Immortelle vs Pride of Madeira 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
Pride of Madeira

Pride of Madeira

Echium candicans

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
Pride of Madeira

Pride of Madeira

Echium candicans

Pride of Madeira is a large, evergreen shrub native to the island of Madeira. It is prized for its spectacular, dense, cone-shaped flower spikes that can reach up to 50 cm (20 inches) in length. The flowers are typically a vibrant blue-purple, though pink and white varieties exist. The plant has a bushy, rounded habit and can grow quite large. It is primarily an outdoor plant, grown for its impressive floral display in gardens and landscapes. While it can be grown in containers, it requires significant space and specific conditions to thrive.

Boraginaceae Madeira Island, Portugal
✨ Features: Showy flower spikes, attracts pollinators
📖 Read Complete Pride of Madeira Guide

Quick Plant Comparison

Feature Immortelle Pride of Madeira
Light Full sun Full sun (at least 6 hours of direct sunlight per day)
Watering Every 1-2 weeks, depending on environmental conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 15-25°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.1-0.3 meters (indoors, likely smaller) Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining sandy or loamy soil Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly (including watering, fertilizing, and pruning)

🔬 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.

Pride of Madeira

Scientific Name Echium candicans
Family Boraginaceae
Native To Madeira Island, Portugal
Also Known As Pride of Madeira, Echium fastuosum
Leaves The leaves are lance-shaped, grey-green in color, and covered in fine, silvery-white hairs, giving them a soft, velvety texture. They are typically 10-20 cm (4-8 inches) long.
Flowers It rarely flowers indoors. Outdoors, it produces dense, cone-shaped flower spikes that are typically a vibrant blue-purple, though pink and white varieties exist. The flowers are small and tubular, packed tightly together on the spikes.

📏 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.

Pride of Madeira

Height Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Spread Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Proportionately smaller.
Growth Rate Moderate
Growth Pattern It grows as a large, rounded shrub with a bushy habit. The flower spikes emerge from the center of the plant and can reach impressive heights.

🌱 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.

Pride of Madeira

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow in spring in well-draining soil. For stem cuttings, take semi-hardwood cuttings in late summer and root in a well-draining medium. Use rooting hormone to improve success.

✨ 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

Pride of Madeira

Its large, cone-shaped flower spikes are its most distinctive feature. The silvery-white hairs on the leaves add to its visual appeal. It's also endemic to Madeira, making it a unique plant.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides a stunning visual display with its vibrant flowers.
  • ✓ Adds a touch of exotic beauty to the garden.
  • ✓ Relatively drought-tolerant once established.
  • ✓ Provides habitat for beneficial insects.
  • ⚠️ 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.

Pride of Madeira

Repotting Repot every 1-2 years if grown in a container, or when the plant becomes root-bound. Choose a pot slightly larger than the current one.
Pruning Prune after flowering to maintain shape and remove spent flower spikes. Light pruning can be done throughout the year to remove dead or damaged growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and sun exposure. Spring and summer are the active growing and flowering seasons.

🌞 Light Requirements

Immortelle

Full sun

Low light tolerant: ❌ No

Pride of Madeira

Full sun (at least 6 hours of direct sunlight per day)

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.

Pride of Madeira

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. During the growing season (spring and summer), water more frequently. Reduce watering in the fall and winter. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Immortelle

Temperature: 15-25°C

Humidity: 30-50%

Pride of Madeira

Temperature: 15-25°C

Humidity: 30-50%

🤔 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.
Pride of Madeira

Pride of Madeira

Echium candicans
Care: Expert Time: 30 minutes weekly (including watering, fertilizing, and pruning) Beginner: No

Experienced gardeners in mild climates who want a spectacular flowering shrub in their garden.

✅ Choose This Plant If...

  • You live in a mild climate with plenty of sunshine.
  • You want to attract pollinators to your garden.
  • You have a large garden space to accommodate its size.
  • You appreciate dramatic floral displays.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You have limited space for a large shrub.
  • You have pets, especially horses, due to its toxicity.
  • You cannot provide full sun.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor garden or patio with full sun exposure. Not ideal for indoors.
🎨 Style: Mediterranean, Coastal, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Echium candicans as toxic to horses. Symptoms include dermatitis and photosensitization. The plant contains pyrrolizidine alkaloids, which can cause liver damage. While specific data for dogs and cats is limited, caution is advised due to the presence of these alkaloids.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Immortelle needs full sun, while Pride of Madeira prefers full sun (at least 6 hours of direct sunlight per day).

💡 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.

Pride of Madeira Care Tips

Pride of Madeira is primarily an outdoor plant and requires full sun and well-draining soil. Growing it indoors is challenging due to its need for intense light and space. It is best suited for experienced gardeners in mild climates. Toxicity to horses is a concern.

  • Provide excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize regularly during the growing season to promote abundant flowering.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost if temperatures drop below freezing. Consider moving potted plants to a sheltered location.
☀️ Summer: Ensure adequate watering during hot, dry periods. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support 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.

Pride of Madeira

Common Issues: Root rot, Aphids, Powdery mildew, Lack of flowering (indoors)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Treat with insecticidal soap or neem oil. Powdery mildew: Improve air circulation and treat with fungicide. Lack of flowering: Provide adequate sunlight and proper fertilization.

❓ 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.

Pride of Madeira

What are the light requirements for Pride of Madeira?

Pride of Madeira thrives in full sun, needing at least 6-8 hours of direct sunlight per day to flower prolifically. Inadequate sunlight can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place it near a south-facing window where it can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure optimal growth and flowering. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can also lead to a weaker plant that is more susceptible to pests and diseases.

How do I care for Pride of Madeira?

Pride of Madeira requires full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize sparingly with a balanced fertilizer during the growing season (spring and summer). Prune spent flower spikes to encourage bushier growth and potential reblooming. Provide protection from frost in colder climates, either by moving potted plants indoors or covering them with frost cloth. Avoid overwatering, especially during the winter months, as this can lead to root rot. Ensure good air circulation to prevent fungal diseases. Repot young plants annually to accommodate their growth.

How do I propagate Pride of Madeira?

Pride of Madeira can be propagated by stem cuttings or seeds. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining potting mix and keep them moist. Roots should develop in 4-6 weeks. Seeds can be sown in the spring. Keep the soil moist and provide bright, indirect light. Germination can take several weeks. Division is difficult due to the plant’s structure. Keiki production is not typical for this plant.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.