Heath Aster vs Helichrysum Plant Comparison

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

Heath Aster

Heath Aster

Symphyotrichum ericoides

VS
Helichrysum

Helichrysum

Helichrysum petiolare

Heath Aster

Heath Aster

Symphyotrichum ericoides

Heath Aster (Symphyotrichum ericoides) is a perennial herbaceous plant native to North America. It typically grows to a height of 1 to 4 feet, featuring numerous small, daisy-like flowers with white (or sometimes pink or lavender) petals and yellow centers. Its leaves are small and linear, resembling heath foliage, hence the name. It's primarily an outdoor plant, valued for its late-season blooms that provide nectar for pollinators when other flowers are scarce. People grow it in gardens and naturalized areas for its aesthetic appeal and ecological benefits.

Asteraceae North America
✨ Features: Late-season blooms, attracts pollinators, drought-tolerant once established.
📖 Read Complete Heath Aster Guide
Helichrysum

Helichrysum

Helichrysum petiolare

Helichrysum petiolare, commonly known as the Licorice Plant, is a tender perennial often grown as an annual. It features soft, rounded, silvery-gray leaves that are slightly fuzzy to the touch. The plant has a trailing or mounding growth habit, making it suitable for hanging baskets, containers, and as a ground cover in warmer climates. While it can be grown indoors, it thrives outdoors in full sun. People grow it for its attractive foliage, which adds a textural element to gardens and containers. It is not typically grown for its flowers, which are small and insignificant.

Asteraceae South Africa
✨ Features: Attractive silvery foliage, drought tolerant once established.
📖 Read Complete Helichrysum Guide

Quick Plant Comparison

Feature Heath Aster Helichrysum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering. Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.
Watering Every 7-10 days, depending on weather and soil drainage. Every 1-2 weeks indoors, depending on light and temperature. More frequently outdoors, especially during hot weather.
Humidity 30-50% 40-60%
Temperature 10-27°C 18-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height N/A (Primarily an outdoor plant, indoor growth severely limited) 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-drained soil, sandy or loamy, with a slightly acidic to neutral pH. Well-draining potting mix. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 10 minutes weekly (primarily weeding and deadheading). 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Heath Aster

Scientific Name Symphyotrichum ericoides
Family Asteraceae
Native To North America
Also Known As Heath Aster, White Heath Aster, Frost Aster, Many-flowered Aster
Leaves Small, linear, and needle-like leaves, typically 1-2 cm long. They are arranged alternately along the stems and have a rough texture.
Flowers Does not typically flower indoors. Outdoors, it produces numerous small, daisy-like flowers with white (or sometimes pink or lavender) petals and yellow centers in late summer and fall.

Helichrysum

Scientific Name Helichrysum petiolare
Family Asteraceae
Native To South Africa
Also Known As Licorice Plant, Silver Bush, Curry Plant (sometimes confused with Helichrysum italicum)
Leaves Rounded, soft, silvery-gray leaves that are slightly fuzzy to the touch. The leaves are typically 2-5 cm in diameter and have a velvety texture.
Flowers Rarely flowers indoors. Outdoors, it produces small, insignificant yellowish-white flowers, but it is primarily grown for its foliage.

📏 Size & Growth — Plant Comparison

Heath Aster

Height N/A (Primarily an outdoor plant, indoor growth severely limited)
Spread N/A (Primarily an outdoor plant, indoor growth severely limited)
Growth Rate Moderate
Growth Pattern Bushy, upright perennial with numerous branching stems. It can spread moderately through rhizomes but is not considered highly aggressive.

Helichrysum

Height 0.3-0.6 meters (indoors); 0.6-1 meter (outdoors)
Spread 0.6-1.2 meters
Growth Rate Moderate
Growth Pattern Trailing or mounding growth habit. Stems can become quite long and cascade over the edges of containers or spread along the ground.

🌱 Propagation — Comparing Plant Growth

Heath Aster

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: Divide clumps in spring or fall. Take stem cuttings in late spring or early summer. Sow seeds in spring or fall.

Helichrysum

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Remove the lower leaves and place the cuttings in water or moist potting mix. Keep the cuttings in a warm, bright location until roots develop.

✨ Benefits & Features — Comparing Plant Value

Heath Aster

Heath Aster is unique for its late-season bloom time, providing a valuable nectar source for pollinators when other flowers are scarce. Its drought tolerance and low maintenance requirements also make it a desirable plant for many gardeners.

  • ✓ Provides late-season nectar for pollinators
  • ✓ Adds fall color to the garden
  • ✓ Drought-tolerant once established
  • ✓ Low maintenance
  • ✓ Non-toxic to pets
  • 🐾 Pet Safe

Helichrysum

The silvery-gray foliage is its most distinctive feature, providing a unique textural element in gardens and containers. It is also relatively drought-tolerant once established, making it a good choice for dry climates. It is often used as a filler or spiller plant in container arrangements.

  • ✓ Adds visual interest with its silvery foliage.
  • ✓ Drought-tolerant once established, reducing water needs.
  • ✓ Attracts pollinators when grown outdoors.
  • ✓ Can be used as a ground cover in suitable climates.
  • ✓ Easy to propagate from cuttings.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Heath Aster

Repotting N/A (Not suitable for indoor containers)
Pruning Prune back stems after flowering to encourage bushier growth.
Fertilizing Balanced fertilizer (10-10-10) in spring and early summer, diluted to half strength. Avoid over-fertilizing.
Seasonal Care In fall, cut back stems after flowering. Provide winter protection in colder climates. In spring, divide clumps if needed.

Helichrysum

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage bushier growth. Pinch back stems to prevent legginess.
Fertilizing Balanced liquid fertilizer diluted to half strength. Apply every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide as much light as possible. In summer, water more frequently and protect from intense afternoon sun in very hot climates.

🌞 Light Requirements

Heath Aster

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

Helichrysum

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.

Low light tolerant: ❌ No

💧 Watering Needs

Heath Aster

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

Helichrysum

Water thoroughly when the top inch of soil feels 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 mushy stem. Underwatering results in wilting and dry, crispy leaves.

🌡️ Temperature & Humidity

Heath Aster

Temperature: 10-27°C

Humidity: 30-50%

Helichrysum

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Heath Aster

Heath Aster

Symphyotrichum ericoides
Care: Expert Time: 10 minutes weekly (primarily weeding and deadheading). Beginner: No

Gardeners looking for late-season blooms to attract pollinators in outdoor gardens.

✅ Choose This Plant If...

  • You want a late-blooming plant for fall color in your garden.
  • You want to attract pollinators like bees and butterflies to your yard.
  • You need a drought-tolerant plant once established.
  • You want a low-maintenance perennial for a sunny location.
  • You want a plant that is not toxic to pets.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You do not have a sunny outdoor location.
  • You live in a very shady area.
📍 Ideal Location: Outdoor garden or naturalized area with full sun.
🎨 Style: Naturalistic, Cottage garden, Wildflower meadow
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Symphyotrichum ericoides (Aster) is not listed as toxic to dogs, cats, or horses.
Helichrysum

Helichrysum

Helichrysum petiolare
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who can provide ample sunlight and well-draining conditions.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for your garden.
  • You need a silvery-foliage accent plant.
  • You have a sunny location where other plants struggle.
  • You enjoy propagating plants from cuttings.
  • You want a plant that attracts pollinators outdoors.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide very bright, direct light indoors.
  • You tend to overwater your plants.
📍 Ideal Location: Sunny patio or balcony; south-facing window indoors (though challenging).
🎨 Style: Mediterranean, Cottage, Coastal
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Helichrysum is toxic to dogs, cats, and horses. Symptoms include dermatitis and photosensitivity.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Heath Aster ✓
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

Heath Aster Care Tips

Heath Aster is primarily an outdoor plant and is very challenging to grow indoors due to its high light requirements and need for seasonal dormancy. It requires full sun, well-drained soil, and moderate watering. Indoor cultivation is not recommended.

  • Plant in well-drained soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Cut back stems after flowering to encourage bushier growth.
  • Divide clumps every few years to maintain vigor.
❄️ Winter: Cut back stems after flowering. Provide a layer of mulch for winter protection in colder climates.
☀️ Summer: Ensure adequate watering during dry periods. Deadhead spent flowers to encourage continued blooming.

Helichrysum Care Tips

Helichrysum petiolare is primarily an outdoor plant and requires very bright light to thrive indoors. It needs well-draining soil and careful watering to prevent root rot. Indoor cultivation can be challenging due to the high light requirements and susceptibility to pests.

  • Provide at least 6 hours of direct sunlight daily for optimal growth.
  • Allow the soil to dry out slightly between waterings to prevent root rot.
  • Prune regularly to maintain shape and prevent legginess.
  • Fertilize sparingly during the growing season.
  • Monitor for pests such as spider mites and aphids and treat promptly.
❄️ Winter: Reduce watering significantly. Provide as much light as possible. Protect from frost if grown outdoors.
☀️ Summer: Water more frequently during hot weather. Provide some shade during the hottest part of the day in very hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Heath Aster

Common Issues: Powdery mildew, Aster yellows, Root rot
Solutions: Powdery mildew: Improve air circulation and apply fungicide. Aster yellows: Remove infected plants. Root rot: Ensure well-draining soil and avoid overwatering.

Helichrysum

Common Issues: Root rot, spider mites, aphids, leggy growth
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Spider mites: Treat with insecticidal soap or neem oil. Aphids: Wash off with a strong stream of water or treat with insecticidal soap. Leggy growth: Provide more light and prune regularly.

❓ Frequently Asked Questions — Comparing These Plants

Heath Aster

What are the light requirements for Heath Aster?

Heath Aster requires at least six hours of direct sunlight per day to thrive and produce abundant blooms. A location with full sun exposure is ideal. If grown in partial shade, the plant may become leggy and produce fewer flowers. When grown indoors, place Heath Aster near a sunny window, preferably one facing south or west. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is insufficient, consider supplementing with artificial grow lights to provide the necessary intensity and duration for optimal growth and flowering. Insufficient light can lead to weak stems and reduced flower production.

How do I care for Heath Aster?

Heath Aster thrives in full sun and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage continued blooming throughout the late summer and fall. Prune back the plant in late winter or early spring to maintain its shape and promote bushier growth. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests and diseases and treat accordingly. Heath Aster is generally low-maintenance and relatively easy to care for, making it a rewarding addition to any garden. Ensure good air circulation to minimize fungal issues.

How do I propagate Heath Aster?

Heath Aster can be easily propagated through division, stem cuttings, or seed.

Helichrysum

What are the light requirements for Helichrysum?

Helichrysum requires at least 6-8 hours of direct sunlight per day to thrive. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place Helichrysum near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination.

How do I care for Helichrysum?

Helichrysum thrives in well-draining soil and requires full sun exposure for optimal growth and blooming. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Avoid overwatering, which can lead to root rot. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer to promote healthy growth and abundant blooms.

How do I propagate Helichrysum?

Helichrysum can be easily propagated through stem cuttings. Take 4-6 inch cuttings from healthy stems, removing the lower leaves. Dip the cut end in rooting hormone and plant in well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop within 2-4 weeks.

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.