Canterbury Bells vs Mum Plant Comparison

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

Canterbury Bells

Canterbury Bells

Campanula medium

VS
Mum

Mum

Chrysanthemum × morifolium

Canterbury Bells

Canterbury Bells

Campanula medium

Canterbury Bells are biennials, meaning they complete their life cycle in two years. In the first year, they produce a rosette of foliage, and in the second year, they send up tall, upright flower stalks adorned with bell-shaped flowers. These flowers come in shades of blue, purple, pink, and white. They are primarily grown as outdoor garden plants, adding a cottage garden charm. While technically possible to grow indoors, they require very bright light and cool temperatures to thrive, making it challenging.

Campanulaceae Southern Europe
✨ Features: Attracts pollinators like bees and butterflies.
📖 Read Complete Canterbury Bells Guide
Mum

Mum

Chrysanthemum × morifolium

Chrysanthemum × morifolium, commonly known as mums, are popular flowering plants cultivated for their vibrant and diverse flower colors and forms. They are herbaceous perennials, typically grown as annuals in many climates due to their sensitivity to frost. Mums are characterized by their bushy growth habit and composite flower heads, which come in various shapes like daisy-like, pompon, and spider. While primarily outdoor plants, they are often brought indoors for short periods to enjoy their blooms, but they require specific conditions to thrive indoors long-term. People grow them for ornamental purposes, adding color to gardens and homes, and for cut flowers.

Asteraceae China
✨ Features: Wide variety of flower colors and forms.
📖 Read Complete Mum Guide

Quick Plant Comparison

Feature Canterbury Bells Mum
Light Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day. Full sun (at least 6 hours of direct sunlight daily)
Watering Every 3-7 days outdoors, depending on weather. Indoors, likely less frequent, every 7-10 days, but monitor soil moisture. Every 2-3 days outdoors in warm weather; every 5-7 days indoors, depending on light and temperature.
Humidity 40-60% 40-60%
Temperature 15-21°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: 30-60 cm (much smaller than outdoor specimens) 0.3-1 meter (indoors often smaller)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix amended with compost or other organic matter. Well-draining potting mix rich in organic matter.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly outdoors, potentially more if grown indoors. 15-30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Canterbury Bells

Scientific Name Campanula medium
Family Campanulaceae
Native To Southern Europe
Also Known As Canterbury Bells, Bellflower
Leaves The leaves are lance-shaped to oval, with toothed edges. They are typically medium green in color and have a slightly rough texture.
Flowers It produces bell-shaped flowers in shades of blue, purple, pink, and white. Flowering is profuse in the second year. Rarely flowers indoors.

Mum

Scientific Name Chrysanthemum × morifolium
Family Asteraceae
Native To China
Also Known As Florist's Chrysanthemum, Garden Mum
Leaves Leaves are typically lobed or toothed, medium green in color, and have a slightly hairy texture. Leaf size varies depending on the cultivar.
Flowers Mums flower readily outdoors in the fall. Indoor flowering is possible with sufficient light and cool temperatures. Flowers come in a wide range of colors (white, yellow, orange, red, purple, pink) and forms (daisy-like, pompon, spider, etc.).

📏 Size & Growth — Plant Comparison

Canterbury Bells

Height Indoors: 30-60 cm (much smaller than outdoor specimens)
Spread Indoors: 20-30 cm
Growth Rate Moderate
Growth Pattern Upright, with a basal rosette of leaves in the first year, followed by a tall flower stalk in the second year.

Mum

Height 0.3-1 meter (indoors often smaller)
Spread 0.3-1 meter
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. Can be compact or more spreading depending on the variety and pruning.

🌱 Propagation — Comparing Plant Growth

Canterbury Bells

Methods: Seed

Difficulty: Moderate

Tips: Sow seeds indoors 6-8 weeks before the last frost or directly outdoors in spring. Seeds need light to germinate, so don't cover them too deeply.

Mum

Methods: Stem cuttings, Division, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or early summer. Use rooting hormone and keep the cuttings in a humid environment. Division is best done in spring or fall.

✨ Benefits & Features — Comparing Plant Value

Canterbury Bells

The bell-shaped flowers are its most distinctive feature, giving it a charming and classic appearance. It is a biennial, meaning it only flowers in its second year of growth.

  • ✓ Attracts pollinators to the garden.
  • ✓ Adds a touch of classic beauty to outdoor spaces.
  • ✓ Provides cut flowers for arrangements.
  • ✓ Offers a range of colors to choose from.
  • ✓ Can be grown from seed, offering a rewarding gardening experience.
  • ⚠️ Toxic to pets

Mum

Chrysanthemums are known for their diverse flower shapes and colors, blooming in the fall when many other plants are fading. They are photoperiodic, meaning their flowering is triggered by shorter day lengths.

  • ✓ Adds vibrant color to gardens and homes
  • ✓ Provides cut flowers for arrangements
  • ✓ Can improve mood with its bright blooms
  • ✓ Attracts pollinators to the garden
  • ✓ Offers a sense of accomplishment for successful cultivation
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Canterbury Bells

Repotting Not typically repotted as they are biennials. If grown indoors, repot in spring if root-bound.
Pruning Deadhead spent flowers to encourage more blooms. Cut back foliage after flowering.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Spring: Plant seeds or seedlings. Summer: Water regularly and fertilize. Fall: Allow seed heads to dry for collection. Winter: Protect from frost in colder climates.

Mum

Repotting Repot only if necessary, typically every 1-2 years, in spring. Choose a pot slightly larger than the current one.
Pruning Pinch back stems regularly in spring and early summer to encourage bushier growth and more blooms. Deadhead spent flowers to promote continued blooming.
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 spring and summer, provide regular watering and fertilization. In fall, enjoy the blooms. In winter, if overwintering outdoors, mulch heavily to protect the roots. Indoors, reduce watering in winter.

🌞 Light Requirements

Canterbury Bells

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours per day.

Low light tolerant: ❌ No

Mum

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

Low light tolerant: ❌ No

💧 Watering Needs

Canterbury Bells

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Reduce watering during cooler months.

Mum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Indoors, check soil moisture regularly as potted plants dry out faster. Signs of underwatering include wilting leaves; overwatering shows as yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Canterbury Bells

Temperature: 15-21°C

Humidity: 40-60%

Mum

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Canterbury Bells

Canterbury Bells

Campanula medium
Care: Expert Time: 15 minutes weekly outdoors, potentially more if grown indoors. Beginner: No

Gardeners looking for a classic cottage garden flower.

✅ Choose This Plant If...

  • You love cottage garden aesthetics and want to attract pollinators to your garden.
  • You are looking for a classic, old-fashioned flower.
  • You have a sunny garden space.
  • You enjoy cut flowers and want to grow your own.
  • You are experienced with gardening and can provide the specific conditions this plant needs.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a very sunny location.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors: Sunny garden bed or border. Indoors: Brightest possible windowsill.
🎨 Style: Cottagecore, Traditional, Romantic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Canterbury Bells are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and abdominal pain. All parts of the plant are considered toxic.
Mum

Mum

Chrysanthemum × morifolium
Care: Expert Time: 15-30 minutes weekly Beginner: No

Gardeners looking to add vibrant fall color to their outdoor spaces, or those willing to provide very specific conditions for short-term indoor enjoyment.

✅ Choose This Plant If...

  • You want vibrant fall colors in your garden.
  • You are looking for a plant with diverse flower forms and colors.
  • You are willing to provide the specific light and temperature conditions required for indoor blooming.
  • You enjoy the challenge of caring for a plant that requires attentive maintenance.
  • You want a plant that can be used for cut flowers.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or container; indoors near a south-facing window.
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones, pyrethrins, and other potential irritants. Symptoms include vomiting, diarrhea, salivation, incoordination, and dermatitis. All parts of the plant are 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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Canterbury Bells Care Tips

Canterbury Bells are best suited for outdoor gardens. Indoor cultivation is challenging due to their high light and cool temperature requirements. They are toxic to pets, requiring careful placement. Expect a shorter lifespan indoors.

  • Provide adequate sunlight for optimal flowering.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from strong winds, which can damage the tall flower stalks.
  • Monitor for pests and diseases regularly.
❄️ Winter: In colder climates, protect the base of the plant with mulch to insulate the roots. Reduce watering during dormancy.
☀️ Summer: Water regularly, especially during hot, dry weather. Provide some afternoon shade in very hot climates.

Mum Care Tips

Mums are primarily outdoor plants and require significant sunlight to thrive. Indoor care is challenging due to the need for bright light and cool temperatures. They are often treated as annuals indoors. Maintaining proper watering and humidity is crucial to prevent problems.

  • Pinch back stems regularly until mid-summer to encourage bushier growth.
  • Provide excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering in winter. If overwintering outdoors, mulch heavily. If overwintering indoors, keep in a cool, bright location.
☀️ Summer: Provide regular watering and fertilization. Protect from intense afternoon sun in hot climates. Pinch back stems regularly until mid-summer.

⚠️ Common Problems & Solutions — Plant Care Comparison

Canterbury Bells

Common Issues: Root rot, powdery mildew, aphids, spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide. Aphids/Spider mites: Insecticidal soap or neem oil.

Mum

Common Issues: Aphids, spider mites, powdery mildew, root rot
Solutions: Aphids and spider mites: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Root rot: Ensure well-draining soil and avoid overwatering.

❓ Frequently Asked Questions — Comparing These Plants

Canterbury Bells

What are the light requirements for Canterbury Bells?

Canterbury Bells flourish best in locations that receive full sun to partial shade. Ideally, they need at least six hours of direct sunlight daily for optimal blooming. In hotter climates, afternoon shade is beneficial to prevent scorching of the leaves and flowers. When grown indoors, place them near a sunny window, such as a south- or east-facing window. If natural light is insufficient, consider using grow lights to supplement their needs. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides.

How do I care for Canterbury Bells?

Canterbury Bells thrive in well-drained soil and prefer full sun to partial shade. Water regularly, keeping the soil consistently moist but not waterlogged, especially during the growing season. Fertilize every 2-3 weeks with a balanced liquid fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further flowering. Provide support for tall varieties to prevent them from bending or breaking. Monitor for pests like aphids and slugs, and treat as needed. Ensure good air circulation to prevent fungal diseases. In colder climates, provide winter protection or grow as an annual. They prefer moderate humidity.

How do I propagate Canterbury Bells?

Canterbury Bells can be propagated by seed, division, or basal cuttings.

Mum

What are the light requirements for Mum?

Mums thrive in bright, indirect light. They need at least 6 hours of sunlight per day to produce abundant blooms. An east- or west-facing window is ideal, providing ample light without the harshness of direct sunlight. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Mum?

To care for your Mum, provide bright, indirect light, ideally near an east- or west-facing window. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize every two weeks during the growing season (spring and summer) with a balanced liquid fertilizer, reducing frequency in the fall.

How do I propagate Mum?

Mums can be propagated through division, stem cuttings, or occasionally from keiki.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.