Funkia vs Immortelle Plant Comparison

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

Funkia

Funkia

Hosta spp.

VS
Immortelle

Immortelle

Helichrysum arenarium

Funkia

Funkia

Hosta spp.

Hostas are herbaceous perennials prized for their attractive foliage. They exhibit a wide range of leaf colors, sizes, shapes, and textures. Typically grown outdoors in shade gardens, they form dense clumps of leaves. Flowers, usually lavender or white, appear on tall stalks in summer. While technically possible to grow indoors, they require specific conditions to thrive and are generally better suited for outdoor environments. People grow them for their ornamental leaves and ability to brighten shady areas.

Asparagaceae East Asia (China, Japan, Korea, Russia)
✨ Features: Attractive foliage, shade tolerance
📖 Read Complete Funkia Guide
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

Quick Plant Comparison

Feature Funkia Immortelle
Light Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day. Full sun
Watering Every 3-7 days, depending on weather and soil drainage Every 1-2 weeks, depending on environmental conditions
Humidity 40-60% 30-50%
Temperature 16-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-1 meter (outdoors). Significantly smaller indoors, if it survives. 0.1-0.3 meters (indoors, likely smaller)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, humus-rich soil Well-draining sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (if attempting indoor growing) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Funkia

Scientific Name Hosta spp.
Family Asparagaceae
Native To East Asia (China, Japan, Korea, Russia)
Also Known As Hosta, Plantain Lily, Giboshi
Leaves Hosta leaves vary widely in size, shape, color, and texture. They can be heart-shaped, oval, or lance-shaped, and range in color from deep green to chartreuse, blue-green, and variegated patterns with white or yellow margins. The texture can be smooth, puckered, or ribbed.
Flowers Hostas produce flowers on tall stalks in summer. The flowers are typically lavender or white, bell-shaped, and fragrant. Flowering is rare indoors.

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.

📏 Size & Growth — Plant Comparison

Funkia

Height 0.3-1 meter (outdoors). Significantly smaller indoors, if it survives.
Spread 0.3-1.5 meters (outdoors). Spreads via rhizomes.
Growth Rate Moderate
Growth Pattern Hostas grow in a clumping habit, forming dense mounds of foliage. They spread via rhizomes, gradually expanding the clump over time. The foliage emerges from the base of the plant each spring.

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.

🌱 Propagation — Comparing Plant Growth

Funkia

Methods: Division, Seed

Difficulty: Easy

Tips: Divide clumps in early spring or fall. Ensure each division has healthy roots and leaves. Plant divisions in moist, well-draining soil.

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.

✨ Benefits & Features — Comparing Plant Value

Funkia

Hostas are known for their diverse foliage colors, shapes, and textures. They are primarily shade-loving plants, making them ideal for gardens with limited sunlight. Their ability to thrive in shade is a unique characteristic.

  • ✓ Visually appealing foliage.
  • ✓ Adds texture and color to shady areas (outdoors).
  • ✓ Can be a conversation starter due to the challenge of indoor cultivation.
  • ✓ May provide a sense of accomplishment if successfully grown indoors.
  • ✓ Offers a connection to nature indoors, albeit a difficult one.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Funkia

Repotting Not applicable for indoor growing, as it's not recommended. If attempted, repot annually in spring.
Pruning Remove dead or damaged leaves as needed. Cut back flower stalks after blooming.
Fertilizing Slow-release fertilizer in spring or liquid fertilizer diluted to half strength every 4-6 weeks during the growing season
Seasonal Care In winter, hostas go dormant. Reduce watering and allow the foliage to die back. In spring, new growth will emerge. Summer requires consistent moisture and shade.

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.

🌞 Light Requirements

Funkia

Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

Immortelle

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Funkia

Keep the soil consistently moist, but not waterlogged. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot. Underwatering will cause leaves to wilt and brown.

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.

🌡️ Temperature & Humidity

Funkia

Temperature: 16-27°C

Humidity: 40-60%

Immortelle

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Funkia

Funkia

Hosta spp.
Care: Expert Time: 30 minutes weekly (if attempting indoor growing) Beginner: No

Experienced gardeners who want to try growing a shade-loving outdoor plant indoors with significant effort.

✅ Choose This Plant If...

  • You are an experienced gardener looking for a challenge.
  • You have a very shady indoor space with consistent cool temperatures.
  • You are willing to provide supplemental lighting and humidity.
  • You are prepared to deal with potential pest and disease issues.
  • You appreciate the unique foliage textures and colors.

❌ Skip This Plant If...

  • You are a beginner gardener.
  • You have limited indoor space.
  • You cannot provide consistent shade and humidity.
📍 Ideal Location: Not recommended for indoor growing. If attempted, a cool, shady room with supplemental lighting and high humidity.
🎨 Style: Traditional, Cottagecore (primarily outdoor)
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are toxic.
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.

🎯 Quick Verdict

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

⚡ 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

Funkia Care Tips

Hostas are primarily outdoor plants. Growing them indoors is challenging due to their high light and humidity needs. They require a cool, shady environment and are susceptible to pests and diseases indoors. Success is unlikely without significant effort.

  • Provide consistent moisture but avoid overwatering.
  • Ensure good air circulation to prevent fungal diseases.
  • Supplement with artificial light if natural light is insufficient.
  • Monitor for pests and diseases regularly.
  • Consider using a humidifier to increase humidity levels.
❄️ Winter: Hostas go dormant in winter. Reduce watering and allow the foliage to die back. Provide a cool, dark location if attempting indoor overwintering.
☀️ Summer: Provide consistent moisture and shade during the summer months. Monitor for pests and diseases. Fertilize regularly to promote healthy growth.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Funkia

Common Issues: Slugs and snails, Hosta Virus X (HVX), Root rot, Sun scorch
Solutions: Use slug and snail bait or handpick them off the plants. Discard infected plants to prevent HVX spread. Ensure proper drainage to prevent root rot. Provide shade to prevent sun scorch.

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.

❓ Frequently Asked Questions — Comparing These Plants

Funkia

What are the light requirements for Funkia?

Funkia prefers partial to full shade, as direct sunlight can scorch its delicate leaves. Ideally, provide morning sun and afternoon shade. If growing indoors, place your Funkia near a north-facing window or in a location that receives filtered sunlight. Too little light can result in leggy growth and reduced flowering.

How do I care for Funkia?

Funkia thrives in partial to full shade, with morning sun being beneficial. Water deeply when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix rich in organic matter. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength.

How do I propagate Funkia?

Funkia can be propagated by division, stem cuttings, or keiki (small plantlets that grow on the flower stalks).

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.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.