Gunnera vs Jacob's Coat 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
Jacob's Coat

Jacob's Coat

Alternanthera ficoidea

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
Jacob's Coat

Jacob's Coat

Alternanthera ficoidea

Alternanthera ficoidea, commonly known as Jacob's Coat, is a vibrant, tender perennial often grown as an annual. It's prized for its colorful foliage, which can display shades of red, pink, yellow, orange, and green. The plant typically grows to a height of 6-12 inches and spreads similarly. While it can be grown indoors, it thrives best outdoors in warm climates where it receives plenty of sunlight. People grow it for its ornamental value, using it in borders, containers, and as a ground cover to add a splash of color to gardens and landscapes.

Amaranthaceae South America (Brazil)
✨ Features: Vibrant foliage colors, attracts pollinators (outdoors)
📖 Read Complete Jacob's Coat Guide

Quick Plant Comparison

Feature Gunnera Jacob's Coat
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal color development.
Watering 2-3 times per week, depending on weather conditions Every 2-3 days outdoors in warm weather; every 5-7 days indoors, adjusting based on soil moisture.
Humidity 60-80% 40-60%
Temperature 10-25°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Not applicable for indoor growing. Outdoors: 2-3 meters 6-12 inches (indoors and outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining potting mix rich in organic matter. A mix of peat moss, perlite, and vermiculite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 15 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.

Jacob's Coat

Scientific Name Alternanthera ficoidea
Family Amaranthaceae
Native To South America (Brazil)
Also Known As Jacob's Coat, Joseph's Coat, Parrot Leaf, Calico Plant
Leaves The leaves of Jacob's Coat are ovate to lance-shaped, typically 1-2 inches long. They are smooth and slightly fleshy, with a glossy texture. The color varies greatly depending on the cultivar and the amount of sunlight exposure, ranging from deep red and purple to bright pink, yellow, orange, and green. Some varieties exhibit multiple colors on a single leaf.
Flowers Jacob's Coat produces small, inconspicuous white flowers, but they are not the main attraction of the plant. Flowering is rare indoors and not particularly showy even when it occurs outdoors.

📏 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.

Jacob's Coat

Height 6-12 inches (indoors and outdoors)
Spread 6-12 inches
Growth Rate Moderate
Growth Pattern Jacob's Coat exhibits a bushy, spreading growth habit. It typically grows to a height and spread of 6-12 inches, forming a dense mat of colorful foliage. Regular pruning helps maintain its shape and encourages bushier growth.

🌱 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.

Jacob's Coat

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Remove the lower leaves and place the cutting in water or directly into moist potting mix. Keep the soil consistently moist until roots develop.

✨ 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

Jacob's Coat

The plant's most striking feature is its vibrant, multi-colored foliage, which can include shades of red, pink, yellow, orange, and green. The intensity of the colors is directly related to the amount of sunlight it receives, making it a dynamic and visually appealing plant.

  • ✓ Adds vibrant color to gardens and containers
  • ✓ Attracts pollinators (outdoors)
  • ✓ Can be used as a ground cover
  • ✓ Provides visual interest with its unique foliage
  • ✓ Can be propagated easily from stem cuttings
  • ⚠️ 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.

Jacob's Coat

Repotting Repot annually in spring if grown in containers, using a slightly larger pot.
Pruning Pinch back stems regularly to encourage bushier growth and remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide bright light if grown indoors. In summer, ensure adequate moisture and protect from intense afternoon sun in hotter climates. Outdoor plants may need to be brought indoors in colder climates.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Jacob's Coat

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

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.

Jacob's Coat

Water regularly, keeping the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, indicated by yellowing and wilting leaves. Underwatering results in dry, crispy leaves and stunted growth.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Jacob's Coat

Temperature: 18-27°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.
Jacob's Coat

Jacob's Coat

Alternanthera ficoidea
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners in warm climates looking for a colorful ground cover or container plant, but who do not have pets.

✅ Choose This Plant If...

  • You want a plant with incredibly vibrant and varied foliage colors.
  • You live in a warm climate and can provide ample sunlight.
  • You are looking for a plant to use as a colorful ground cover or in container arrangements.
  • You enjoy a plant that attracts pollinators when grown outdoors.
  • You are experienced with plant care and can meet its specific light and watering needs.

❌ Skip This Plant If...

  • You have pets (dogs, cats, or horses) due to its toxicity.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny windowsill (indoors), outdoor garden bed or container in a warm climate
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Alternanthera species are toxic to dogs, cats, and horses. Symptoms include 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 has fast growth, while Jacob's Coat 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.

Jacob's Coat Care Tips

Jacob's Coat is relatively easy to grow outdoors in warm climates with ample sunlight. Indoors, it requires bright light and consistent moisture, which can be challenging. Maintaining vibrant foliage color indoors can be difficult without supplemental lighting. It is also toxic to pets.

  • Provide at least 6 hours of direct sunlight daily to maintain vibrant colors.
  • Water regularly, allowing the top inch of soil to dry out slightly between waterings.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Pinch back stems regularly to encourage bushier growth.
  • Monitor for pests and treat promptly with insecticidal soap or neem oil.
❄️ Winter: If grown outdoors in colder climates, Jacob's Coat is typically treated as an annual. If grown indoors, reduce watering frequency and provide bright light. Avoid placing the plant near cold drafts.
☀️ Summer: Ensure adequate moisture during hot summer months, especially for plants grown outdoors. Provide some shade during the hottest part of the day in extremely hot climates to prevent leaf scorch. Fertilize regularly to support vigorous growth.

⚠️ 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.

Jacob's Coat

Common Issues: Leggy growth, Fading color, Root rot, Pest infestations (aphids, spider mites)
Solutions: Prune leggy growth to encourage bushier growth. Provide more sunlight to enhance color. Ensure well-draining soil and avoid overwatering to prevent root rot. Treat pest infestations with insecticidal soap or neem oil.

❓ 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.

Jacob's Coat

What are the light requirements for Jacob's Coat?

Jacob’s Coat requires bright, indirect light to maintain its vibrant coloration. Insufficient light can cause the leaves to fade and lose their intensity. An east-facing window is ideal, providing gentle morning sun. A west-facing window can work, but be cautious of harsh afternoon sun, which can scorch the leaves. If using a south-facing window, place the plant further back from the window or filter the light with a sheer curtain. Avoid direct sunlight, especially during the hottest part of the day. Rotate the plant regularly to ensure even light exposure on all sides. Artificial grow lights can supplement natural light, especially during winter months.

How do I care for Jacob's Coat?

Jacob’s Coat thrives in bright, indirect light. Direct sunlight can scorch its delicate leaves. Water when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the plant on a pebble tray filled with water. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot in spring if the plant becomes root-bound. Prune regularly to maintain shape and encourage bushier growth. Keep the plant away from drafts and sudden temperature changes. Ensure the soil is well-draining and slightly acidic. Monitor for pests like spider mites and aphids, and treat promptly. Provide consistent care for optimal color and growth.

How do I propagate Jacob's Coat?

Jacob’s Coat can be easily propagated through 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 it in moist, well-draining potting mix. Keep the cutting in a warm, humid environment until roots develop. Division is another option, separating the plant at the root ball during repotting. Air layering involves encouraging root growth on a stem while still attached to the parent plant, by wounding the stem and wrapping it in moist sphagnum moss.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.