Lilac vs Michaelmas Daisy 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
Michaelmas Daisy

Michaelmas Daisy

Symphyotrichum novi-belgii

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
Michaelmas Daisy

Michaelmas Daisy

Symphyotrichum novi-belgii

The New York Aster, Symphyotrichum novi-belgii, is a perennial flowering plant known for its vibrant daisy-like flowers that bloom in late summer and autumn. Typically growing to a height of 1-4 feet, it features lance-shaped leaves and numerous flower heads in shades of purple, pink, blue, and white with yellow centers. It's primarily an outdoor plant, thriving in gardens and meadows. People grow it for its late-season color, attracting pollinators like bees and butterflies, and its ability to add beauty to landscapes when many other flowers have faded. It is not suited as an indoor plant.

Asteraceae North America
✨ Features: Attracts butterflies and bees, provides late-season color.
📖 Read Complete Michaelmas Daisy Guide

Quick Plant Comparison

Feature Lilac Michaelmas Daisy
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Once or twice a week during the growing season, less frequently during dormancy. Every 7-10 days, depending on weather and soil conditions.
Humidity 30-50% 30-50%
Temperature 15-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 2-7 meters (outdoor) N/A - Outdoor plant
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic to neutral soil (pH 6.0-7.0) Well-drained, fertile soil. A mix of garden soil, compost, and a bit of sand is ideal.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30-60 minutes per week during the growing season, including watering, pruning, and fertilizing. 15 minutes weekly

🔬 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.

Michaelmas Daisy

Scientific Name Symphyotrichum novi-belgii
Family Asteraceae
Native To North America
Also Known As New York Aster, Michaelmas Daisy
Leaves Lance-shaped, alternate leaves that are typically dark green and slightly rough in texture. They can vary in size depending on the variety, but are generally 2-6 inches long.
Flowers Rarely flowers indoors. Outdoors, it produces numerous daisy-like flower heads in shades of purple, pink, blue, and white with yellow centers. The flowers are typically 1-2 inches in diameter and bloom in late summer and autumn.

📏 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.

Michaelmas Daisy

Height N/A - Outdoor plant
Spread 1-3 feet, spreads via rhizomes.
Growth Rate Moderate
Growth Pattern Upright, bushy perennial that spreads via rhizomes, forming clumps 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.

Michaelmas Daisy

Methods: Division, Stem cuttings, Seed

Difficulty: Easy

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

Michaelmas Daisy

Michaelmas Daisies are known for their late-season blooms, providing color when many other flowers have faded. They are also excellent for attracting pollinators and are relatively easy to propagate.

  • ✓ Attracts pollinators to your garden
  • ✓ Provides late-season color
  • ✓ Easy to propagate
  • ✓ Hardy and low-maintenance once established
  • ✓ Adds a naturalistic touch to the landscape
  • ⚠️ Toxic to pets

📅 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.

Michaelmas Daisy

Repotting N/A - Outdoor plant
Pruning Deadhead spent flowers to encourage more blooms. Cut back stems in late fall after flowering.
Fertilizing Balanced slow-release fertilizer in spring. Avoid over-fertilizing, which can lead to leggy growth.
Seasonal Care In spring, divide clumps to promote growth. In summer, water regularly and deadhead spent flowers. In fall, enjoy the blooms. In winter, cut back stems after flowering and allow the plant to go dormant.

🌞 Light Requirements

Lilac

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

Low light tolerant: ❌ No

Michaelmas Daisy

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

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.

Michaelmas Daisy

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Water at the base of the plant to prevent fungal diseases. During hot, dry periods, more frequent watering may be necessary. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Lilac

Temperature: 15-27°C

Humidity: 30-50%

Michaelmas Daisy

Temperature: 15-25°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.
Michaelmas Daisy

Michaelmas Daisy

Symphyotrichum novi-belgii
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for late-season color and a plant that attracts pollinators.

✅ Choose This Plant If...

  • You want a plant that blooms in late summer and fall.
  • You want to attract butterflies and bees to your garden.
  • You need a hardy perennial that can withstand cold winters.
  • You want a plant that is easy to propagate.
  • You have a sunny garden spot.

❌ Skip This Plant If...

  • You don't have a sunny garden.
  • You have pets that might ingest the plant.
  • You are looking for an indoor plant.
  • You dislike plants that spread via rhizomes.
  • You live in a very hot, humid climate where powdery mildew is rampant.
📍 Ideal Location: Outdoor garden or meadow with full sun exposure.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, asters are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and skin irritation. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Lilac has moderate growth, while Michaelmas Daisy grows moderate.

💡 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.

Michaelmas Daisy Care Tips

Michaelmas Daisies are primarily outdoor plants and are very difficult to maintain indoors due to their high light requirements and need for seasonal dormancy. They require full sun, well-drained soil, and regular watering. Indoor attempts often result in weak, leggy growth and a lack of flowering.

  • Provide full sun for best flowering.
  • Water deeply but infrequently.
  • Divide clumps every 2-3 years to prevent overcrowding.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for powdery mildew and treat promptly.
❄️ Winter: Cut back stems to the ground after flowering. A layer of mulch can help protect the roots in colder climates.
☀️ Summer: Water regularly during hot, dry periods. Deadhead spent flowers to encourage more blooms. 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.

Michaelmas Daisy

Common Issues: Powdery mildew, Aster yellows, Aphids
Solutions: Powdery mildew: Improve air circulation, use a fungicide. | Aster yellows: Remove and destroy infected plants. | Aphids: Spray with insecticidal soap.

❓ 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.

Michaelmas Daisy

What are the light requirements for Michaelmas Daisy?

Michaelmas Daisies require at least six hours of direct sunlight each day to thrive and produce abundant blooms. Morning sun is particularly beneficial as it helps to dry the foliage and reduce the risk of fungal diseases. While they can tolerate some afternoon shade, especially in hotter climates, insufficient sunlight will result in leggy growth, fewer flowers, and a less vibrant display. When planting, choose a location that receives full sun for the majority of the day. If growing indoors, place the plant near a sunny window, ideally facing south or west. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Michaelmas Daisy?

Michaelmas Daisies thrive in well-drained soil and prefer a sunny location, requiring at least six hours of direct sunlight daily. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further blooming and prevent self-seeding. Divide established plants every 2-3 years in spring or fall to maintain vigor and prevent overcrowding. Provide support for taller varieties to prevent them from flopping over. Monitor for pests and diseases, such as powdery mildew, and treat promptly. Prune back in late fall after flowering to encourage bushier growth the following year. Proper air circulation is essential to prevent fungal diseases.

How do I propagate Michaelmas Daisy?

Michaelmas Daisies can be easily propagated through division, stem cuttings, and sometimes from seed.

Last updated: May 15, 2026 — Plant care data reviewed and verified by our editorial team.