Love-Lies-Bleeding vs Rainbow Fern Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus

VS
Rainbow Fern

Rainbow Fern

Selaginella uncinata

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus

Love-Lies-Bleeding is an annual flowering plant known for its dramatic, cascading flower spikes. It typically grows to a height of 3-8 feet outdoors. The flowers are small and densely packed along the long, rope-like inflorescences, usually in shades of deep red, but also available in green or gold. While it can be started indoors, it is primarily an outdoor plant grown for its ornamental value in gardens and cut flower arrangements. People grow it for its unique appearance and the visual interest it adds to landscapes.

Amaranthaceae South America (likely Peru)
✨ Features: Unique cascading flower spikes, attracts pollinators.
📖 Read Complete Love-Lies-Bleeding Guide
Rainbow Fern

Rainbow Fern

Selaginella uncinata

Selaginella uncinata, commonly known as Rainbow Fern, is a creeping, mat-forming plant prized for its iridescent blue-green foliage. The shimmering effect is caused by the reflection of light off the leaf surfaces. It is not a true fern, but a spikemoss. While it can be grown indoors, it requires very high humidity and consistent moisture, making it a challenging houseplant. People grow it for its unique coloration and texture, adding a touch of the exotic to terrariums or humid environments.

Selaginellaceae China
✨ Features: Iridescent blue-green foliage, unique texture.
📖 Read Complete Rainbow Fern Guide

Quick Plant Comparison

Feature Love-Lies-Bleeding Rainbow Fern
Light Full sun (at least 6 hours of direct sunlight per day) Bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds.
Watering Every 2-3 days in hot weather, every 5-7 days in cooler weather (outdoors) Every 2-3 days, depending on humidity and temperature
Humidity 30-50% 70-90%
Temperature 18-27°C 18-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 feet (indoors, unlikely to thrive), 3-8 feet (outdoors) 15-30 cm
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining soil, such as a mix of garden soil, compost, and perlite. Well-draining, moisture-retentive mix such as peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (outdoors) 15-20 minutes weekly

🔬 Botanical Information — Comparing These Plants

Love-Lies-Bleeding

Scientific Name Amaranthus caudatus
Family Amaranthaceae
Native To South America (likely Peru)
Also Known As Tassel Flower, Quilete, Incan Wheat
Leaves The leaves are ovate to lance-shaped, typically green, and can grow up to 6 inches long. They are arranged alternately along the stems.
Flowers The flowers are small and densely packed along the long, rope-like inflorescences. They are typically deep red, but can also be green or gold. Flowering occurs primarily in summer and fall.

Rainbow Fern

Scientific Name Selaginella uncinata
Family Selaginellaceae
Native To China
Also Known As Rainbow Fern, Peacock Fern, Blue Fern, Spikemoss
Leaves Small, scale-like leaves arranged in overlapping rows along the stems. The leaves are typically a vibrant blue-green color with an iridescent sheen. They are delicate and finely textured.
Flowers Selaginella uncinata does not produce flowers in the typical sense. It reproduces via spores, which are produced in strobili (cone-like structures) at the tips of the stems. These are rarely seen indoors.

📏 Size & Growth — Plant Comparison

Love-Lies-Bleeding

Height 1-2 feet (indoors, unlikely to thrive), 3-8 feet (outdoors)
Spread 1-3 feet
Growth Rate Fast
Growth Pattern Upright, branching plant with long, pendulous flower spikes that cascade downwards.

Rainbow Fern

Height 15-30 cm
Spread 30-60 cm (can spread via creeping stems)
Growth Rate Moderate
Growth Pattern Creeping and mat-forming, spreading horizontally via rhizomes. It creates a dense, low-growing carpet of foliage.

🌱 Propagation — Comparing Plant Growth

Love-Lies-Bleeding

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in spring after the last frost, or start indoors 6-8 weeks before the last frost. Keep soil moist until germination.

Rainbow Fern

Methods: Division, Stem cuttings

Difficulty: Moderate

Tips: Divide the plant at the roots or take stem cuttings and place them in a humid environment until they root. A propagation box or terrarium works well.

✨ Benefits & Features — Comparing Plant Value

Love-Lies-Bleeding

The cascading flower spikes are its most distinctive feature, setting it apart from many other flowering plants. The vibrant red color (in most varieties) adds a dramatic touch to any garden.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides unique visual interest
  • ✓ Can be used as a cut flower
  • ✓ Seeds are edible
  • ✓ Relatively easy to grow from seed outdoors
  • ⚠️ Toxic to pets

Rainbow Fern

The Rainbow Fern's iridescent blue-green foliage sets it apart from other ferns and houseplants. This shimmering effect is a result of structural coloration, where light interacts with the leaf's surface. It is not a true fern, but a spikemoss, belonging to the genus Selaginella.

  • ✓ Adds a unique visual element to indoor spaces
  • ✓ Creates a calming and relaxing atmosphere
  • ✓ Can be used in terrariums and vivariums
  • ✓ Non-toxic to pets
  • ✓ Offers a connection to nature indoors
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Love-Lies-Bleeding

Repotting Not applicable as it is an annual and not typically grown in containers long-term.
Pruning Deadhead spent flowers to encourage continued blooming.
Fertilizing Balanced fertilizer (10-10-10) every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In spring, sow seeds. In summer, provide regular watering and fertilization. In fall, collect seeds for the next season. In winter, the plant will die back as it is an annual.

Rainbow Fern

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a slightly larger pot.
Pruning Trim any dead or damaged fronds to maintain appearance and prevent disease.
Fertilizing Diluted liquid fertilizer (half strength) every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering slightly in winter when growth slows. Maintain humidity levels year-round. Provide supplemental light if needed during shorter days.

🌞 Light Requirements

Love-Lies-Bleeding

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Rainbow Fern

Bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds.

Low light tolerant: ❌ No

💧 Watering Needs

Love-Lies-Bleeding

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

Rainbow Fern

Keep the soil consistently moist but not soggy. Water when the top of the soil feels slightly dry to the touch. Overwatering can lead to root rot, while underwatering will cause the fronds to dry out and turn brown. Use distilled or rainwater to avoid mineral buildup.

🌡️ Temperature & Humidity

Love-Lies-Bleeding

Temperature: 18-27°C

Humidity: 30-50%

Rainbow Fern

Temperature: 18-24°C

Humidity: 70-90%

🤔 Which Plant Is Right For You?

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Gardeners looking to add a unique and dramatic visual element to their outdoor landscape.

✅ Choose This Plant If...

  • You want a dramatic and unique plant for your garden
  • You need a plant that attracts pollinators
  • You want to grow your own cut flowers
  • You want to add height and texture to your landscape
  • You are looking for a plant that is easy to propagate from seed.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You don't have a sunny outdoor space
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny flower bed
🎨 Style: Bohemian, Cottagecore, Eclectic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Amaranthus species contain soluble oxalates. They are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and diarrhea. In horses, kidney damage and colic can occur.
Rainbow Fern

Rainbow Fern

Selaginella uncinata
Care: Expert Time: 15-20 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide a humid environment like a terrarium.

✅ Choose This Plant If...

  • You want a unique and visually striking plant with iridescent foliage.
  • You can provide a consistently humid environment, such as a terrarium.
  • You enjoy the challenge of caring for demanding plants.
  • You want to add a touch of the exotic to your indoor garden.
  • You appreciate the delicate beauty of ferns and mosses.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a dry climate and cannot provide high humidity.
  • You are a beginner plant owner looking for low-maintenance options.
📍 Ideal Location: Bathroom with bright, indirect light or a terrarium.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Selaginella species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Rainbow Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Love-Lies-Bleeding has fast growth, while Rainbow Fern grows moderate.

💡 Pro Tips For Comparing These Plants

Love-Lies-Bleeding Care Tips

Love-Lies-Bleeding is primarily an outdoor plant that requires full sun and well-draining soil. It is unlikely to thrive indoors due to its high light requirements. Indoor cultivation would require very bright supplemental lighting and careful monitoring of watering to prevent root rot. It is also toxic to pets.

  • Start seeds indoors 6-8 weeks before the last frost for a head start
  • Provide full sun for optimal growth and flowering
  • Ensure well-draining soil to prevent root rot
  • Deadhead spent flowers to encourage more blooms
  • Monitor for pests and treat promptly.
❄️ Winter: As an annual, Love-Lies-Bleeding does not require winter care. The plant will die back after the first frost. Collect seeds for the next growing season.
☀️ Summer: Provide regular watering, especially during hot and dry periods. Fertilize every 4-6 weeks with a balanced fertilizer. Monitor for pests and diseases.

Rainbow Fern Care Tips

Rainbow Ferns are challenging houseplants due to their high humidity and moisture requirements. They thrive in terrariums or enclosed environments where humidity can be maintained. Consistent watering and bright, indirect light are crucial for their survival indoors. It is primarily an outdoor plant in tropical climates.

  • Use distilled or rainwater to avoid mineral buildup on the fronds.
  • Maintain high humidity by misting regularly or using a humidifier.
  • Provide bright, indirect light to enhance the iridescent coloration.
  • Ensure good drainage to prevent root rot.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering slightly, but maintain high humidity. Ensure the plant receives adequate light, supplementing with artificial light if necessary. Avoid placing near drafts or heating vents.
☀️ Summer: Water more frequently to keep the soil consistently moist. Protect from direct sunlight to prevent scorching. Increase ventilation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Love-Lies-Bleeding

Common Issues: Aphids, Spider mites, Root rot
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency.

Rainbow Fern

Common Issues: Browning fronds, Root rot, Lack of iridescence, Pest infestations (spider mites)
Solutions: Increase humidity, improve drainage, provide brighter indirect light, treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Love-Lies-Bleeding

What are the light requirements for Love-Lies-Bleeding?

Love-Lies-Bleeding requires a significant amount of sunlight to thrive and produce its characteristic vibrant blooms. Aim for at least 6-8 hours of direct sunlight per day. In indoor environments, place the plant near a south-facing window to maximize light exposure. If natural light is insufficient, consider supplementing with grow lights, particularly during the shorter days of winter.

How do I care for Love-Lies-Bleeding?

Love-Lies-Bleeding thrives in well-draining soil and requires regular watering, especially during hot weather. Aim to keep the soil consistently moist but not waterlogged. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer to encourage abundant blooming. Deadhead spent flowers to promote continuous flowering.

How do I propagate Love-Lies-Bleeding?

Love-Lies-Bleeding can be propagated easily from seeds. Collect seeds from dried flower heads and sow them directly into well-draining soil in spring. Keep the soil consistently moist and provide ample sunlight. Alternatively, stem cuttings can be taken in late spring or early summer. Take a 4-6 inch cutting, remove the lower leaves, and place it in water or moist potting mix until roots develop. Division is not a common method for this plant. Keiki propagation does not apply to this species.

Rainbow Fern

What are the light requirements for Rainbow Fern?

Rainbow Fern requires bright, indirect light to maintain its vibrant coloration. Direct sunlight can scorch its delicate fronds, so avoid placing it in direct sun exposure. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but supplemental lighting might be necessary if the plant doesn’t receive enough natural light. If placed near a south or west-facing window, use a sheer curtain to filter the light. Insufficient light can cause the colors to fade and the plant to become leggy. Observe the plant’s response to light and adjust its placement accordingly.

How do I care for Rainbow Fern?

Rainbow Fern thrives in bright, indirect light and consistently moist soil. Water thoroughly when the top inch of soil feels slightly dry, using distilled or filtered water to avoid mineral buildup. Maintain high humidity levels, ideally above 70%, through regular misting, a humidifier, or a pebble tray. Plant in a well-draining, acidic potting mix. Fertilize lightly during the growing season (spring and summer) with a diluted liquid fertilizer. Avoid direct sunlight, which can scorch the delicate foliage. Maintain temperatures between 60-75°F (15-24°C). Prune any dead or damaged fronds to encourage new growth. Ensure good air circulation to prevent fungal diseases. Repot only when necessary, usually every 1-2 years, using a slightly larger pot.

How do I propagate Rainbow Fern?

Rainbow Fern can be propagated by division or spores.

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