Gunnera vs Madagascar Jasmine 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 Jasmine

Madagascar Jasmine

Stephanotis floribunda

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 Jasmine

Madagascar Jasmine

Stephanotis floribunda

Stephanotis floribunda, commonly known as Madagascar Jasmine, is a woody, twining vine prized for its highly fragrant, waxy white flowers. Native to Madagascar, it's often grown as an ornamental plant, especially for weddings and special occasions. The plant features glossy, dark green leaves and can reach considerable lengths in its natural habitat. While it can be grown indoors, it requires specific conditions to thrive and flower, often proving challenging for novice indoor gardeners. It is grown for its beautiful scent and attractive foliage.

Apocynaceae Madagascar
✨ Features: Highly fragrant flowers
📖 Read Complete Madagascar Jasmine Guide

Quick Plant Comparison

Feature Gunnera Madagascar Jasmine
Light Full sun to partial shade Bright, indirect light with several hours of direct morning sun or filtered afternoon sun. Insufficient light will inhibit flowering.
Watering 2-3 times per week, depending on weather conditions Every 7-10 days during the growing season, less frequently in winter.
Humidity 60-80% 50-70%
Temperature 10-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters 1-2 meters indoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 30 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 Jasmine

Scientific Name Stephanotis floribunda
Family Apocynaceae
Native To Madagascar
Also Known As Madagascar Jasmine, Bridal Wreath, Waxflower
Leaves The leaves are oval-shaped, glossy, dark green, and leathery in texture. They are typically 5-10 cm long and arranged oppositely on the stems.
Flowers It can flower indoors with proper care. The flowers are waxy, white, star-shaped, and highly fragrant. They appear in clusters and bloom primarily in spring and summer.

📏 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 Jasmine

Height 1-2 meters indoors
Spread 0.5-1 meter indoors
Growth Rate Moderate
Growth Pattern It is a twining vine that climbs by wrapping its stems around supports. It can grow to considerable lengths if provided with adequate support and conditions.

🌱 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 Jasmine

Methods: Stem cuttings, layering, seed (difficult)

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cutting warm and humid.

✨ 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 Jasmine

The intense fragrance of the flowers is its most notable characteristic. It's also a climbing vine, which allows for unique display options.

  • ✓ Beautiful and fragrant flowers enhance the ambiance of a room
  • ✓ Glossy green foliage adds a touch of elegance
  • ✓ Can be trained on a trellis or support, creating a living wall
  • ✓ Provides a sense of accomplishment for experienced plant owners
  • ✓ Flowers can be used in floral arrangements (with caution due to toxicity).
  • ⚠️ 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 Jasmine

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage new growth. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter. Provide bright light year-round. Increase humidity during dry periods.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Madagascar Jasmine

Bright, indirect light with several hours of direct morning sun or filtered afternoon sun. Insufficient light will inhibit flowering.

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 Jasmine

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Reduce watering during the winter months. Overwatering can lead to yellowing leaves and root rot, while underwatering can cause leaf drop and stunted growth.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Madagascar Jasmine

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.
Madagascar Jasmine

Madagascar Jasmine

Stephanotis floribunda
Care: Moderate Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific conditions needed for this plant to thrive and flower indoors.

✅ Choose This Plant If...

  • You want a plant with incredibly fragrant flowers
  • You are experienced with plant care and can provide bright light and humidity
  • You want a climbing plant that can be trained on a trellis
  • You appreciate the beauty of glossy, dark green foliage
  • You are looking for a plant that can be used in floral arrangements (with caution due to toxicity).

❌ Skip This Plant If...

  • You have pets or small children due to its toxicity
  • You struggle to provide bright light and humidity
  • You are a beginner plant owner
  • You want a low-maintenance plant
  • You are sensitive to strong fragrances.
📍 Ideal Location: Bright, sunny room with high humidity, such as a sunroom or near a south-facing window.
🎨 Style: Traditional, Romantic, Tropical
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are considered toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The sap can also cause skin irritation.

🎯 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 is rated Expert care level, while Madagascar Jasmine is Moderate.

📈

Gunnera has fast growth, while Madagascar Jasmine 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.

Madagascar Jasmine Care Tips

Madagascar Jasmine requires bright light, consistent watering, and moderate humidity to thrive indoors. It can be challenging to get it to flower indoors, and it is toxic to pets. Regular pruning is necessary to maintain its shape and encourage flowering.

  • Provide a trellis or support for the vine to climb
  • Mist the plant regularly to increase humidity
  • Avoid moving the plant once it has started to bud, as this can cause the buds to drop
  • Fertilize regularly during the growing season to encourage flowering
  • Prune after flowering to maintain shape and encourage new growth.
❄️ Winter: Reduce watering frequency. Maintain bright light. Protect from drafts and cold temperatures. Do not fertilize during the winter months.
☀️ Summer: Water more frequently during hot weather. Provide shade during the hottest part of the day. Fertilize regularly to support growth and flowering.

⚠️ 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 Jasmine

Common Issues: Aphids, mealybugs, spider mites, root rot
Solutions: For aphids, mealybugs, and spider mites, use insecticidal soap or neem oil. For root rot, improve drainage and reduce watering frequency.

❓ 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 Jasmine

What are the light requirements for Madagascar Jasmine?

Madagascar Jasmine thrives in bright, indirect light. Direct sunlight can scorch its leaves, while insufficient light will hinder blooming. An east-facing window is ideal, providing gentle morning sun. A west-facing window can also work, but shield the plant from intense afternoon sun with a sheer curtain. South-facing windows may require more shading. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, supplement with a grow light, placing it 12-18 inches above the plant. Yellowing leaves can indicate too much sun, while lack of blooms often signals insufficient light.

How do I care for Madagascar Jasmine?

Madagascar Jasmine requires bright, indirect light to thrive and bloom profusely. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Maintain humidity levels around 50-60%, especially during the blooming season. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune lightly after blooming to maintain shape and encourage new growth. Repot every 2-3 years in spring, using a well-draining potting mix. Provide support, such as a trellis or hoop, for the vine to climb. Avoid sudden temperature changes or drafts. Watch for common pests like mealybugs and spider mites, and treat promptly.

How do I propagate Madagascar Jasmine?

Madagascar Jasmine can be propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. For layering, bend a stem down to the soil and bury a portion of it, leaving the tip exposed. Once roots have formed, sever the new plant from the parent plant. Division is not typically used for this plant. Keiki propagation is not applicable as this plant does not produce keikis. Rooting typically takes several weeks.

Last updated: April 18, 2026 — Plant care data reviewed and verified by our editorial team.