Lilac vs New England Aster Plant Comparison

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

Lilac

Lilac

Syringa vulgaris

VS
New England Aster

New England Aster

Symphyotrichum novae-angliae

Lilac

Lilac

Syringa vulgaris

Syringa vulgaris, the common lilac, is a deciduous shrub or small tree, typically growing to 2-7 meters (6-23 feet) tall. It is widely cultivated for its fragrant, showy flowers that bloom in spring. The flowers are typically lilac to mauve in color, but white, pink, and purple varieties exist. Lilacs are primarily outdoor plants, valued for their beauty and fragrance in gardens and landscapes. They are not well-suited for indoor cultivation due to their high light requirements and need for a dormant period.

Oleaceae Southeastern Europe
✨ Features: Fragrant flowers, attracts pollinators
📖 Read Complete Lilac 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 Lilac New England Aster
Light Full sun (at least 6 hours of direct sunlight per day) Full sun (at least 6 hours of direct sunlight daily)
Watering Once or twice a week during the growing season, less frequently during dormancy. Every 7-10 days outdoors, depending on rainfall and temperature. Container plants may need more frequent watering.
Humidity 30-50% 30-50%
Temperature 15-27°C 10-27°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 2-7 meters (outdoor) Rarely grown indoors, but if attempted, expect 1-2 feet in a large container.
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, slightly acidic to neutral soil (pH 6.0-7.0) Well-drained soil, loamy or sandy soil is ideal. Tolerates a range of soil types.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30-60 minutes per week during the growing season, including watering, pruning, and fertilizing. 15 minutes weekly outdoors during growing season for watering and deadheading.

🔬 Botanical Information — Comparing These Plants

Lilac

Scientific Name Syringa vulgaris
Family Oleaceae
Native To Southeastern Europe
Also Known As Common Lilac, French Lilac
Leaves The leaves are simple, opposite, heart-shaped, and typically 5-12 cm (2-5 inches) long. They are smooth and dark green in color, turning yellow-brown in the fall before dropping.
Flowers Lilacs rarely, if ever, flower indoors. Outdoors, they produce large, fragrant panicles of flowers in spring. The flowers are typically lilac to mauve, but white, pink, and purple varieties exist.

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

Lilac

Height 2-7 meters (outdoor)
Spread 1.5-6 meters (outdoor)
Growth Rate Moderate
Growth Pattern Lilacs grow as multi-stemmed shrubs or small trees with an upright, spreading habit. They can sucker from the base, forming colonies over time if not managed.

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

Lilac

Methods: Stem cuttings, layering, grafting, suckers

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Use rooting hormone and provide humidity. Layering can be done in spring or fall. Suckers can be removed and transplanted.

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

Lilac

The intense fragrance of the flowers is a defining characteristic. Lilacs also require a period of cold dormancy to bloom properly, making them unsuitable for warm climates.

  • ✓ Provides beautiful and fragrant flowers in spring.
  • ✓ Attracts pollinators such as bees and butterflies to the garden.
  • ✓ Offers a classic and timeless aesthetic.
  • ✓ Can be used for cut flowers.
  • ✓ Provides a sense of nostalgia and tradition.
  • ⚠️ Toxic to pets

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

Lilac

Repotting Not applicable for outdoor plants.
Pruning Prune after flowering to remove spent blooms and shape the shrub. Remove suckers to prevent unwanted spread.
Fertilizing Balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize and prune after flowering. Summer: Water regularly. Fall: Prepare for dormancy. Winter: Provide protection from extreme cold.

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

Lilac

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

Low light tolerant: ❌ No

New England Aster

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

Low light tolerant: ❌ No

💧 Watering Needs

Lilac

Water deeply when the top few inches of soil are 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.

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

Lilac

Temperature: 15-27°C

Humidity: 30-50%

New England Aster

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Lilac

Lilac

Syringa vulgaris
Care: Expert Time: 30-60 minutes per week during the growing season, including watering, pruning, and fertilizing. Beginner: No

Experienced gardeners who want a fragrant, flowering shrub for their outdoor landscape.

✅ Choose This Plant If...

  • You want a highly fragrant flowering shrub for your garden.
  • You have a sunny location with well-draining soil.
  • You enjoy attracting pollinators to your yard.
  • You are willing to prune and maintain the plant regularly.
  • You appreciate the classic beauty of lilac flowers.

❌ Skip This Plant If...

  • You have limited sunlight in your garden.
  • You are looking for an easy-to-care-for indoor plant.
  • You have pets that might ingest the plant.
  • You live in a very warm climate with mild winters.
  • You don't have time for regular pruning and maintenance.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure.
🎨 Style: Traditional, Cottage, Romantic
🏠 Apartment Friendly: No
⚠️ Lilacs contain syringin, a glycoside. According to the ASPCA, lilacs are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.
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 New England Aster ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

☀️

Lilac needs full sun (at least 6 hours of direct sunlight per day), while New England Aster prefers full sun (at least 6 hours of direct sunlight daily).

📈

Lilac has moderate growth, while New England Aster grows fast.

💡 Pro Tips For Comparing These Plants

Lilac Care Tips

Lilacs are primarily outdoor plants and are very difficult to grow indoors. They require full sun, a dormant period, and proper pruning to thrive. Indoor cultivation is not recommended due to the difficulty in meeting these needs.

  • Prune immediately after flowering to encourage new growth and more blooms next year.
  • Ensure good air circulation to prevent powdery mildew.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Fertilize in early spring with a balanced fertilizer.
  • Protect from strong winds and extreme cold.
❄️ Winter: Provide protection from extreme cold, especially for young plants. Mulch around the base of the plant to insulate the roots. Avoid pruning in late fall or winter.
☀️ Summer: Water regularly during dry periods. Mulch around the base of the plant to retain moisture. Monitor for pests and diseases.

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

Lilac

Common Issues: Powdery mildew, lilac borers, scale insects, lack of flowering
Solutions: Powdery mildew: Improve air circulation and apply fungicide. Lilac borers: Prune affected branches and use insecticides. Scale insects: Treat with horticultural oil. Lack of flowering: Ensure adequate sunlight, proper pruning, and avoid over-fertilizing with nitrogen.

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

Lilac

What are the light requirements for Lilac?

Lilacs demand ample sunlight to produce abundant blooms. Ideally, they need at least six to eight hours of direct sunlight each day. Insufficient sunlight can lead to weak growth, sparse flowering, and increased susceptibility to diseases. When planting, choose a location that receives full sun exposure throughout the day. If your lilac is in a partially shaded area, consider transplanting it to a sunnier spot. Morning sun is particularly beneficial as it helps dry the leaves and reduces the risk of fungal infections. If you live in a region with intense afternoon sun, some light afternoon shade may be beneficial, especially for younger plants.

How do I care for Lilac?

Lilacs thrive in full sun, requiring at least six hours of direct sunlight daily. They prefer well-draining soil with a slightly acidic to neutral pH. Water deeply but infrequently, allowing the soil to dry out slightly between waterings. Fertilize in early spring with a balanced fertilizer formulated for flowering shrubs. Prune immediately after flowering to remove spent blooms and encourage new growth for the following year. Provide good air circulation to prevent fungal diseases. Mulch around the base of the plant to retain moisture and suppress weeds. Protect young plants from harsh winter winds. Monitor for pests like aphids and scale, and treat promptly if necessary. Regularly check the soil for nutrient deficiencies and adjust fertilization as needed. With proper care, your lilac will reward you with years of beautiful blooms.

How do I propagate Lilac?

Lilacs can be propagated through several methods. Division is best done in early spring or fall. Carefully dig up the plant and separate the root ball into sections, ensuring each section has healthy roots and stems. Stem cuttings should be taken in late spring or early summer. Select healthy, non-flowering stems and cut them into 4-6 inch lengths. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist until they root. Keiki propagation is not applicable to Lilacs, as they do not naturally produce keikis.

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 18, 2026 — Plant care data reviewed and verified by our editorial team.