Gunnera vs Pittosporum 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
Pittosporum

Pittosporum

Pittosporum spp.

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
Pittosporum

Pittosporum

Pittosporum spp.

Pittosporum is a genus of evergreen shrubs and trees known for their glossy, leathery leaves and often fragrant flowers. They range in size from small shrubs to medium-sized trees, depending on the species. Pittosporums are primarily grown outdoors for their attractive foliage, which can be green, variegated, or even purple. Their dense growth habit makes them popular for hedging, screening, and ornamental landscaping. While some species can tolerate indoor conditions for a short period, they generally thrive outdoors with ample sunlight and air circulation. The appeal lies in their versatility and relatively low maintenance when planted in suitable climates.

Pittosporaceae Australia, New Zealand, East Asia, and parts of Africa
✨ Features: Fragrant flowers (some species), attractive foliage, drought tolerance once established.
📖 Read Complete Pittosporum Guide

Quick Plant Comparison

Feature Gunnera Pittosporum
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient.
Watering 2-3 times per week, depending on weather conditions Outdoors: Every 1-2 weeks, depending on weather. Indoors: Every 10-14 days, but monitor soil moisture closely.
Humidity 60-80% 30-50%
Temperature 10-25°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters Outdoors: Up to 10 meters. Indoors: Rarely exceeds 2 meters and is unlikely to thrive long-term.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining soil mix. A blend of potting mix, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 30 minutes monthly (pruning, fertilizing, pest control).

🔬 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.

Pittosporum

Scientific Name Pittosporum spp.
Family Pittosporaceae
Native To Australia, New Zealand, East Asia, and parts of Africa
Also Known As Pittosporum, Cheesewood, Japanese Pittosporum, Mock Orange
Leaves The leaves are typically oval or lance-shaped, with a glossy, leathery texture. They range in color from light green to dark green, and some varieties have variegated foliage with cream or yellow margins. Leaf size varies depending on the species, but they are generally 5-10 cm long.
Flowers Pittosporum produces small, fragrant flowers, typically in spring or early summer. The flowers are often white or cream-colored and may be followed by small, round fruits. Flowering is rare indoors.

📏 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.

Pittosporum

Height Outdoors: Up to 10 meters. Indoors: Rarely exceeds 2 meters and is unlikely to thrive long-term.
Spread Outdoors: Up to 5 meters. Indoors: Up to 1 meter.
Growth Rate Moderate
Growth Pattern Pittosporum grows as an upright shrub or small tree, forming a dense, rounded or oval shape. It can be pruned to maintain a specific shape or allowed to grow naturally.

🌱 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.

Pittosporum

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide humidity.

✨ 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

Pittosporum

Pittosporum's unique characteristic is its glossy, evergreen foliage, which provides year-round visual interest. Some species also offer fragrant flowers, adding to their appeal. The plant's adaptability to pruning makes it ideal for shaping into hedges or topiaries.

  • ✓ Provides privacy with dense foliage.
  • ✓ Adds visual interest with glossy leaves and fragrant flowers.
  • ✓ Requires minimal watering once established.
  • ✓ Attracts pollinators to the garden.
  • ✓ Offers a versatile landscaping option for hedging, screening, or specimen planting.
  • ⚠️ 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.

Pittosporum

Repotting Repot every 2-3 years if grown in a container, but indoor growth is generally slow.
Pruning Prune to maintain shape and size. Can be pruned heavily to create a dense hedge.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength. Apply every 2-3 months during the growing season (spring and summer).
Seasonal Care Spring/Summer: Fertilize and water regularly. Fall/Winter: Reduce watering and protect from frost in colder climates.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Pittosporum

Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient.

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.

Pittosporum

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, while underwatering causes leaf drop. Ensure good drainage.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Pittosporum

Temperature: 15-24°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.
Pittosporum

Pittosporum

Pittosporum spp.
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, pest control). Beginner: No

Gardeners in mild climates looking for an attractive and versatile evergreen shrub for hedging or screening.

✅ Choose This Plant If...

  • You live in a mild climate with plenty of sunshine.
  • You need a plant for hedging or screening in your garden.
  • You appreciate fragrant flowers.
  • You want a relatively low-maintenance evergreen shrub.
  • You have experience with outdoor gardening and pest control.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You dislike pruning and shaping plants.
📍 Ideal Location: Outdoors in a sunny garden or patio.
🎨 Style: Traditional, Mediterranean, Coastal
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pittosporum is toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.

🎯 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 Pittosporum 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.

Pittosporum Care Tips

Pittosporums are primarily outdoor plants that struggle indoors due to high light requirements and the need for good air circulation. Maintaining adequate light and preventing pests are the biggest challenges. It's best suited for outdoor landscaping.

  • Plant in well-draining soil to prevent root rot.
  • Provide ample sunlight for optimal growth and flowering.
  • Prune regularly to maintain shape and size.
  • Protect from frost in colder climates.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, protect Pittosporum from frost by wrapping the base of the plant with burlap or moving container plants indoors. Reduce watering during the winter months.
☀️ Summer: Water regularly during the summer months, especially during hot, dry periods. Mulch around the base of the plant to help retain moisture and suppress weeds.

⚠️ 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.

Pittosporum

Common Issues: Scale, Aphids, Root rot, Leaf spot
Solutions: Scale/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and apply a fungicide.

❓ 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.

Pittosporum

What are the light requirements for Pittosporum?

Pittosporum thrives in bright, indirect light. Insufficient light can lead to leggy growth and reduced foliage density. An east-facing window is often ideal, providing gentle morning sun. A south-facing window can also work, but be sure to filter the light with a sheer curtain to prevent leaf scorch. North-facing windows may not provide enough light, especially during the darker months. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is inadequate, supplement with artificial grow lights. Place the grow lights 12-18 inches above the plant. Observe the plant for signs of light stress, such as pale leaves or stunted growth, and adjust its location accordingly.

How do I care for Pittosporum?

Pittosporum prefers bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Use a well-draining potting mix. Maintain moderate humidity levels, especially during dry indoor conditions. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Provide stable temperatures, avoiding sudden fluctuations or drafts. Ensure proper air circulation around the plant. Wipe the leaves occasionally to remove dust and maintain their shine.

How do I propagate Pittosporum?

Pittosporum can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. 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 or humidity dome to maintain humidity. Roots should develop in 4-6 weeks. For air layering, make a small cut on a healthy stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop in a few weeks. Once roots are visible, cut the stem below the rooted area and plant it in a pot. Ensure the pot is the correct size and the plant is secured.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.