Carrot Fern vs Goldfish Plant Plant Comparison

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

Carrot Fern

Carrot Fern

Onychium japonicum

VS
Goldfish Plant

Goldfish Plant

Nematanthus gregarius

Carrot Fern

Carrot Fern

Onychium japonicum

Onychium japonicum, commonly known as the Carrot Fern, is a delicate-looking fern with finely divided, lacy fronds resembling carrot leaves, hence the name. It is a terrestrial fern, naturally found in moist, shaded areas. While it can be grown indoors, it requires specific conditions to thrive. People grow it for its unique foliage texture and elegant appearance. It is not a particularly robust fern and needs consistent care to maintain its beauty. This fern adds a touch of elegance to any space with its intricate foliage.

Pteridaceae East Asia (Japan, China, Korea)
✨ Features: Delicate, lacy foliage adds an elegant touch to indoor spaces.
📖 Read Complete Carrot Fern Guide
Goldfish Plant

Goldfish Plant

Nematanthus gregarius

The Goldfish Plant (Nematanthus gregarius) is an epiphytic shrub known for its unique flowers that resemble small goldfish. It features glossy, dark green, oval-shaped leaves and produces vibrant orange-red flowers from spring to fall. While it can be grown indoors, it requires specific conditions to thrive and flower reliably. It's a popular choice for hanging baskets due to its trailing growth habit. People grow it for its unusual and attractive flowers, adding a touch of whimsy to indoor spaces.

Gesneriaceae Brazil
✨ Features: Unique flower shape resembling goldfish.
📖 Read Complete Goldfish Plant Guide

Quick Plant Comparison

Feature Carrot Fern Goldfish Plant
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Every 3-5 days, depending on environmental conditions Every 7-10 days, depending on environmental conditions.
Humidity 60-80% 50-70%
Temperature 18-24°C 18-24°C
Care Level Moderate Moderate
Growth Rate Moderate Moderate
Max Height 30-60 cm 30-60 cm
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, moisture-retentive potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly With Caution With Caution
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Carrot Fern

Scientific Name Onychium japonicum
Family Pteridaceae
Native To East Asia (Japan, China, Korea)
Also Known As Carrot Fern, Japanese Claw Fern, Claw Fern
Leaves The leaves (fronds) are finely divided and lacy, resembling carrot leaves. They are typically light green in color and have a delicate texture. The fronds can grow up to 30 cm long and are arranged in an arching pattern.
Flowers Carrot Ferns do not produce flowers indoors. They reproduce via spores.

Goldfish Plant

Scientific Name Nematanthus gregarius
Family Gesneriaceae
Native To Brazil
Also Known As Goldfish Plant, Guppy Plant
Leaves The leaves are glossy, dark green, and oval-shaped, with a slightly succulent texture. They are typically 2-5 cm long and arranged oppositely along the stems. The foliage provides an attractive backdrop to the vibrant flowers.
Flowers The Goldfish Plant produces vibrant orange-red flowers that resemble small goldfish. The flowers are typically 2-3 cm long and appear in clusters at the ends of the stems. Flowering occurs primarily in spring and summer, but can occur sporadically throughout the year under optimal conditions.

📏 Size & Growth — Plant Comparison

Carrot Fern

Height 30-60 cm
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern The Carrot Fern grows in a clumping habit, with fronds emerging from a central rhizome. It does not typically spread aggressively, but can slowly expand over time.

Goldfish Plant

Height 30-60 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Trailing or cascading growth habit, making it suitable for hanging baskets or displaying on shelves where it can spill over the edges. It forms a dense, bushy plant with multiple stems.

🌱 Propagation — Comparing Plant Growth

Carrot Fern

Methods: Spores, Division

Difficulty: Moderate

Tips: Spores require a sterile environment and high humidity for germination. Division is best done in spring, separating the rhizomes carefully and planting them in fresh potting mix.

Goldfish Plant

Methods: Stem cuttings

Difficulty: Easy

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 soil moist and provide high humidity.

✨ Benefits & Features — Comparing Plant Value

Carrot Fern

The Carrot Fern's unique, finely divided fronds distinguish it from other ferns. Its delicate appearance adds a touch of elegance to any indoor space. It requires specific care conditions to thrive, making it a rewarding challenge for experienced plant enthusiasts.

  • ✓ Adds a touch of elegance to any space.
  • ✓ Unique foliage texture provides visual interest.
  • ✓ Can improve indoor humidity levels.
  • ✓ Provides a calming and natural aesthetic.
  • ✓ Can be a rewarding plant to care for.
  • 🐾 Pet Safe

Goldfish Plant

The Goldfish Plant is known for its unique flowers that resemble small goldfish, making it a conversation starter. Its trailing growth habit makes it ideal for hanging baskets, adding a touch of whimsy to indoor spaces.

  • ✓ Adds a unique and whimsical touch to indoor spaces.
  • ✓ Provides visual interest with its unusual flowers.
  • ✓ Can be grown in hanging baskets, saving space.
  • ✓ Offers a sense of accomplishment when it blooms successfully.
  • ✓ Enhances the aesthetic appeal of a room.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Carrot Fern

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove dead or damaged fronds to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering frequency as growth slows. Maintain humidity levels. In summer, ensure adequate moisture and protect from direct sunlight.

Goldfish Plant

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Prune after flowering to encourage bushier growth and more blooms.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering frequency and avoid fertilizing. Provide bright, indirect light. In summer, increase watering and fertilize regularly. Protect from direct sunlight.

🌞 Light Requirements

Carrot Fern

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

Low light tolerant: ❌ No

Goldfish Plant

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

Low light tolerant: ❌ No

💧 Watering Needs

Carrot Fern

Keep the soil consistently moist but not soggy. Water when the top inch of soil feels slightly dry. Overwatering can lead to root rot, while underwatering causes the fronds to dry and brown. Ensure good drainage.

Goldfish Plant

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to leaf drop and fungal diseases. Underwatering will cause the leaves to shrivel and the flower buds to drop.

🌡️ Temperature & Humidity

Carrot Fern

Temperature: 18-24°C

Humidity: 60-80%

Goldfish Plant

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Carrot Fern

Carrot Fern

Onychium japonicum
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide the necessary humidity and consistent care.

✅ Choose This Plant If...

  • You appreciate delicate, lacy foliage.
  • You can provide high humidity levels.
  • You are experienced with caring for ferns.
  • You want a unique and elegant houseplant.
  • You have a location with bright, indirect light.

❌ Skip This Plant If...

  • You struggle to maintain high humidity.
  • You tend to overwater plants.
  • You are a beginner plant owner.
  • You have limited space.
  • You want a low-maintenance plant.
📍 Ideal Location: Bathroom, kitchen, or any room with high humidity and bright, indirect light.
🎨 Style: Bohemian, Tropical, Elegant
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, ferns in general are considered non-toxic to dogs, cats, and horses. Onychium japonicum is not specifically listed, but given its classification as a fern, it is considered non-toxic.
Goldfish Plant

Goldfish Plant

Nematanthus gregarius
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant owners who can provide the specific light and humidity conditions needed for flowering.

✅ Choose This Plant If...

  • You love unique and unusual flowers.
  • You can provide bright, indirect light and moderate humidity.
  • You enjoy a plant that can be grown in a hanging basket.
  • You are willing to provide regular fertilization during the growing season.
  • You are an experienced plant owner looking for a rewarding challenge.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide bright, indirect light.
  • You tend to overwater your plants.
📍 Ideal Location: Bright bathroom, east or west-facing window, greenhouse.
🎨 Style: Tropical, Eclectic, Bohemian
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Goldfish Plants are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Carrot Fern ✓
Less Maintenance Similar effort
Apartment Friendly Both work!

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Carrot Fern Care Tips

Carrot Fern requires consistent moisture, high humidity, and bright, indirect light. It can be challenging to maintain the necessary humidity levels indoors, making it less suitable for beginners. Regular watering and occasional fertilization are essential for healthy growth. Avoid direct sunlight and drafts.

  • Use distilled or rainwater to avoid mineral buildup in the soil.
  • Mist the plant regularly to maintain high humidity.
  • Provide good air circulation to prevent fungal diseases.
  • Avoid placing the plant near drafts or heat sources.
  • Monitor for pests regularly and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as growth slows. Maintain humidity levels and avoid placing the plant near cold drafts.
☀️ Summer: Ensure adequate moisture during the summer months, as the plant will be actively growing. Protect from direct sunlight to prevent scorching of the fronds.

Goldfish Plant Care Tips

Goldfish Plants require bright, indirect light, moderate humidity, and well-draining soil. Consistent watering is crucial, but avoid overwatering. They can be challenging to flower indoors without proper light and humidity. Regular fertilization during the growing season is beneficial.

  • Provide bright, indirect light to encourage flowering.
  • Maintain moderate humidity by misting regularly or using a humidifier.
  • Water thoroughly when the top inch of soil feels dry.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Prune after flowering to promote bushier growth.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Avoid fertilizing during this time. Provide bright, indirect light and maintain a consistent temperature.
☀️ Summer: Increase watering frequency during the summer months as the plant's growth accelerates. Fertilize regularly with a balanced liquid fertilizer. Protect from direct sunlight to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Carrot Fern

Common Issues: Browning fronds, Root rot, Pest infestations (spider mites, mealybugs)
Solutions: Browning fronds: Increase humidity and ensure consistent watering. | Root rot: Improve drainage and reduce watering frequency. | Pest infestations: Treat with insecticidal soap or neem oil.

Goldfish Plant

Common Issues: Leaf drop, lack of flowering, root rot, mealybugs.
Solutions: Leaf drop: Increase humidity and ensure proper watering. Lack of flowering: Provide brighter light and fertilize regularly. Root rot: Improve drainage and reduce watering frequency. Mealybugs: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Carrot Fern

What are the light requirements for Carrot Fern?

Carrot Fern requires bright, indirect light to thrive. Direct sunlight can scorch its delicate fronds, leading to browning and damage. An east-facing window is often ideal, providing gentle morning sun. A north-facing window can also work, but ensure the plant receives enough light throughout the day. If you place your Carrot Fern near a south or west-facing window, use sheer curtains to filter the sunlight. If the fronds start to look pale or leggy, it may indicate that the plant is not receiving enough light. Conversely, if the fronds turn brown or crispy, it may be getting too much direct light. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Carrot Fern?

Carrot Fern thrives in bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds. Water thoroughly when the top inch of soil feels dry, but ensure the pot has good drainage to prevent root rot. Maintain high humidity levels by misting regularly, using a humidifier, or placing the pot on a pebble tray filled with water. The ideal temperature range is between 65-75°F (18-24°C). Feed with a diluted liquid fertilizer every 2-4 weeks during the growing season (spring and summer). Repot every 1-2 years into a slightly larger pot with well-draining potting mix. Prune away any dead or damaged fronds to encourage new growth. Regularly check for pests like spider mites or mealybugs and treat them promptly. Provide good air circulation to prevent fungal diseases.

How do I propagate Carrot Fern?

Carrot Fern can be propagated by division or spores. Division is the easier method. To divide, gently remove the plant from its pot and separate the rhizomes into smaller sections, ensuring each section has healthy roots and fronds. Plant each section in its own pot with well-draining potting mix. Keep the soil consistently moist and provide high humidity until new growth appears. Propagating from spores is more challenging and requires a sterile environment. Collect spores from mature fronds and sow them on a sterile potting mix. Cover with a clear plastic dome to maintain high humidity. Keep the soil moist and provide bright, indirect light. It can take several weeks or months for spores to germinate.

Goldfish Plant

What are the light requirements for Goldfish Plant?

Goldfish Plants require bright, indirect light to thrive and produce their signature blooms. East- or west-facing windows are ideal, providing ample light without the harsh intensity of direct sunlight. Avoid placing the plant in direct south-facing windows, especially during the hottest part of the day, as this can cause leaf burn. If natural light is insufficient, supplement with a grow light. Insufficient light can result in leggy growth, fewer blooms, and pale leaves. Rotate the plant regularly to ensure even light exposure on all sides. A general rule is if you need a lamp to comfortably read in the spot the plant is in, the plant likely needs more light.

How do I care for Goldfish Plant?

Goldfish Plants thrive in bright, indirect light; avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity levels, ideally between 50-70%, using a humidifier or pebble tray. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength to encourage blooming. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years in spring, using a well-draining potting mix. Provide temperatures between 65-75°F (18-24°C). Protect from drafts and sudden temperature changes. Watch for pests like aphids or mealybugs, and treat promptly if detected. During the dormant winter months, reduce watering and fertilization.

How do I propagate Goldfish Plant?

Goldfish Plants can be easily propagated through stem cuttings. Take a 4-6 inch stem cutting from a healthy plant. 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 high humidity. Place in bright, indirect light. Roots should develop in 4-6 weeks. Once rooted, transplant into a larger pot. Division is possible when repotting mature plants. Keiki formation is not common in Goldfish Plants. Ensure the humidity levels are high for successful propagation.

Last updated: May 11, 2026 — Plant care data reviewed and verified by our editorial team.