Forget-Me-Not vs Heart Fern Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Forget-Me-Not
Myosotis sylvatica
Myosotis sylvatica, commonly known as Forget-me-not, is a biennial or short-lived perennial plant typically grown for its delicate, vibrant blue flowers. It forms a low-growing, bushy habit, reaching heights of about 6-12 inches. The plant features small, hairy, lance-shaped leaves and clusters of tiny, five-petaled flowers with a yellow center. While primarily an outdoor plant, it is sometimes attempted indoors for its charming blooms, though success is limited due to its need for specific temperature and light conditions. People grow it for its sentimental value and the beautiful carpets of blue it creates in gardens.
Heart Fern
Hemionitis arifolia
The Heart Fern, *Hemionitis arifolia*, is a small, epiphytic fern prized for its unique, heart-shaped fronds. It typically grows to a height of 6-12 inches. Unlike many ferns, it doesn't have traditional fern-like foliage; instead, it features glossy, dark green, heart-shaped leaves that arise from slender, wiry, black stems (petioles). It is primarily grown as an ornamental plant, especially in terrariums or as a houseplant, due to its distinctive appearance and relatively compact size. While it can be grown indoors, it requires specific conditions to thrive, making it a moderately challenging houseplant.
Quick Plant Comparison
| Feature | Forget-Me-Not | Heart Fern |
|---|---|---|
| Light | Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. | Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. |
| Watering | Every 2-3 days outdoors, depending on weather conditions. Indoor attempts will likely need more frequent watering due to drier air. | Every 3-5 days, depending on humidity and temperature |
| Humidity | 40-60% | 70-90% |
| Temperature | 15-21°C | 18-24°C |
| Care Level | Expert | Moderate |
| Growth Rate | Moderate | Slow |
| Max Height | 6-12 inches (15-30 cm) outdoors. Indoors, it may remain smaller and less vigorous. | 6-12 inches |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-draining, fertile soil rich in organic matter. A mix of potting soil, peat moss, and perlite is suitable. | Well-draining, moisture-retentive potting mix such as a mix of peat moss, perlite, and orchid bark. |
| Beginner Friendly | ❌ No | With Caution |
| Weekly Maintenance | 15 minutes weekly | 15 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Forget-Me-Not
| Scientific Name | Myosotis sylvatica |
|---|---|
| Family | Boraginaceae |
| Native To | Europe and Asia |
| Also Known As | Forget-me-not, Woodland Forget-me-not, Garden Forget-me-not, Scorpion Grass |
| Leaves | The leaves are small, lance-shaped, and hairy, with a slightly rough texture. They are typically green in color and arranged alternately along the stems. |
| Flowers | It rarely flowers indoors. Outdoors, it produces clusters of tiny, five-petaled flowers that are typically bright blue with a yellow center. The flowers bloom profusely in spring and early summer. |
Heart Fern
| Scientific Name | Hemionitis arifolia |
|---|---|
| Family | Pteridaceae |
| Native To | Southeast Asia (Thailand, Malaysia) |
| Also Known As | Heart Fern |
| Leaves | The leaves (fronds) are heart-shaped (cordate), glossy, and dark green. They are typically 1-2 inches in size and have a smooth texture. The petioles (stems) are slender, wiry, and black, providing a striking contrast to the green foliage. |
| Flowers | Heart Ferns do not produce flowers. They reproduce via spores, which are found on the underside of the fronds in specialized structures called sporangia. Flowering is not a characteristic of ferns. |
📏 Size & Growth — Plant Comparison
Forget-Me-Not
Heart Fern
🌱 Propagation — Comparing Plant Growth
Forget-Me-Not
Methods: Seed, Division
Difficulty: Easy
Tips: Sow seeds directly in the garden in late spring or early fall. For division, carefully separate the plant into smaller clumps and replant in well-draining soil.
Heart Fern
Methods: Spores, Division (of rhizomes)
Difficulty: Moderate
Tips: Propagating from spores is difficult and requires a sterile environment. Division can be done during repotting by carefully separating the rhizomes, ensuring each division has healthy fronds and roots. Plant the divisions in fresh potting mix and keep them consistently moist.
✨ Benefits & Features — Comparing Plant Value
Forget-Me-Not
The most distinctive feature is its small, vibrant blue flowers with a yellow center. It's also known for its association with remembrance and enduring love, making it a popular choice for memorial gardens.
- ✓ Adds a touch of classic beauty to gardens
- ✓ Attracts pollinators, supporting local ecosystems
- ✓ Provides a sentimental and nostalgic element
- ✓ Can be used in cut flower arrangements
- ✓ Relatively easy to propagate from seed
- ⚠️ Toxic to pets
Heart Fern
The Heart Fern is unique due to its heart-shaped fronds, which are unlike the typical fern foliage. It also reproduces via spores, a characteristic of ferns, but its overall appearance is quite distinct. Its small size and preference for high humidity make it a popular choice for terrariums.
- ✓ Adds a unique aesthetic to your home.
- ✓ Non-toxic to pets and children.
- ✓ Can thrive in humid environments like bathrooms.
- ✓ Relatively small and compact, fitting in various spaces.
- ✓ Provides a calming and natural element to indoor spaces.
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Forget-Me-Not
Heart Fern
🌞 Light Requirements
Forget-Me-Not
Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors.
Low light tolerant: ❌ No
Heart Fern
Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.
Low light tolerant: ❌ No
💧 Watering Needs
Forget-Me-Not
Keep the soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering will cause the plant to wilt and the leaves to turn brown.
Heart Fern
Keep the soil consistently moist but not waterlogged. Allow the top inch of soil to slightly dry out before watering again. Overwatering can lead to root rot, while underwatering can cause the fronds to dry and crisp. Use distilled or filtered water to avoid mineral buildup.
🌡️ Temperature & Humidity
Forget-Me-Not
Temperature: 15-21°C
Humidity: 40-60%
Heart Fern
Temperature: 18-24°C
Humidity: 70-90%
🤔 Which Plant Is Right For You?
Forget-Me-Not
Myosotis sylvaticaGardeners who want to add a touch of classic charm and a carpet of blue to their outdoor spaces.
✅ Choose This Plant If...
- You want a plant with beautiful, delicate blue flowers.
- You want to attract pollinators to your garden.
- You appreciate plants with sentimental and historical significance.
- You have a cool, partially shaded outdoor space.
- You are willing to provide consistent moisture and care.
❌ Skip This Plant If...
- You are looking for a low-maintenance indoor plant.
- You have pets that may ingest the plant.
- You live in a very hot and dry climate.
- You don't have a suitable outdoor space.
- You prefer plants that thrive in low-light conditions.
Heart Fern
Hemionitis arifoliaExperienced plant enthusiasts who can provide high humidity and consistent moisture.
✅ Choose This Plant If...
- You love unique foliage and are willing to provide high humidity.
- You have experience with other humidity-loving plants.
- You want a small, compact plant for a terrarium or bright bathroom.
- You are looking for a non-toxic plant for a home with pets.
- You enjoy a plant that requires a bit more attention and care.
❌ Skip This Plant If...
- You struggle to maintain consistent watering schedules.
- You live in a dry climate and cannot provide adequate humidity.
- You are a beginner plant owner looking for a low-maintenance plant.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Forget-Me-Not is rated Expert care level, while Heart Fern is Moderate.
Forget-Me-Not has moderate growth, while Heart Fern grows slow.
💡 Pro Tips For Comparing These Plants
Forget-Me-Not Care Tips
Forget-me-nots are primarily outdoor plants that require specific conditions to thrive. Indoor cultivation is challenging due to the need for bright light, cool temperatures, and consistent moisture. Success indoors is limited, and the plant may not flower as profusely as it would outdoors.
- Provide consistent moisture, especially during hot weather.
- Deadhead spent flowers to encourage more blooms.
- Protect from harsh afternoon sun to prevent leaf scorch.
- Fertilize regularly during the growing season.
- Monitor for pests and diseases, and treat promptly.
Heart Fern Care Tips
Heart Ferns require high humidity and consistent moisture to thrive indoors. They are not as forgiving as some other ferns and can be challenging for beginners. Maintaining proper humidity is crucial for their survival.
- Use distilled or rainwater to avoid mineral buildup on the fronds.
- Maintain high humidity by using a humidifier, pebble tray, or grouping plants together.
- Avoid placing the plant near drafts or heating vents.
- Monitor for pests regularly and treat promptly.
- Provide adequate air circulation to prevent fungal diseases.
⚠️ Common Problems & Solutions — Plant Care Comparison
Forget-Me-Not
Heart Fern
❓ Frequently Asked Questions — Comparing These Plants
Forget-Me-Not
What are the light requirements for Forget-Me-Not?
Forget-Me-Nots flourish in partial shade to full sun, depending on the climate. In hotter regions, provide shade during the hottest part of the day to prevent scorching. In cooler climates, they can tolerate more sun. Aim for at least four to six hours of sunlight daily for optimal flowering. Insufficient light can result in leggy growth and reduced bloom production.
How do I care for Forget-Me-Not?
Forget-Me-Nots thrive in moist, well-draining soil. Plant them in a location that receives partial shade, especially during the hottest part of the day. Water regularly, keeping the soil consistently moist but not waterlogged. Fertilize lightly in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further flowering.
How do I propagate Forget-Me-Not?
Forget-Me-Nots can be propagated through seeds, division, or stem cuttings.
Heart Fern
What are the light requirements for Heart Fern?
Heart Ferns thrive in bright, indirect light. Direct sunlight can easily scorch their delicate fronds, causing them to turn brown or yellow. An east-facing window is often ideal, providing gentle morning sunlight. A north-facing window can also work, but ensure the plant receives sufficient light. Avoid placing the fern in a south- or west-facing window without adequate shading. If the leaves start to pale or the plant appears leggy, it may not be receiving enough light. In such cases, consider moving it to a brighter location or supplementing with artificial light. Grow lights can be particularly helpful during the darker winter months. Remember to rotate the plant periodically to ensure even light exposure on all sides.
How do I care for Heart Fern?
Heart Ferns require consistent moisture and high humidity to thrive. Keep the soil consistently moist but not soggy. Water when the top inch of soil feels slightly dry. Use filtered or rainwater to avoid mineral buildup. Place the fern in a location with bright, indirect light; direct sunlight can scorch the delicate fronds. Maintain humidity levels above 60% by using a humidifier, pebble tray, or grouping plants together. The ideal temperature range is between 65°F and 75°F (18°C to 24°C). Fertilize sparingly during the growing season (spring and summer) with a diluted liquid fertilizer formulated for ferns. Repot every 1-2 years into a slightly larger pot with a well-draining potting mix suitable for ferns. Prune any yellowing or damaged fronds to encourage new growth. Regularly check for pests such as mealybugs or scale and treat promptly if detected. Ensure good air circulation to prevent fungal diseases. Mist the plant regularly to maintain humidity.
How do I propagate Heart Fern?
Heart Fern can be propagated through division or spores. Division is the easier method. During repotting, carefully separate the rhizomes into smaller clumps, ensuring each clump has healthy roots and fronds. Plant each clump in its own pot with well-draining potting mix. Keep the soil consistently moist and maintain high humidity. Propagating from spores is more challenging and requires a sterile environment. Collect spores from mature fronds and sow them on a sterile growing medium. Cover with a humidity dome and maintain consistent moisture and warmth. It can take several months for spores to germinate and develop into small plantlets. Once the plantlets are large enough to handle, transplant them into individual pots. Both methods require patience and attention to detail.
Last updated: April 24, 2026 — Plant care data reviewed and verified by our editorial team.