Mountain Avens vs New England Aster Plant Comparison

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

Mountain Avens

Mountain Avens

Dryas octopetala

VS
New England Aster

New England Aster

Symphyotrichum novae-angliae

Mountain Avens

Mountain Avens

Dryas octopetala

Dryas octopetala, commonly known as Mountain Avens, is a low-growing, mat-forming evergreen subshrub. It is characterized by its woody stems and creeping rhizomes. The plant features dark green, leathery, oval-shaped leaves with crenate margins. It produces solitary, showy white flowers with eight petals (hence the name 'octopetala') in late spring to summer. Mountain Avens is primarily an outdoor plant, thriving in rocky, well-drained alpine habitats. It is grown for its attractive foliage and flowers, as well as its ability to stabilize soil in harsh environments. Attempting to grow it indoors is challenging due to its specific environmental needs.

Rosaceae Arctic and alpine regions of Europe, Asia, and North America
✨ Features: Drought tolerant, Attracts pollinators, Soil stabilizer
📖 Read Complete Mountain Avens Guide
New England Aster

New England Aster

Symphyotrichum novae-angliae

The New England Aster is a robust, clump-forming perennial wildflower, typically reaching heights of 3-7 feet. It's characterized by its lance-shaped, clasping leaves and vibrant daisy-like flowers that bloom in late summer and fall. The flowers are typically purple or violet, with a yellow center disk. This plant is primarily an outdoor species, valued for its late-season color and its ability to attract pollinators like butterflies and bees. It's rarely grown indoors due to its high light requirements and size.

Asteraceae North America
✨ Features: Attracts butterflies and bees, provides late-season color, deer resistant.
📖 Read Complete New England Aster Guide

Quick Plant Comparison

Feature Mountain Avens New England Aster
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and flowering. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 7-10 days, depending on weather and soil drainage. Every 7-10 days outdoors, depending on rainfall and temperature. Container plants may need more frequent watering.
Humidity 30-50% 30-50%
Temperature 10-20°C 10-27°C
Care Level Expert Expert
Growth Rate Slow Fast
Max Height 5-15 cm (indoors unlikely to thrive) Rarely grown indoors, but if attempted, expect 1-2 feet in a large container.
Pet Safety ✅ Safe ✅ Safe
Soil Well-drained, rocky or sandy soil with a slightly alkaline pH (7.0-7.5). Well-drained soil, loamy or sandy soil is ideal. Tolerates a range of soil types.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (primarily weeding and watering). 15 minutes weekly outdoors during growing season for watering and deadheading.

🔬 Botanical Information — Comparing These Plants

Mountain Avens

Scientific Name Dryas octopetala
Family Rosaceae
Native To Arctic and alpine regions of Europe, Asia, and North America
Also Known As Mountain Avens, White Dryad, Eightpetal Mountain-avens
Leaves Dark green, leathery, oval-shaped leaves with crenate (scalloped) margins. Typically 1-4 cm long.
Flowers Rarely flowers indoors. Outdoors, it produces solitary, showy white flowers with eight petals in late spring to summer.

New England Aster

Scientific Name Symphyotrichum novae-angliae
Family Asteraceae
Native To North America
Also Known As New England Aster, Michaelmas Daisy
Leaves Lance-shaped, clasping leaves that are typically 3-6 inches long and arranged alternately along the stems. The leaves are slightly rough to the touch and have a slightly hairy texture.
Flowers Rarely flowers indoors. Outdoors, it produces daisy-like flowers with purple or violet petals and a yellow central disk. Flowers are typically 1-2 inches in diameter and bloom in clusters at the ends of the stems.

📏 Size & Growth — Plant Comparison

Mountain Avens

Height 5-15 cm (indoors unlikely to thrive)
Spread 30-60 cm (spreads via rhizomes)
Growth Rate Slow
Growth Pattern Low-growing, mat-forming evergreen subshrub with creeping rhizomes.

New England Aster

Height Rarely grown indoors, but if attempted, expect 1-2 feet in a large container.
Spread Spreads via rhizomes; can reach 2-4 feet wide outdoors. Indoors, expect a smaller spread but still requires a large container.
Growth Rate Fast
Growth Pattern Upright, clump-forming perennial with multiple stems arising from a central crown. It spreads via rhizomes, forming colonies over time.

🌱 Propagation — Comparing Plant Growth

Mountain Avens

Methods: Seed, Division, Stem Cuttings

Difficulty: Moderate

Tips: For seeds, cold stratification is required for several weeks before sowing. Division is best done in early spring or fall. Stem cuttings should be taken in late spring and rooted in well-draining soil.

New England 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 fall or early spring.

✨ Benefits & Features — Comparing Plant Value

Mountain Avens

Its eight-petaled flowers are distinctive. It's also an extremely hardy plant adapted to harsh alpine and arctic environments.

  • ✓ Attracts pollinators
  • ✓ Provides ground cover
  • ✓ Drought tolerant
  • ✓ Stabilizes soil
  • ✓ Aesthetically pleasing in rock gardens
  • 🐾 Pet Safe

New England Aster

The New England Aster is known for its vibrant purple or violet flowers that bloom in late summer and fall, providing a crucial food source for pollinators when other flowers are fading. Its ability to thrive in a variety of soil conditions and its deer resistance make it a valuable addition to many gardens.

  • ✓ Attracts pollinators, supporting local ecosystems.
  • ✓ Provides late-season color, extending the garden's beauty.
  • ✓ Deer resistance reduces garden damage.
  • ✓ Relatively low maintenance once established.
  • ✓ Adds a natural, wild aesthetic to the garden.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Mountain Avens

Repotting Not applicable for indoor growing, as it's not recommended. If attempted, repot every 2-3 years in spring.
Pruning Prune lightly after flowering to maintain shape and remove dead or damaged foliage.
Fertilizing Apply a balanced, slow-release fertilizer in early spring at half strength.
Seasonal Care In winter, provide protection from excessive moisture. In summer, ensure adequate watering during dry spells. Dormancy is naturally induced by cold temperatures.

New England Aster

Repotting Not typically grown indoors, but if in a container, repot every 1-2 years, or as needed if root-bound, especially given its rhizomatous nature.
Pruning Pinch back stems in late spring to promote bushier growth and more flowers. Deadhead spent flowers to encourage continued blooming.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth emerges. Avoid over-fertilizing, which can lead to leggy growth.
Seasonal Care In fall, cut back stems after flowering. In winter, mulch around the base of the plant for added protection. In spring, divide clumps if needed.

🌞 Light Requirements

Mountain Avens

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

Low light tolerant: ❌ No

New England Aster

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

💧 Watering Needs

Mountain Avens

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as it can lead to root rot. Ensure excellent drainage.

New England Aster

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. Signs of underwatering include wilting leaves, while overwatering can cause yellowing and mushy stems.

🌡️ Temperature & Humidity

Mountain Avens

Temperature: 10-20°C

Humidity: 30-50%

New England Aster

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Mountain Avens

Mountain Avens

Dryas octopetala
Care: Expert Time: 15 minutes weekly (primarily weeding and watering). Beginner: No

Experienced gardeners who want to create an alpine garden outdoors.

✅ Choose This Plant If...

  • You have an outdoor rock garden or alpine garden
  • You live in a cool climate with full sun
  • You want a drought-tolerant ground cover
  • You want to attract pollinators to your garden
  • You appreciate unique and hardy plants

❌ Skip This Plant If...

  • You live in a hot, humid climate
  • You want an easy-to-grow indoor plant
  • You don't have a sunny outdoor location
📍 Ideal Location: Outdoor rock garden or alpine garden with full sun exposure.
🎨 Style: Naturalistic, Alpine, Cottage
🏠 Apartment Friendly: No
⚠️ According to available sources, Dryas octopetala is not known to be toxic to humans or pets. However, it's always best to prevent pets from consuming any plant material.
New England Aster

New England Aster

Symphyotrichum novae-angliae
Care: Expert Time: 15 minutes weekly outdoors during growing season for watering and deadheading. Beginner: No

Gardeners looking for late-season color and pollinator-attracting plants in their outdoor gardens.

✅ Choose This Plant If...

  • You want to attract butterflies and bees to your garden.
  • You need a plant that provides late-season color.
  • You have a sunny garden spot with well-drained soil.
  • You want a relatively low-maintenance perennial.
  • You want a deer-resistant plant.

❌ Skip This Plant If...

  • You don't have a sunny outdoor location.
  • You are looking for an easy indoor plant.
  • You live in a very humid climate where powdery mildew is prevalent.
📍 Ideal Location: Outdoor garden, sunny border, wildflower meadow
🎨 Style: Cottage, Naturalistic, Wildflower
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, New England Asters are not toxic to dogs, cats, or horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Mountain Avens has slow growth, while New England Aster grows fast.

💡 Pro Tips For Comparing These Plants

Mountain Avens Care Tips

Mountain Avens is primarily an outdoor alpine plant and is extremely challenging to grow indoors. It requires full sun, well-drained alkaline soil, and cool temperatures. Maintaining these conditions indoors is difficult, making it unsuitable for most indoor environments. Expect limited success indoors.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun for optimal flowering.
  • Avoid overwatering, especially in winter.
  • Mulch with gravel or small stones to maintain soil temperature and moisture.
  • Prune lightly after flowering to maintain shape.
❄️ Winter: Provide protection from excessive moisture and snow accumulation. Ensure good air circulation.
☀️ Summer: Ensure adequate watering during dry spells. Provide some afternoon shade in extremely hot climates.

New England Aster Care Tips

New England Asters are primarily outdoor plants and are challenging to grow indoors due to their high light requirements and tendency to spread. They need full sun and well-drained soil. Indoor attempts require supplemental lighting and careful monitoring of watering to prevent root rot. Expect limited flowering indoors.

  • Provide full sun for optimal flowering.
  • Ensure well-drained soil to prevent root rot.
  • Pinch back stems in late spring to promote bushier growth.
  • Divide clumps every few years to prevent overcrowding.
  • Monitor for powdery mildew and treat promptly.
❄️ Winter: Cut back stems to the ground after flowering has finished. Mulch around the base of the plant to protect the roots from freezing temperatures.
☀️ Summer: Water regularly during dry periods. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mountain Avens

Common Issues: Root rot, Leaf spot, Lack of flowering
Solutions: Root rot: Ensure excellent drainage and avoid overwatering. | Leaf spot: Improve air circulation and treat with a fungicide if necessary. | Lack of flowering: Provide sufficient sunlight and ensure proper soil pH.

New England Aster

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

❓ Frequently Asked Questions — Comparing These Plants

Mountain Avens

What are the light requirements for Mountain Avens?

Mountain Avens need plenty of sunlight to thrive and bloom profusely. Ideally, they should receive at least six hours of direct sunlight each day. In hotter climates, some afternoon shade can be beneficial to prevent scorching. If growing in a container, place the plant in a sunny location, such as a south-facing patio or balcony. If growing indoors, supplement natural light with grow lights, especially during the winter months. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the plant’s growth and adjust its light exposure as needed to maintain healthy, compact growth and abundant blooms.

How do I care for Mountain Avens?

Mountain Avens thrive in cool, well-drained conditions. Plant them in a location that receives full sun to partial shade, ideally with at least six hours of sunlight daily. The soil should be gritty and well-draining, mimicking their native alpine habitat. Water regularly during the growing season, allowing the soil to dry slightly between waterings. Avoid overwatering, as this can lead to root rot. Fertilize sparingly, using a balanced, slow-release fertilizer in the spring. Prune lightly after flowering to remove spent blooms and maintain a compact shape. Provide good air circulation to prevent fungal diseases. In colder climates, provide winter protection by mulching around the base of the plant. Monitor for pests such as aphids and spider mites, and treat as needed. Regularly check for and remove any dead or decaying foliage.

How do I propagate Mountain Avens?

Mountain Avens can be propagated by division, stem cuttings, or seed. For division, carefully separate the plant into smaller clumps, ensuring each clump has healthy roots and foliage. Replant the divisions in well-draining soil. For stem cuttings, take 4-6 inch cuttings from new growth. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining rooting medium and keep moist until rooted. For seed propagation, sow seeds in the fall or early spring. Cold stratification may improve germination rates. Keep the soil moist and provide bright, indirect light. ‘Keiki’ method is not applicable to Mountain Avens.

New England Aster

What are the light requirements for New England Aster?

New England Aster demands ample sunlight to produce its profuse blooms. Ideally, provide at least six hours of direct sunlight each day. A south-facing location is generally best, although east- or west-facing exposures can also work if they receive sufficient sunlight. Insufficient light can result in leggy growth, reduced flowering, and increased susceptibility to diseases. If growing indoors, supplement natural light with grow lights, especially during the shorter days of fall and winter. Rotate the plant regularly to ensure even light exposure. If the leaves start to turn pale or yellow, it may indicate that the plant is receiving too little light.

How do I care for New England Aster?

New England Aster thrives in full sun, requiring at least six hours of direct sunlight daily. Water regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Pinch back stems in late spring or early summer to encourage bushier growth and more flowers. Deadhead spent blooms to prolong the flowering season. Divide established clumps every few years to prevent overcrowding and maintain vigor. Provide support, such as staking, if the plants become too tall or leggy. Monitor for pests and diseases, and treat promptly if necessary. Ensure good air circulation to prevent fungal diseases. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate New England Aster?

New England Asters can be easily propagated through division, stem cuttings, or seeds. For division, carefully dig up an established clump in early spring or fall and separate it into smaller sections, each with healthy roots and shoots. Replant the divisions in well-prepared soil. For stem cuttings, take 4-6 inch cuttings from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in moist potting mix and keep them humid until roots develop. Seeds can be sown in early spring indoors or directly in the garden after the last frost. Ensure proper spacing for optimal growth.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.