color in the spring and summer, turning yellow in the fall before dropping. The texture is smooth and slightly leathery.
Flowers Pawpaw trees produce maroon to purplish-brown flowers in the spring before the leaves emerge. The flowers are about 2-5 cm in diameter and have a slightly unpleasant odor that attracts pollinators like flies and beetles. Fruiting indoors is extremely rare.

📏 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.

Paw Paw

Height Difficult to predict indoors, typically 1-3 meters in a very large container. Outdoors: 3-8 meters.
Spread Difficult to predict indoors, typically 1-2 meters in a very large container. Outdoors: 2-5 meters.
Growth Rate Moderate
Growth Pattern Pawpaw trees typically grow as a single-stemmed tree or a multi-stemmed shrub with an upright, pyramidal shape. They can also spread through root suckers, forming colonies 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.

Paw Paw

Methods: Seed, Root Suckers, Grafting

Difficulty: Moderate

Tips: Seeds require cold stratification for 90-120 days before planting. Grafting is often used to propagate desirable cultivars.

✨ 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

Paw Paw

The pawpaw is the largest edible fruit native to North America and has a unique tropical flavor. It requires cross-pollination from different genetic sources to produce fruit, making it necessary to plant multiple trees.

  • ✓ Provides edible fruit.
  • ✓ Offers shade and visual interest in the landscape.
  • ✓ Supports native wildlife.
  • ✓ Unique and conversation-starting plant.
  • ✓ Can be used in various culinary applications.
  • ⚠️ 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.

Paw Paw

Repotting Repot young trees annually in spring. Mature trees may only need repotting every 2-3 years.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Train young trees to develop a strong central leader.
Fertilizing Balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing.
Seasonal Care Provide winter protection in colder climates. Water regularly during the growing season. Prune in late winter or early spring to remove dead or damaged branches.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Paw Paw

Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal fruit production.

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.

Paw Paw

Water deeply when planting and during dry periods, especially when young. Established trees are relatively drought-tolerant. Avoid overwatering, which can lead to root rot. Check soil moisture before watering.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Paw Paw

Temperature: 10-30°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.
Paw Paw

Paw Paw

Asimina triloba
Care: Expert Time: 1-2 hours weekly (outdoors, during growing season) Beginner: No

Experienced gardeners in temperate climates who want to grow a unique fruit tree outdoors.

✅ Choose This Plant If...

  • You live in a temperate climate with suitable outdoor growing conditions.
  • You are an experienced gardener looking for a unique fruit tree to grow.
  • You are interested in native North American plants.
  • You have the space and resources to provide the necessary care and attention.
  • You enjoy the taste of pawpaw fruit and want to grow your own.

❌ Skip This Plant If...

  • You live in an apartment or have limited outdoor space.
  • You are a beginner gardener.
  • You have pets that may ingest the toxic seeds or bark.
  • You do not have the time or resources to provide the specific care required.
  • You are looking for an easy-to-grow indoor plant.
📍 Ideal Location: Outdoors in a sunny or partially shaded location with well-drained soil.
🎨 Style: Natural, Woodland, Edible Garden
🏠 Apartment Friendly: No
⚠️ The seeds and bark contain annonacin, which can cause neurological issues in dogs, cats, and horses if ingested in large quantities. Symptoms may include vomiting, diarrhea, and incoordination.

🎯 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 Paw Paw 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.

Paw Paw Care Tips

Pawpaws are challenging to grow indoors due to their need for full sun, specific chilling requirements for fruit production, and large size. They require a very large container, careful watering, and protection from extreme temperatures. Indoor fruiting is unlikely.

  • Provide adequate sunlight for optimal fruit production.
  • Ensure well-draining soil to prevent root rot.
  • Protect young trees from strong winds.
  • Water deeply during dry periods.
  • Consider hand-pollinating the flowers to improve fruit set.
❄️ Winter: Pawpaw trees require a period of dormancy during the winter. Protect young trees from frost and extreme cold. Reduce watering during dormancy.
☀️ Summer: Water regularly during the growing season, especially during dry periods. Provide shade during the hottest part of the day to prevent leaf scorch. Monitor for pests and diseases.

⚠️ 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.

Paw Paw

Common Issues: Root rot, leaf scorch, lack of fruit production, pest infestations (rare).
Solutions: Ensure well-draining soil and avoid overwatering. Provide adequate sunlight and humidity. Use appropriate pest control measures if needed. Provide proper chilling hours during winter for fruit production.

❓ 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.

Paw Paw

What are the light requirements for Paw Paw?

Paw Paw trees require bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and reduced fruit production (if fruiting). A location near an east- or west-facing window is ideal. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant’s growth habit to determine if it’s receiving adequate light. If the stems are stretching towards the light source, it indicates that more light is needed.

How do I care for Paw Paw?

To successfully grow Paw Paw indoors, provide bright, indirect light, ideally near an east- or west-facing window. Use a well-draining potting mix rich in organic matter. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Maintain moderate humidity levels, especially during winter months when indoor air tends to be drier. Fertilize sparingly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot young plants annually in spring, increasing the pot size gradually. Prune to maintain shape and remove any dead or damaged branches. Protect from drafts and sudden temperature changes. Monitor regularly for pests and diseases. Provide stable growing conditions, avoiding overwatering or underwatering.

How do I propagate Paw Paw?

Paw Paw can be propagated by stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to maintain humidity. For air layering, make a small incision on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Once roots develop, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent moisture.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.