Immortelle vs Madagascar Jasmine Plant Comparison

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

Immortelle

Immortelle

Helichrysum arenarium

VS
Madagascar Jasmine

Madagascar Jasmine

Stephanotis floribunda

Immortelle

Immortelle

Helichrysum arenarium

Helichrysum arenarium, commonly known as Immortelle or Dwarf Everlast, is a perennial herbaceous plant characterized by its woolly, grey-green foliage and clusters of bright yellow, papery flowers. It typically grows to a height of 10-30 cm. Native to sandy and dry habitats, it is valued for its long-lasting flowers that retain their color and shape even when dried. This makes it a popular choice for dried flower arrangements and potpourri. It is primarily an outdoor plant, thriving in sunny, well-drained conditions. While it can be grown in containers, it requires specific conditions to flourish indoors.

Asteraceae Europe and Asia
✨ Features: Long-lasting dried flowers, aromatic foliage
📖 Read Complete Immortelle Guide
Madagascar Jasmine

Madagascar Jasmine

Stephanotis floribunda

Stephanotis floribunda, commonly known as Madagascar Jasmine, is a woody, twining vine prized for its highly fragrant, waxy white flowers. Native to Madagascar, it's often grown as an ornamental plant, especially for weddings and special occasions. The plant features glossy, dark green leaves and can reach considerable lengths in its natural habitat. While it can be grown indoors, it requires specific conditions to thrive and flower, often proving challenging for novice indoor gardeners. It is grown for its beautiful scent and attractive foliage.

Apocynaceae Madagascar
✨ Features: Highly fragrant flowers
📖 Read Complete Madagascar Jasmine Guide

Quick Plant Comparison

Feature Immortelle Madagascar Jasmine
Light Full sun Bright, indirect light with several hours of direct morning sun or filtered afternoon sun. Insufficient light will inhibit flowering.
Watering Every 1-2 weeks, depending on environmental conditions Every 7-10 days during the growing season, less frequently in winter.
Humidity 30-50% 50-70%
Temperature 15-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 0.1-0.3 meters (indoors, likely smaller) 1-2 meters indoors
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining sandy or loamy soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Immortelle

Scientific Name Helichrysum arenarium
Family Asteraceae
Native To Europe and Asia
Also Known As Dwarf Everlast, Immortelle, Sandy Everlasting, Goldilocks
Leaves The leaves are small, narrow, and covered in fine, silvery-grey hairs, giving them a woolly texture. They are typically lance-shaped and arranged alternately along the stems.
Flowers Helichrysum arenarium produces clusters of bright yellow, papery flowers in summer. The flowers are small and daisy-like, with a distinctive papery texture that allows them to retain their shape and color when dried. Flowering is unlikely indoors.

Madagascar Jasmine

Scientific Name Stephanotis floribunda
Family Apocynaceae
Native To Madagascar
Also Known As Madagascar Jasmine, Bridal Wreath, Waxflower
Leaves The leaves are oval-shaped, glossy, dark green, and leathery in texture. They are typically 5-10 cm long and arranged oppositely on the stems.
Flowers It can flower indoors with proper care. The flowers are waxy, white, star-shaped, and highly fragrant. They appear in clusters and bloom primarily in spring and summer.

📏 Size & Growth — Plant Comparison

Immortelle

Height 0.1-0.3 meters (indoors, likely smaller)
Spread 0.2-0.4 meters
Growth Rate Moderate
Growth Pattern Helichrysum arenarium grows as a low-growing, spreading perennial. It forms a dense mat of silvery-grey foliage and produces clusters of bright yellow flowers on upright stems.

Madagascar Jasmine

Height 1-2 meters indoors
Spread 0.5-1 meter indoors
Growth Rate Moderate
Growth Pattern It is a twining vine that climbs by wrapping its stems around supports. It can grow to considerable lengths if provided with adequate support and conditions.

🌱 Propagation — Comparing Plant Growth

Immortelle

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow in spring in well-draining soil. Division can be done in spring or fall. Stem cuttings should be taken in late spring or early summer and rooted in a well-draining medium.

Madagascar Jasmine

Methods: Stem cuttings, layering, seed (difficult)

Difficulty: Moderate

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 cutting warm and humid.

✨ Benefits & Features — Comparing Plant Value

Immortelle

The flowers of Helichrysum arenarium retain their color and shape when dried, making them ideal for dried flower arrangements. It is also known for its aromatic foliage, which releases a pleasant scent when touched.

  • ✓ Provides beautiful dried flowers for arrangements.
  • ✓ Attracts pollinators to the garden.
  • ✓ Drought-tolerant and low-maintenance in suitable conditions.
  • ✓ Adds visual interest with its silver-grey foliage and bright yellow flowers.
  • ✓ Aromatic foliage releases a pleasant scent.
  • 🐾 Pet Safe

Madagascar Jasmine

The intense fragrance of the flowers is its most notable characteristic. It's also a climbing vine, which allows for unique display options.

  • ✓ Beautiful and fragrant flowers enhance the ambiance of a room
  • ✓ Glossy green foliage adds a touch of elegance
  • ✓ Can be trained on a trellis or support, creating a living wall
  • ✓ Provides a sense of accomplishment for experienced plant owners
  • ✓ Flowers can be used in floral arrangements (with caution due to toxicity).
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Immortelle

Repotting Repot every 2-3 years in spring, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in spring and once in early summer.
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate sunlight and water regularly.

Madagascar Jasmine

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage new growth. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter. Provide bright light year-round. Increase humidity during dry periods.

🌞 Light Requirements

Immortelle

Full sun

Low light tolerant: ❌ No

Madagascar Jasmine

Bright, indirect light with several hours of direct morning sun or filtered afternoon sun. Insufficient light will inhibit flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Immortelle

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of overwatering include yellowing leaves and a soggy soil surface. Underwatering is indicated by wilting and dry, crispy leaves.

Madagascar Jasmine

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Reduce watering during the winter months. Overwatering can lead to yellowing leaves and root rot, while underwatering can cause leaf drop and stunted growth.

🌡️ Temperature & Humidity

Immortelle

Temperature: 15-25°C

Humidity: 30-50%

Madagascar Jasmine

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Immortelle

Immortelle

Helichrysum arenarium
Care: Expert Time: 10 minutes weekly Beginner: No

Experienced gardeners looking for a drought-tolerant, low-maintenance plant for sunny outdoor locations.

✅ Choose This Plant If...

  • You want a plant with flowers that dry beautifully and retain their color.
  • You have a sunny, well-drained garden or rock garden.
  • You are looking for a drought-tolerant plant.
  • You appreciate aromatic foliage.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You do not have a location with full sun.
  • You tend to overwater plants.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden, rock garden, or well-lit patio. Not ideal for indoors.
🎨 Style: Cottage, Mediterranean, Rustic
🏠 Apartment Friendly: No
⚠️ According to available data, Helichrysum arenarium is not considered toxic to humans or pets. However, ingestion of any plant material may cause mild gastrointestinal upset in some individuals.
Madagascar Jasmine

Madagascar Jasmine

Stephanotis floribunda
Care: Moderate Time: 30 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific conditions needed for this plant to thrive and flower indoors.

✅ Choose This Plant If...

  • You want a plant with incredibly fragrant flowers
  • You are experienced with plant care and can provide bright light and humidity
  • You want a climbing plant that can be trained on a trellis
  • You appreciate the beauty of glossy, dark green foliage
  • You are looking for a plant that can be used in floral arrangements (with caution due to toxicity).

❌ Skip This Plant If...

  • You have pets or small children due to its toxicity
  • You struggle to provide bright light and humidity
  • You are a beginner plant owner
  • You want a low-maintenance plant
  • You are sensitive to strong fragrances.
📍 Ideal Location: Bright, sunny room with high humidity, such as a sunroom or near a south-facing window.
🎨 Style: Traditional, Romantic, Tropical
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are considered toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. The sap can also cause skin irritation.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Immortelle is rated Expert care level, while Madagascar Jasmine is Moderate.

💡 Pro Tips For Comparing These Plants

Immortelle Care Tips

Helichrysum arenarium is primarily an outdoor plant that requires full sun and well-drained soil. Growing it indoors can be challenging due to its high light requirements. It needs very bright light and careful watering to prevent root rot. Regular fertilization is also necessary to promote healthy growth and flowering.

  • Ensure excellent drainage to prevent root rot.
  • Provide at least 6-8 hours of direct sunlight daily.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize sparingly, as excessive fertilization can reduce flowering.
  • Prune after flowering to maintain shape and encourage bushier growth.
❄️ Winter: In winter, reduce watering significantly and protect the plant from frost if grown in containers. In colder climates, it may die back to the ground and re-emerge in spring.
☀️ Summer: In summer, ensure the plant receives adequate sunlight and water regularly, especially during hot and dry periods. Deadhead spent flowers to encourage further blooming.

Madagascar Jasmine Care Tips

Madagascar Jasmine requires bright light, consistent watering, and moderate humidity to thrive indoors. It can be challenging to get it to flower indoors, and it is toxic to pets. Regular pruning is necessary to maintain its shape and encourage flowering.

  • Provide a trellis or support for the vine to climb
  • Mist the plant regularly to increase humidity
  • Avoid moving the plant once it has started to bud, as this can cause the buds to drop
  • Fertilize regularly during the growing season to encourage flowering
  • Prune after flowering to maintain shape and encourage new growth.
❄️ Winter: Reduce watering frequency. Maintain bright light. Protect from drafts and cold temperatures. Do not fertilize during the winter months.
☀️ Summer: Water more frequently during hot weather. Provide shade during the hottest part of the day. Fertilize regularly to support growth and flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Immortelle

Common Issues: Root rot, Powdery mildew, Aphids, Lack of flowering
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with a fungicide. Aphids: Spray with insecticidal soap. Lack of flowering: Provide sufficient sunlight and fertilize appropriately.

Madagascar Jasmine

Common Issues: Aphids, mealybugs, spider mites, root rot
Solutions: For aphids, mealybugs, and spider mites, use insecticidal soap or neem oil. For root rot, improve drainage and reduce watering frequency.

❓ Frequently Asked Questions — Comparing These Plants

Immortelle

What are the light requirements for Immortelle?

Immortelle requires ample sunlight to produce abundant and vibrant blooms. Aim for at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching. If grown indoors, place Immortelle near a south-facing window where it can receive maximum light exposure. Insufficient light can lead to leggy growth, reduced flowering, and faded colors. Rotate the plant regularly to ensure even light exposure on all sides. During winter months, when sunlight is limited, consider supplementing with grow lights to maintain optimal light levels.

How do I care for Immortelle?

Immortelle thrives with proper care. Provide full sun to partial shade, ensuring at least six hours of sunlight daily for optimal blooming. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Use well-draining soil to prevent root rot. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength. Deadhead spent flowers to encourage continuous blooming. Maintain moderate humidity levels. Protect from frost in colder climates. Repot in spring if the plant becomes root-bound. Prune lightly to maintain shape and encourage bushier growth. Monitor for pests and diseases, addressing promptly with appropriate treatments.

How do I propagate Immortelle?

Immortelle can be propagated through stem cuttings, division, and keiki (though keiki is less common). For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in well-draining soil. Keep the soil moist and provide bright, indirect light. For division, carefully separate the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant each section in its own pot. Rooting typically takes several weeks.

Madagascar Jasmine

What are the light requirements for Madagascar Jasmine?

Madagascar Jasmine thrives in bright, indirect light. Direct sunlight can scorch its leaves, while insufficient light will hinder blooming. An east-facing window is ideal, providing gentle morning sun. A west-facing window can also work, but shield the plant from intense afternoon sun with a sheer curtain. South-facing windows may require more shading. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, supplement with a grow light, placing it 12-18 inches above the plant. Yellowing leaves can indicate too much sun, while lack of blooms often signals insufficient light.

How do I care for Madagascar Jasmine?

Madagascar Jasmine requires bright, indirect light to thrive and bloom profusely. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Maintain humidity levels around 50-60%, especially during the blooming season. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune lightly after blooming to maintain shape and encourage new growth. Repot every 2-3 years in spring, using a well-draining potting mix. Provide support, such as a trellis or hoop, for the vine to climb. Avoid sudden temperature changes or drafts. Watch for common pests like mealybugs and spider mites, and treat promptly.

How do I propagate Madagascar Jasmine?

Madagascar Jasmine can be propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. For layering, bend a stem down to the soil and bury a portion of it, leaving the tip exposed. Once roots have formed, sever the new plant from the parent plant. Division is not typically used for this plant. Keiki propagation is not applicable as this plant does not produce keikis. Rooting typically takes several weeks.

Last updated: April 27, 2026 — Plant care data reviewed and verified by our editorial team.