Carrot Fern vs Creeping Jenny Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Creeping Jenny
Lysimachia nummularia
Creeping Jenny (Lysimachia nummularia) is a perennial ground cover known for its trailing stems and round, coin-like leaves. It's primarily an outdoor plant, often used in gardens as a ground cover, in hanging baskets, or cascading over walls. While it can be grown indoors, it requires specific conditions to thrive and may not be as vigorous as when grown outdoors. People grow it for its attractive foliage and ability to quickly cover ground.
Quick Plant Comparison
| Feature | Carrot Fern | Creeping Jenny |
|---|---|---|
| Light | Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. | Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near a south- or west-facing window. |
| Watering | Every 3-5 days, depending on environmental conditions | Every 3-7 days, depending on light and temperature |
| Humidity | 60-80% | 40-60% |
| Temperature | 18-24°C | 18-24°C |
| Care Level | Moderate | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | 30-60 cm | 2-10 cm (indoors) |
| 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 | 10 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. |
Creeping Jenny
| Scientific Name | Lysimachia nummularia |
|---|---|
| Family | Primulaceae |
| Native To | Europe |
| Also Known As | Creeping Jenny, Moneywort, Twopenny Grass |
| Leaves | The leaves are small, round, and coin-like, typically 1-2 cm in diameter. They are usually bright green, but some varieties have golden or variegated foliage. The texture is smooth and slightly succulent. |
| Flowers | It rarely flowers indoors. When it does, it produces small, yellow, cup-shaped flowers in the summer. |
📏 Size & Growth — Plant Comparison
Carrot Fern
Creeping Jenny
🌱 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.
Creeping Jenny
Methods: Stem cuttings, Division
Difficulty: Easy
Tips: Take stem cuttings in spring or summer and root them in water or directly in moist soil. Division can be done in spring or fall by separating the rhizomes.
✨ 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
Creeping Jenny
Creeping Jenny is known for its rapid growth and trailing habit, making it a popular choice for ground cover and hanging baskets. Its small, round leaves give it a unique and attractive appearance. It is also relatively easy to propagate from stem cuttings.
- ✓ Adds visual interest to indoor spaces with its trailing habit.
- ✓ Can be easily propagated to create more plants.
- ✓ Provides a touch of greenery to brighten up a room.
- ✓ Relatively easy to care for once its needs are understood.
- ✓ Can be used in various container arrangements.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Carrot Fern
Creeping Jenny
🌞 Light Requirements
Carrot Fern
Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.
Low light tolerant: ❌ No
Creeping Jenny
Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near a south- or west-facing window.
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.
Creeping Jenny
Keep 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, while underwatering will cause the leaves to wilt and turn brown. Ensure good drainage.
🌡️ Temperature & Humidity
Carrot Fern
Temperature: 18-24°C
Humidity: 60-80%
Creeping Jenny
Temperature: 18-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Carrot Fern
Onychium japonicumExperienced 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.
Creeping Jenny
Lysimachia nummulariaExperienced plant owners looking for a trailing plant to add to a bright indoor space or outdoor container.
✅ Choose This Plant If...
- You want a trailing plant for a hanging basket or container arrangement.
- You have a bright indoor space where it can receive ample light.
- You enjoy the look of its small, round, coin-like leaves.
- You are an experienced plant owner who can provide the necessary care.
- You want a plant that is easy to propagate.
❌ Skip This Plant If...
- You have pets that may ingest the plant.
- You cannot provide bright, indirect light indoors.
- You are a beginner plant owner looking for a low-maintenance plant.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Carrot Fern is rated Moderate care level, while Creeping Jenny is Expert.
Carrot Fern has moderate growth, while Creeping Jenny grows fast.
💡 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.
Creeping Jenny Care Tips
Creeping Jenny is relatively easy to grow outdoors, but requires more attention indoors. Providing adequate light and consistent moisture are crucial. It can become leggy and less vibrant indoors without sufficient light. Regular pruning is needed to maintain its shape and prevent it from becoming too invasive.
- Provide bright, indirect light to prevent leggy growth.
- Water thoroughly when the top inch of soil is dry.
- Fertilize regularly during the growing season.
- Prune regularly to maintain shape and encourage bushier growth.
- Monitor for pests and treat promptly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Carrot Fern
Creeping Jenny
❓ 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.
Creeping Jenny
What are the light requirements for Creeping Jenny?
Creeping Jenny prefers bright, indirect light, but it can tolerate partial shade. In brighter light, the foliage will be more vibrant and the growth will be more vigorous. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is ideal, but a north- or west-facing window can also work, as long as the plant receives sufficient light.
How do I care for Creeping Jenny?
Creeping Jenny thrives in bright, indirect light but can tolerate some shade. Water when the top inch of soil feels dry to the touch, avoiding overwatering which can lead to root rot. Well-draining soil is crucial. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain desired shape and encourage bushier growth.
How do I propagate Creeping Jenny?
Creeping Jenny is easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Place the cutting in water or directly into moist potting mix. Roots should develop within a few weeks.
Last updated: May 9, 2026 — Plant care data reviewed and verified by our editorial team.