Brazilian Jasmine vs Interrupted Fern Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Brazilian Jasmine
Mandevilla sanderi
Mandevilla sanderi, commonly known as Brazilian Jasmine, is a tropical vine prized for its showy, trumpet-shaped flowers. It is native to Brazil and typically grown outdoors in warm climates. The plant features glossy, dark green leaves and produces vibrant pink or red flowers throughout the growing season. While it can be grown in containers, it requires significant sunlight and humidity to thrive indoors. People grow it for its beautiful flowers and tropical appearance, often training it on trellises or arbors.
Interrupted Fern
Osmunda claytoniana
The Interrupted Fern is a deciduous fern characterized by its unique fronds. It's primarily an outdoor plant, native to moist woodlands and stream banks. The 'interrupted' name comes from the fertile pinnae located in the middle of the frond, which wither and drop off, leaving a gap. The fronds are initially upright, arching gracefully as they mature. People cultivate it for its textural interest and naturalistic beauty in shade gardens and woodland settings. It is not well-suited for indoor cultivation due to its size and specific environmental needs.
Quick Plant Comparison
| Feature | Brazilian Jasmine | Interrupted Fern |
|---|---|---|
| Light | Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely. | Partial shade to full shade. Requires protection from direct sunlight, especially during the hottest part of the day. |
| Watering | Every 5-7 days during the growing season, less frequently in winter. | 2-3 times per week, depending on weather and soil drainage |
| Humidity | 50-70% | 50-70% |
| Temperature | 18-27°C | 10-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | Up to 3 meters outdoors, 1-2 meters indoors with support. | 0.6-1.5 meters (2-5 feet) |
| Pet Safety | ❌ Toxic To Pets | ✅ Safe |
| Soil | Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. | Rich, well-draining, slightly acidic soil. A mix of peat moss, compost, and loam is ideal. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly | 15 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Brazilian Jasmine
| Scientific Name | Mandevilla sanderi |
|---|---|
| Family | Apocynaceae |
| Native To | Brazil |
| Also Known As | Brazilian Jasmine, Red Riding Hood, Mandevilla |
| Leaves | The leaves of Mandevilla sanderi are glossy, dark green, and oval-shaped with pointed tips. They are typically 5-10 cm long and arranged oppositely along the stems. The texture is smooth and slightly leathery. |
| Flowers | Brazilian Jasmine flowers profusely outdoors in warm climates. The flowers are trumpet-shaped, typically pink or red, and about 5-8 cm in diameter. They are produced in clusters and bloom continuously throughout the growing season. Indoor flowering is possible with sufficient light, but less reliable. |
Interrupted Fern
| Scientific Name | Osmunda claytoniana |
|---|---|
| Family | Osmundaceae |
| Native To | Eastern North America, Eastern Asia |
| Also Known As | Interrupted Fern, Clayton's Fern |
| Leaves | The fronds are bipinnately compound, meaning the leaflets (pinnae) are further divided into smaller segments (pinnules). The sterile pinnae are a vibrant green, while the fertile pinnae are initially green but turn brown and wither, leaving a gap in the middle of the frond. The fronds can reach up to 1.5 meters (5 feet) in length. |
| Flowers | Ferns do not produce flowers. They reproduce via spores. |
📏 Size & Growth — Plant Comparison
Brazilian Jasmine
Interrupted Fern
🌱 Propagation — Comparing Plant Growth
Brazilian Jasmine
Methods: Stem cuttings, Seed
Difficulty: Moderate
Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.
Interrupted Fern
Methods: Spores, Division
Difficulty: Moderate
Tips: Division is best done in early spring or fall. Carefully separate the rhizomes, ensuring each section has healthy roots and fronds. Spores require a sterile environment and consistent moisture to germinate.
✨ Benefits & Features — Comparing Plant Value
Brazilian Jasmine
Brazilian Jasmine is known for its vibrant, trumpet-shaped flowers that bloom throughout the growing season. Unlike true jasmine, it is not fragrant, but its showy blooms and glossy foliage make it a popular choice for tropical gardens. It's a vigorous vine that can quickly cover a trellis or arbor.
- ✓ Adds vibrant color to outdoor spaces.
- ✓ Attracts pollinators like hummingbirds and butterflies.
- ✓ Provides a tropical aesthetic.
- ✓ Can be trained on trellises or arbors for vertical interest.
- ✓ Offers a sense of accomplishment for experienced gardeners.
- ⚠️ Toxic to pets
Interrupted Fern
The Interrupted Fern is unique due to the fertile pinnae located in the middle of the frond, which wither and drop off, leaving a gap. This gives the frond its distinctive 'interrupted' appearance. The plant also has a bold, upright growth habit that makes it a striking addition to any shade garden.
- ✓ Adds textural interest to the garden
- ✓ Provides habitat for wildlife
- ✓ Creates a naturalistic and calming atmosphere
- ✓ Enhances the beauty of shady areas
- ✓ Can be used in medicinal applications (historically)
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Brazilian Jasmine
Interrupted Fern
🌞 Light Requirements
Brazilian Jasmine
Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to flower profusely.
Low light tolerant: ❌ No
Interrupted Fern
Partial shade to full shade. Requires protection from direct sunlight, especially during the hottest part of the day.
Low light tolerant: ❌ No
💧 Watering Needs
Brazilian Jasmine
Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and stem rot.
Interrupted Fern
Requires consistently moist soil. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot, especially in poorly draining soil. Underwatering will cause the fronds to dry out and brown.
🌡️ Temperature & Humidity
Brazilian Jasmine
Temperature: 18-27°C
Humidity: 50-70%
Interrupted Fern
Temperature: 10-24°C
Humidity: 50-70%
🤔 Which Plant Is Right For You?
Brazilian Jasmine
Mandevilla sanderiExperienced gardeners in warm climates who want a beautiful, flowering vine for their patio or garden.
✅ Choose This Plant If...
- You live in a warm climate and want a vibrant, flowering vine for your garden.
- You have a sunny patio or balcony where you can provide ample sunlight.
- You are an experienced gardener who enjoys a challenge.
- You want to attract hummingbirds and butterflies to your garden.
- You appreciate the tropical look and feel of this plant.
❌ Skip This Plant If...
- You have pets or small children who might ingest the plant.
- You live in a cold climate with harsh winters.
- You don't have a sunny location to provide adequate light.
- You are a beginner gardener looking for an easy-to-care-for plant.
Interrupted Fern
Osmunda claytonianaGardeners with shady, moist areas who want a naturalistic, textural element in their landscape.
✅ Choose This Plant If...
- You have a shady, moist garden area.
- You want a unique and textural fern.
- You want to attract wildlife to your garden.
- You appreciate the naturalistic beauty of woodland plants.
- You are an experienced gardener looking for a rewarding challenge.
❌ Skip This Plant If...
- You have limited space.
- You cannot provide consistently moist conditions.
- You want a low-maintenance plant.
🎯 Quick Verdict
⚡ 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
Brazilian Jasmine Care Tips
Brazilian Jasmine is primarily an outdoor plant and requires significant sunlight and humidity to thrive. Indoor cultivation is challenging and requires supplemental lighting and careful attention to watering. It is toxic to pets, so keep it out of reach. Regular pruning is necessary to maintain its shape and encourage flowering.
- Provide a sturdy trellis or support for the vine to climb.
- Water deeply but allow the soil to dry slightly between waterings.
- Fertilize regularly during the growing season to promote abundant blooms.
- Prune after flowering to maintain shape and encourage new growth.
- Protect from frost in colder climates.
Interrupted Fern Care Tips
Interrupted Fern is primarily an outdoor plant that requires consistently moist, shaded conditions. Indoor cultivation is challenging due to its size and humidity needs. It needs rich, acidic soil and protection from direct sunlight. Regular watering and occasional fertilization are essential for healthy growth.
- Provide consistent moisture, especially during dry periods.
- Amend the soil with plenty of organic matter.
- Protect from direct sunlight.
- Fertilize in early spring with a slow-release fertilizer.
- Monitor for pests and diseases regularly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Brazilian Jasmine
Interrupted Fern
❓ Frequently Asked Questions — Comparing These Plants
Brazilian Jasmine
What are the light requirements for Brazilian Jasmine?
Brazilian Jasmine requires bright, indirect sunlight to thrive and produce abundant blooms. A location near an east- or west-facing window is ideal, providing several hours of gentle morning or afternoon sun. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. If you notice the leaves turning pale or yellowish, it may indicate insufficient light. In this case, move the plant to a brighter location or supplement with artificial grow lights. The intensity of the light directly impacts the plant’s ability to flower, so ensuring adequate light exposure is crucial for optimal growth. Rotate the plant regularly to ensure even light exposure on all sides.
How do I care for Brazilian Jasmine?
Brazilian Jasmine thrives in bright, indirect sunlight; provide at least 6 hours daily. Water thoroughly when the top inch of soil is dry, ensuring good drainage. Maintain high humidity levels, ideally between 50-70%, through misting or a humidifier. Fertilize regularly during the growing season (spring and summer) with a balanced, liquid fertilizer diluted to half strength every 2-4 weeks to promote abundant blooms. Prune lightly after flowering to encourage bushier growth and more blooms in the future. Repot every 2-3 years in spring using a well-draining potting mix. Provide a trellis or support for climbing. Protect from frost and cold temperatures. Monitor for pests like spider mites and aphids, treating promptly with insecticidal soap or neem oil. Good air circulation is essential to prevent fungal diseases.
How do I propagate Brazilian Jasmine?
Brazilian Jasmine can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, 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 in a warm, humid environment. Rooting typically occurs in 4-8 weeks. Division involves separating the root ball of a mature plant into smaller sections, ensuring each section has healthy roots and shoots. Replant each section in its own pot. Air layering involves encouraging roots to form on a stem while it is still attached to the parent plant. Once roots have formed, the stem can be cut and planted.
Interrupted Fern
What are the light requirements for Interrupted Fern?
Interrupted Ferns thrive in bright, indirect light. Direct sunlight can scorch their delicate fronds, leading to browning and damage. An east-facing window is ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental grow lights if the fern isn’t receiving enough light.
How do I care for Interrupted Fern?
Interrupted Ferns require consistent moisture and high humidity to thrive. Plant in well-draining, acidic soil rich in organic matter. Water regularly to keep the soil consistently moist, but not waterlogged. Provide bright, indirect light; avoid direct sunlight, which can scorch the fronds.
How do I propagate Interrupted Fern?
Interrupted Ferns can be propagated through division or by spores. Division is the easier method. In early spring, carefully dig up the fern and gently separate the rhizomes into smaller clumps, ensuring each clump has healthy fronds and roots. Replant the divisions in well-draining, acidic soil and keep them consistently moist.
Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.
