Coleus vs New England Aster Plant Comparison

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

Coleus

Coleus

Plectranthus scutellarioides (formerly Coleus blumei)

VS
New England Aster

New England Aster

Symphyotrichum novae-angliae

Coleus

Coleus

Plectranthus scutellarioides (formerly Coleus blumei)

Coleus is a tender perennial, typically grown as an annual, prized for its vibrantly colored foliage. It exhibits a bushy growth habit and is available in a wide array of leaf colors, patterns, and textures, ranging from deep reds and purples to bright greens, yellows, and pinks. While it can produce small, inconspicuous flowers, the foliage is the main attraction. Coleus is primarily an outdoor plant, thriving in warm temperatures and bright, indirect light. However, it can be grown indoors with proper care and attention to its specific needs.

Lamiaceae Southeast Asia, specifically Indonesia
✨ Features: Highly ornamental foliage with a wide range of colors and patterns.
📖 Read Complete Coleus 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 Coleus New England Aster
Light Bright, indirect light. Can tolerate some morning sun, but avoid intense afternoon sun, especially indoors. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 3-7 days, depending on environmental conditions and pot size. Every 7-10 days outdoors, depending on rainfall and temperature. Container plants may need more frequent watering.
Humidity 40-60% 30-50%
Temperature 18-27°C 10-27°C
Care Level Moderate Expert
Growth Rate Fast Fast
Max Height 30-90 cm indoors Rarely grown indoors, but if attempted, expect 1-2 feet in a large container.
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining potting mix, such as a blend of peat moss, perlite, and vermiculite. Well-drained soil, loamy or sandy soil is ideal. Tolerates a range of soil types.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 15 minutes weekly outdoors during growing season for watering and deadheading.

🔬 Botanical Information — Comparing These Plants

Coleus

Scientific Name Plectranthus scutellarioides (formerly Coleus blumei)
Family Lamiaceae
Native To Southeast Asia, specifically Indonesia
Also Known As Coleus, Painted Nettle, Flame Nettle
Leaves The leaves of coleus are typically ovate or heart-shaped, with serrated edges. They come in a wide range of colors, including shades of green, red, purple, yellow, pink, and orange. Many varieties feature intricate patterns and variegation.
Flowers Coleus can flower indoors, but the flowers are typically small and insignificant compared to the foliage. Many gardeners pinch off the flower spikes to encourage more foliage growth.

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

Coleus

Height 30-90 cm indoors
Spread 30-60 cm indoors
Growth Rate Fast
Growth Pattern Coleus exhibits a bushy, upright growth habit. It can become leggy if not pruned regularly. Pinching back the stems encourages branching and a fuller appearance.

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

Coleus

Methods: Stem cuttings

Difficulty: Easy

Tips: Take 4-6 inch stem cuttings, remove the lower leaves, and place in water or directly into moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

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

Coleus

Coleus is known for its incredibly diverse and vibrant foliage, with each variety displaying unique color combinations and patterns. The plant's ability to be easily propagated from stem cuttings makes it a popular choice for gardeners.

  • ✓ Adds vibrant color and visual interest to any space.
  • ✓ Easy to propagate and share with friends.
  • ✓ Can be used to create stunning container arrangements.
  • ✓ Provides a sense of accomplishment through successful propagation and care.
  • ✓ Offers a connection to nature and a calming presence.
  • ⚠️ 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

Coleus

Repotting Repot annually in spring, or when the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and prevent legginess. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Provide as much light as possible. In summer, water more frequently and fertilize regularly. Protect from intense afternoon sun.

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

Coleus

Bright, indirect light. Can tolerate some morning sun, but avoid intense afternoon sun, especially indoors.

Low light tolerant: ❌ No

New England Aster

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

Low light tolerant: ❌ No

💧 Watering Needs

Coleus

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves, while overwatering can cause yellowing or browning of leaves and stem rot.

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

Coleus

Temperature: 18-27°C

Humidity: 40-60%

New England Aster

Temperature: 10-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Coleus

Coleus

Plectranthus scutellarioides (formerly Coleus blumei)
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners who enjoy vibrant foliage and are willing to provide bright, indirect light and consistent moisture.

✅ Choose This Plant If...

  • You want a plant with incredibly colorful and patterned leaves.
  • You enjoy easy propagation through stem cuttings.
  • You want a plant that can be easily shaped through pruning.
  • You want a plant that can be grown outdoors in the summer and brought indoors for the winter.
  • You enjoy experimenting with different varieties and colors.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide bright, indirect light.
  • You tend to overwater your plants.
📍 Ideal Location: Near a bright, east- or west-facing window.
🎨 Style: Bohemian, Tropical, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Coleus contains diterpenoid compounds that can cause mild gastrointestinal upset in dogs, cats, and horses. Symptoms may include vomiting, diarrhea, drooling, and loss of appetite. 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 Coleus

⚡ Key Differences Between These Plants

🎯

Coleus is rated Moderate care level, while New England Aster is Expert.

💡 Pro Tips For Comparing These Plants

Coleus Care Tips

Coleus is relatively easy to grow, but requires bright, indirect light and consistent moisture. Indoor plants may need more frequent watering and fertilization than outdoor plants. Pinching back stems encourages bushier growth. Watch for pests and diseases. Maintaining humidity is important for indoor coleus.

  • Pinch back stems regularly to encourage bushier growth.
  • Rotate the plant regularly to ensure even light exposure.
  • Monitor for pests and diseases regularly.
  • Use a well-draining potting mix to prevent root rot.
  • Provide adequate humidity, especially during dry winter months.
❄️ Winter: Reduce watering frequency during the winter months. Provide as much light as possible, supplementing with a grow light if necessary. Maintain a temperature above 10°C.
☀️ Summer: Water more frequently during the summer months, especially during hot weather. Protect from intense afternoon sun, which can scorch the leaves. Fertilize regularly to promote healthy growth.

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

Coleus

Common Issues: Aphids, mealybugs, spider mites, root rot
Solutions: For aphids, mealybugs, and spider mites, use insecticidal soap or neem oil. For root rot, improve drainage and reduce watering frequency.

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

Coleus

What are the light requirements for Coleus?

Coleus flourishes in bright, indirect light. While it can tolerate some direct sunlight, especially in the morning, prolonged exposure to intense afternoon sun can scorch its delicate leaves. A location near an east-facing window is ideal, providing gentle morning light. West-facing windows can work if shaded during the hottest part of the afternoon.

How do I care for Coleus?

Coleus thrives in bright, indirect light; direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage 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 to encourage vibrant foliage and blooming. Prune regularly to maintain shape and promote bushier growth. Pinch off flower spikes to redirect energy into leaf production, unless you desire blooms.

How do I propagate Coleus?

Coleus is easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Place the cutting in water or directly into moist potting mix. Roots will typically develop within 1-2 weeks.

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 29, 2026 — Plant care data reviewed and verified by our editorial team.