Borage vs Michaelmas Daisy Plant Comparison

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

Borage

Borage

Borago officinalis

VS
Michaelmas Daisy

Michaelmas Daisy

Symphyotrichum novi-belgii

Borage

Borage

Borago officinalis

Borage is an annual herb characterized by its bristly, hairy stems and leaves. It typically grows to a height of 1-3 feet. The plant is primarily grown outdoors for its edible leaves and flowers, which have a cucumber-like flavor. The star-shaped, bright blue flowers are a major draw, attracting pollinators like bees. While it can be grown indoors, it requires very bright light and ample space, making it challenging for most indoor environments. It's valued for its culinary and medicinal uses.

Boraginaceae Mediterranean region
✨ Features: Attracts pollinators, edible flowers and leaves, medicinal properties (though use with caution due to pyrrolizidine alkaloids).
📖 Read Complete Borage 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 Borage Michaelmas Daisy
Light Full sun (6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 2-5 days, depending on weather and soil drainage Every 7-10 days, depending on weather and soil conditions.
Humidity 30-50% 30-50%
Temperature 15-25°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, if attempted N/A - Outdoor plant
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, loamy soil Well-drained, fertile soil. A mix of garden soil, compost, and a bit of sand is ideal.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Borage

Scientific Name Borago officinalis
Family Boraginaceae
Native To Mediterranean region
Also Known As Borage, Starflower, Bee Bush, Bee Bread
Leaves The leaves are oval to lance-shaped, 5-15 cm long, and covered in bristly hairs, giving them a rough texture. They are typically a dull green color. The leaves are alternate along the stem.
Flowers Borage produces star-shaped flowers that are typically bright blue, although pink and white varieties exist. The flowers hang downwards and are about 2-3 cm in diameter. They are edible and have a mild, cucumber-like flavor. It will flower outdoors, but is unlikely to flower indoors.

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

Borage

Height 0.3-0.9 meters (1-3 feet) outdoors; smaller indoors, if attempted
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Fast
Growth Pattern Borage grows upright with a bushy habit. It branches out from the main stem, producing numerous flowers and leaves. It can self-seed readily, leading to new plants appearing in subsequent seasons.

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

Borage

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring after the last frost. Borage self-seeds readily.

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

Borage

Borage is known for its vibrant blue, star-shaped flowers and its cucumber-like flavor. It's also a significant attractant for pollinators, making it a valuable addition to any garden ecosystem. The hairy texture of the leaves and stems is another distinguishing feature.

  • ✓ Attracts beneficial pollinators to your garden
  • ✓ Provides edible flowers and leaves for culinary use
  • ✓ Can be used in traditional herbal remedies (with caution)
  • ✓ Adds a beautiful blue hue to your garden
  • ✓ Fast growing and easy to propagate from seed
  • ⚠️ 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

Borage

Repotting Not typically repotted as it's an annual. If grown in a container, choose a large pot from the start.
Pruning Deadhead spent flowers to encourage more blooms. Prune back leggy growth to maintain a compact shape.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, ensure adequate watering and fertilization. In fall, allow the plant to self-seed or collect seeds for next year's planting. Borage is an annual and will die back in winter.

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

Borage

Full sun (6-8 hours of direct sunlight daily)

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

Borage

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In hot weather, more frequent watering may be needed. Signs of underwatering include wilting leaves. 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

Borage

Temperature: 15-25°C

Humidity: 30-50%

Michaelmas Daisy

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Borage

Borage

Borago officinalis
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking for a pollinator-attracting herb with edible flowers and leaves.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden
  • You enjoy edible flowers and leaves with a cucumber-like taste
  • You have a sunny outdoor space
  • You want a fast-growing annual herb
  • You are interested in traditional herbal remedies (with caution and research).

❌ Skip This Plant If...

  • You have pets that may ingest the plant
  • You lack a sunny outdoor space
  • You are looking for a low-maintenance indoor plant
📍 Ideal Location: Outdoor garden or sunny balcony
🎨 Style: Cottage garden, Herb garden, Naturalistic
🏠 Apartment Friendly: No
⚠️ Borage contains pyrrolizidine alkaloids, which can be toxic to dogs, cats, and horses. Symptoms may include liver damage, vomiting, and diarrhea. All parts of the plant are potentially toxic, but the seeds contain the highest concentration of these alkaloids.
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

📈

Borage has fast growth, while Michaelmas Daisy grows moderate.

💡 Pro Tips For Comparing These Plants

Borage Care Tips

Borage is primarily an outdoor plant that requires full sun and well-drained soil. Growing it indoors is challenging due to its high light requirements and potential for rapid growth. It is also toxic to pets, requiring careful placement if grown in a home with animals.

  • Provide full sun for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Deadhead spent flowers to encourage more blooms.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: Borage is an annual and will die back in winter. Collect seeds for replanting in the spring.
☀️ Summer: Ensure adequate watering during hot summer months. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Monitor for pests and diseases, such as aphids and powdery mildew.

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

Borage

Common Issues: Powdery mildew, aphids, root rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

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

Borage

What are the light requirements for Borage?

Borage thrives in full sun, requiring at least six hours of direct sunlight per day to promote abundant flowering and healthy growth. While it can tolerate partial shade, insufficient light can lead to leggy growth, reduced flowering, and paler foliage. When growing Borage indoors, place it near a south-facing window where it can receive maximum sunlight. If natural light is limited, supplement with grow lights to ensure adequate illumination. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can weaken the plant and make it more susceptible to pests and diseases.

How do I care for Borage?

Borage is generally easy to care for, thriving in well-draining soil and full sun to partial shade. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize lightly with a balanced fertilizer in spring to encourage blooming, switching to a bloom-boosting fertilizer as flowers appear. Deadhead spent flowers to promote continuous blooming. Borage is relatively pest-resistant but watch for aphids and spider mites. Provide adequate air circulation to prevent fungal diseases. Borage can tolerate a range of temperatures but prefers moderate conditions. Indoors, ensure adequate light and humidity. Regularly inspect your Borage for any signs of stress or disease, and adjust your care routine accordingly.

How do I propagate Borage?

Borage can be propagated easily from seeds. Sow seeds directly into the garden in spring or fall, or start them indoors 6-8 weeks before the last frost. Borage can also self-seed readily. Root cuttings can also be taken in the spring. Select a healthy stem and cut it just below a node. Remove the lower leaves and place the cutting in water or directly into moist soil. Keep the soil moist and provide bright, indirect light until roots develop. Once rooted, transplant the cutting into a pot or garden bed. Division is not suitable for Borage due to its taproot system. Borage propagation is simple and rewarding!

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: April 28, 2026 — Plant care data reviewed and verified by our editorial team.