Gunnera vs Night Blooming Cereus 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
Night Blooming Cereus

Night Blooming Cereus

Selenicereus grandiflorus

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
Night Blooming Cereus

Night Blooming Cereus

Selenicereus grandiflorus

Selenicereus grandiflorus, commonly known as Night Blooming Cereus, is an epiphytic or lithophytic cactus characterized by its long, sprawling, and often climbing stems. These stems are typically green to grayish-green, ribbed, and may have aerial roots. It is primarily grown for its spectacular, large, white, and highly fragrant flowers that bloom only at night and wither by dawn. This plant is naturally an outdoor plant, thriving in tropical and subtropical climates. People cultivate it for its unique nocturnal blooms and sweet vanilla-like fragrance.

Cactaceae Native to the West Indies, Mexico, and Central America
✨ Features: Spectacular nocturnal blooms, sweet fragrance.
📖 Read Complete Night Blooming Cereus Guide

Quick Plant Comparison

Feature Gunnera Night Blooming Cereus
Light Full sun to partial shade Bright indirect light to full sun. Requires several hours of direct sunlight for optimal growth and flowering.
Watering 2-3 times per week, depending on weather conditions Every 1-2 weeks during the growing season, less frequently in winter.
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 Up to 3 meters (indoors, if supported), much larger outdoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, moisture-retentive soil with good drainage Well-draining cactus mix or a mix of potting soil, perlite, and sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly during the growing season 30 minutes weekly (including watering, fertilizing, and pest checks).

🔬 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.

Night Blooming Cereus

Scientific Name Selenicereus grandiflorus
Family Cactaceae
Native To Native to the West Indies, Mexico, and Central America
Also Known As Queen of the Night, Large-flowered Cactus, Sweet-scented Cactus, Vanilla Cactus
Leaves The plant does not have true leaves; instead, it has green to grayish-green, ribbed stems that function as photosynthetic organs. The stems are typically 2-3 cm in diameter and have small areoles with spines.
Flowers The flowers are large, white, and highly fragrant, typically 20-30 cm in diameter. They bloom only at night and wither by dawn. Flowering indoors is rare and requires optimal conditions.

📏 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.

Night Blooming Cereus

Height Up to 3 meters (indoors, if supported), much larger outdoors.
Spread Spreading, can reach several meters depending on support.
Growth Rate Moderate
Growth Pattern Sprawling and climbing, with long, slender stems that can reach several meters in length. It requires support to climb or can be left to trail.

🌱 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.

Night Blooming Cereus

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Allow stem cuttings to callous over for a few days before planting in well-draining soil. Keep the soil lightly 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

Night Blooming Cereus

The ephemeral nature of its blooms, opening only for one night, makes it a highly prized and sought-after plant. Its sweet vanilla-like fragrance is also a distinctive characteristic. The plant's epiphytic nature allows it to grow on other plants or rocks in its natural habitat.

  • ✓ Unique and dramatic blooms provide a visual spectacle.
  • ✓ Sweet fragrance enhances the ambiance of the space, even if briefly.
  • ✓ Offers a sense of accomplishment for experienced gardeners.
  • ✓ Provides an interesting conversation starter for guests.
  • ✓ Can be propagated to create more plants or share with others.
  • ⚠️ 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.

Night Blooming Cereus

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to control size and shape, removing any dead or damaged stems. Best done after flowering.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In summer, provide ample sunlight and water when the soil is dry. In winter, reduce watering and provide cooler temperatures to encourage dormancy and future flowering.

🌞 Light Requirements

Gunnera

Full sun to partial shade

Low light tolerant: ❌ No

Night Blooming Cereus

Bright indirect light to full sun. Requires several hours of direct sunlight for optimal growth and 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.

Night Blooming Cereus

Water thoroughly when the top inch of soil is dry. Reduce watering during the dormant winter months. Overwatering can lead to root rot, indicated by yellowing and mushy stems. Underwatering results in shriveled stems and lack of flowering.

🌡️ Temperature & Humidity

Gunnera

Temperature: 10-25°C

Humidity: 60-80%

Night Blooming Cereus

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.
Night Blooming Cereus

Night Blooming Cereus

Selenicereus grandiflorus
Care: Expert Time: 30 minutes weekly (including watering, fertilizing, and pest checks). Beginner: No

Experienced plant enthusiasts who can provide the necessary light and space for this plant to thrive, ideally in a greenhouse or outdoor setting.

✅ Choose This Plant If...

  • You want a plant with dramatic, fragrant blooms, even if only for one night.
  • You have a greenhouse or sunny outdoor space where it can thrive.
  • You are an experienced gardener who enjoys a challenge.
  • You are fascinated by nocturnal plants and their unique adaptations.
  • You want to propagate and share cuttings with friends.

❌ Skip This Plant If...

  • You have limited space indoors.
  • You cannot provide very bright light.
  • You have pets that might ingest the plant.
  • You are a beginner gardener.
  • You want a plant that flowers frequently and for extended periods.
📍 Ideal Location: A sunny greenhouse, conservatory, or a bright, south-facing window (though flowering indoors is still unlikely).
🎨 Style: Bohemian, Tropical, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Selenicereus grandiflorus is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The specific toxic principle is unknown, but the entire plant is 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 Night Blooming Cereus 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.

Night Blooming Cereus Care Tips

Night Blooming Cereus is primarily an outdoor plant that can be challenging to grow indoors due to its high light requirements and sprawling growth habit. It needs very bright light, well-draining soil, and careful watering to thrive. Flowering indoors is rare without optimal conditions. It is also toxic to pets.

  • Provide a trellis or support structure for the stems to climb.
  • Ensure excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize regularly during the growing season to promote flowering.
  • Provide a period of cooler temperatures in winter to encourage flower bud formation.
❄️ Winter: Reduce watering significantly. Provide cooler temperatures (around 10-15°C) to encourage dormancy. Ensure adequate light, even during winter.
☀️ Summer: Provide ample sunlight and water when the soil is dry. Fertilize regularly during the growing season. Protect from extreme heat and direct sunlight during the hottest part of the day.

⚠️ 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.

Night Blooming Cereus

Common Issues: Root rot, Lack of flowering, Scale insects, Mealybugs
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Repot with fresh soil if necessary. | Lack of flowering: Provide sufficient sunlight and proper fertilization. Ensure a period of cooler temperatures in winter. | Scale insects: Remove manually or treat with insecticidal soap. | Mealybugs: Wipe away with a cotton swab dipped in rubbing alcohol or treat with insecticidal soap.

❓ 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.

Night Blooming Cereus

What are the light requirements for Night Blooming Cereus?

Night Blooming Cereus thrives in bright, indirect light. Direct sunlight can scorch the stems, especially during the hottest part of the day. An east-facing window is often ideal, providing gentle morning sun. A west-facing window can also work, but be sure to provide some shade during the afternoon.

How do I care for Night Blooming Cereus?

Night Blooming Cereus requires bright, indirect light, especially during the growing season. Water sparingly, allowing the soil to dry out completely between waterings. Overwatering is a common cause of problems. Use a well-draining cactus mix and a pot with drainage holes. Fertilize lightly during the growing season (spring and summer) with a balanced cactus fertilizer.

How do I propagate Night Blooming Cereus?

Night Blooming Cereus can be propagated through offsets, seeds, or grafting. Offsets are the easiest method. Simply detach a healthy offset from the main plant and allow the cut end to callus over for a few days. Then, plant the offset in well-draining cactus mix and water sparingly until roots develop.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.