Bells of Ireland vs Shasta Daisy Plant Comparison

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

Bells of Ireland

Bells of Ireland

Moluccella laevis

VS
Shasta Daisy

Shasta Daisy

Leucanthemum × superbum

Bells of Ireland

Bells of Ireland

Moluccella laevis

Bells of Ireland is an annual flowering plant known for its tall spikes of vibrant green, bell-shaped calyces (modified leaves) that surround tiny, inconspicuous white flowers. It typically grows to a height of 2-3 feet. While it can be grown indoors, it's primarily an outdoor plant, often cultivated in gardens for its unique architectural form and long-lasting cut flowers. People grow it for its ornamental value, particularly in floral arrangements, where its bright green color adds a striking contrast.

Lamiaceae (Mint family) Western Asia (Turkey, Syria, Caucasus)
✨ Features: Unique architectural form, excellent cut flower, attracts pollinators.
📖 Read Complete Bells of Ireland Guide
Shasta Daisy

Shasta Daisy

Leucanthemum × superbum

The Shasta Daisy is a classic garden perennial known for its bright white petals surrounding a yellow center disc. It typically grows to a height of 1-3 feet and features lance-shaped, dark green leaves. While primarily an outdoor plant, it's cultivated for its cheerful, long-lasting blooms that appear in summer. People grow Shasta Daisies for their cut flowers, ability to attract pollinators, and overall contribution to a sunny garden aesthetic. It is not naturally an indoor plant and will struggle to thrive indoors.

Asteraceae Hybrid origin (developed by Luther Burbank)
✨ Features: Attracts pollinators (bees, butterflies), excellent cut flower
📖 Read Complete Shasta Daisy Guide

Quick Plant Comparison

Feature Bells of Ireland Shasta Daisy
Light Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours daily. Full sun (at least 6 hours of direct sunlight per day)
Watering Outdoors: 2-3 times per week, depending on weather. Indoors: Every 5-7 days, depending on light and humidity. Every 5-7 days outdoors during the growing season, less frequently in cooler months.
Humidity 40-60% 30-50%
Temperature 15-24°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Indoors: 0.6-1 meter (2-3 feet). Outdoors: 0.6-1 meter (2-3 feet) 0.3-0.9 meters (1-3 feet) outdoors, significantly less if attempted indoors
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining potting mix or garden soil. A mix of potting soil, perlite, and vermiculite is suitable. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes weekly 15 minutes weekly during the growing season for deadheading and watering.

🔬 Botanical Information — Comparing These Plants

Bells of Ireland

Scientific Name Moluccella laevis
Family Lamiaceae (Mint family)
Native To Western Asia (Turkey, Syria, Caucasus)
Also Known As Bells of Ireland, Molucca Balm, Shellflower
Leaves The leaves are light green, oval to rounded in shape, and have slightly toothed edges. They are arranged oppositely along the stem and are generally inconspicuous compared to the prominent calyces.
Flowers The actual flowers are small, white, and relatively insignificant, hidden within the larger green calyces. Flowering typically occurs in summer.

Shasta Daisy

Scientific Name Leucanthemum × superbum
Family Asteraceae
Native To Hybrid origin (developed by Luther Burbank)
Also Known As Shasta Daisy, Marguerite Daisy
Leaves Lance-shaped, dark green leaves with toothed margins. The leaves are typically 5-10 cm long and arranged alternately along the stems.
Flowers Does not typically flower indoors. Outdoors, it produces large, single or double daisy-like flowers with white petals and a bright yellow center disc. Flowers are typically 5-10 cm in diameter and bloom from summer to fall.

📏 Size & Growth — Plant Comparison

Bells of Ireland

Height Indoors: 0.6-1 meter (2-3 feet). Outdoors: 0.6-1 meter (2-3 feet)
Spread Indoors: 30-45 cm (12-18 inches). Outdoors: 30-45 cm (12-18 inches)
Growth Rate Fast
Growth Pattern Upright, branching plant with tall spikes of bell-shaped calyces. It grows quickly during the growing season and typically dies back after flowering.

Shasta Daisy

Height 0.3-0.9 meters (1-3 feet) outdoors, significantly less if attempted indoors
Spread 0.3-0.6 meters (1-2 feet), can spread via rhizomes
Growth Rate Moderate
Growth Pattern Upright, clump-forming perennial. It grows from a basal rosette of leaves and produces flower stalks that rise above the foliage.

🌱 Propagation — Comparing Plant Growth

Bells of Ireland

Methods: Seed

Difficulty: Moderate

Tips: Sow seeds indoors 6-8 weeks before the last frost or directly outdoors after the last frost. Seeds require light to germinate, so press them gently into the soil surface. Keep the soil consistently moist.

Shasta Daisy

Methods: Division, Seed, Stem cuttings

Difficulty: Easy

Tips: Divide clumps in spring or fall. Take stem cuttings in late spring or early summer. Sow seeds indoors 6-8 weeks before the last frost.

✨ Benefits & Features — Comparing Plant Value

Bells of Ireland

The most striking feature is the bright green, bell-shaped calyces that surround the tiny white flowers. These calyces persist long after the flowers have faded, providing extended ornamental value. It is not native to Ireland, despite its common name.

  • ✓ Adds unique architectural interest to gardens and floral arrangements.
  • ✓ Provides a vibrant green color that contrasts well with other flowers.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Symbolizes luck and good fortune.
  • ✓ Can be dried and used in dried flower arrangements.
  • 🐾 Pet Safe

Shasta Daisy

Shasta Daisies are known for their classic daisy appearance with bright white petals and a yellow center. They are a hybrid, developed to be more robust and floriferous than their parent species.

  • ✓ Attracts pollinators to your garden
  • ✓ Provides beautiful cut flowers for bouquets
  • ✓ Adds a cheerful and classic aesthetic to outdoor spaces
  • ✓ Relatively easy to grow in the right conditions
  • ✓ Can be divided to create more plants
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Bells of Ireland

Repotting Not typically repotted as it is an annual. If grown indoors, repotting may be necessary if the plant becomes root-bound.
Pruning Pinch back young plants to encourage bushier growth. Remove spent flower spikes 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 Spring/Summer: Active growth, regular watering and fertilization. Fall: Seed collection. Winter: Minimal watering, may die back in colder climates (annual).

Shasta Daisy

Repotting Not applicable for outdoor plants. If grown in containers, repot every 1-2 years, or more frequently if root-bound.
Pruning Deadhead spent flowers regularly to encourage continuous blooming. Cut back foliage in the fall after the first frost.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In spring, divide clumps if needed. In summer, deadhead spent flowers to encourage more blooms. In fall, cut back foliage after the first frost. In winter, mulch around the base of the plant for protection in colder climates.

🌞 Light Requirements

Bells of Ireland

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

Low light tolerant: ❌ No

Shasta Daisy

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

Low light tolerant: ❌ No

💧 Watering Needs

Bells of Ireland

Outdoors: Water regularly, keeping the soil consistently moist but not waterlogged. Indoors: Water thoroughly when the top inch of soil feels dry. Overwatering can lead to root rot; underwatering will cause wilting and browning of the calyces.

Shasta Daisy

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves and dry, crispy edges. Overwatering symptoms include yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Bells of Ireland

Temperature: 15-24°C

Humidity: 40-60%

Shasta Daisy

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Bells of Ireland

Bells of Ireland

Moluccella laevis
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners who want a unique and striking addition to their cut flower arrangements.

✅ Choose This Plant If...

  • You want a unique and striking addition to your garden or floral arrangements.
  • You enjoy the challenge of growing plants that require specific conditions.
  • You are looking for a plant with a strong architectural presence.
  • You want to attract pollinators to your garden.
  • You need a long-lasting cut flower with a vibrant green color.

❌ Skip This Plant If...

  • You have limited sunlight indoors and cannot provide supplemental lighting.
  • You are a beginner gardener looking for an easy-to-grow plant.
  • You live in a very hot or humid climate, which can increase the risk of fungal diseases.
📍 Ideal Location: Outdoors: Sunny garden bed or border. Indoors: South-facing window with supplemental grow lights.
🎨 Style: Cottagecore, Eclectic, Traditional, Bohemian
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Moluccella laevis is not listed as toxic to dogs, cats, or horses.
Shasta Daisy

Shasta Daisy

Leucanthemum × superbum
Care: Expert Time: 15 minutes weekly during the growing season for deadheading and watering. Beginner: With-caution

Gardeners who want a classic, cheerful, and easy-to-grow perennial for sunny borders and cut flowers.

✅ Choose This Plant If...

  • You want a classic, cheerful flower in your garden.
  • You need a plant that attracts pollinators like bees and butterflies.
  • You want long-lasting cut flowers for bouquets.
  • You have a sunny garden with well-draining soil.
  • You want a relatively low-maintenance perennial once established.

❌ Skip This Plant If...

  • You don't have a sunny outdoor space.
  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden border, cottage garden, cutting garden
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains pyrethrins which can cause vomiting, diarrhea, incoordination, dermatitis, and salivation. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Bells of Ireland ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Bells of Ireland has fast growth, while Shasta Daisy grows moderate.

💡 Pro Tips For Comparing These Plants

Bells of Ireland Care Tips

Bells of Ireland are best suited for outdoor gardens. Growing them indoors is challenging due to their high light requirements. Supplemental lighting is almost always necessary. Consistent watering and well-draining soil are crucial to prevent root rot. Requires careful monitoring for pests and diseases.

  • Start seeds indoors 6-8 weeks before the last frost for earlier blooms.
  • Provide well-draining soil to prevent root rot.
  • Water regularly, especially during hot and dry weather.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Pinch back young plants to encourage bushier growth.
❄️ Winter: As an annual, Bells of Ireland typically dies back in the winter. Collect seeds for planting the following spring.
☀️ Summer: Provide consistent moisture and protection from extreme heat. Fertilize regularly to promote continued blooming. Monitor for pests and diseases.

Shasta Daisy Care Tips

Shasta Daisies are primarily outdoor plants and require full sun to thrive. Indoor cultivation is challenging due to the high light requirements. They need well-draining soil and regular watering. Overwintering indoors may be necessary in colder climates, but providing adequate light is crucial for survival.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide full sun for optimal growth and flowering.
  • Ensure well-draining soil to prevent root rot.
  • Divide clumps every 2-3 years to maintain vigor.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
❄️ Winter: Cut back foliage after the first frost. Mulch around the base of the plant to protect the roots from freezing temperatures. In colder climates, consider moving potted plants to a sheltered location or unheated garage.
☀️ Summer: Provide regular watering during hot, dry periods. Deadhead spent flowers to encourage continuous blooming. Monitor for pests and diseases and treat as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Bells of Ireland

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

Shasta Daisy

Common Issues: Powdery mildew, Root rot, Aphids, Stem rot
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap. Stem rot: Remove affected plant parts and improve drainage.

❓ Frequently Asked Questions — Comparing These Plants

Bells of Ireland

What are the light requirements for Bells of Ireland?

Bells of Ireland crave sunlight. They need at least 6-8 hours of direct sunlight each day to produce vibrant green calyces and strong stems. Insufficient light can lead to leggy growth, pale coloring, and reduced blooming. When grown indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is limited, supplement with grow lights. Rotate the plants regularly to ensure even light exposure on all sides. When starting seeds indoors, use grow lights to ensure healthy seedling development.

How do I care for Bells of Ireland?

Bells of Ireland require full sun, at least 6-8 hours daily, to thrive. Plant them in well-draining soil with a slightly acidic to neutral pH (6.0-7.0). Water regularly, keeping the soil consistently moist but not waterlogged, especially during hot weather. Fertilize every 2-3 weeks with a balanced liquid fertilizer during the growing season (spring and summer).

How do I propagate Bells of Ireland?

Bells of Ireland are typically propagated by seed.

Shasta Daisy

What are the light requirements for Shasta Daisy?

Shasta Daisies require at least six hours of direct sunlight per day to thrive and produce abundant blooms. In hotter climates, some afternoon shade can be beneficial to prevent scorching of the petals. When grown indoors, place them near a south-facing or west-facing window where they can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure adequate light exposure. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Etiolation, or stretching toward the light source, is a sign that the plant needs more light. Monitor leaf color as an indicator.

How do I care for Shasta Daisy?

Shasta Daisies thrive in full sun and well-draining soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize in early spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage more blooms throughout the season. Divide clumps every 2-3 years to prevent overcrowding and maintain vigor. Provide support for taller varieties to prevent them from flopping over. Protect from extreme winter cold in colder climates by mulching around the base of the plant. Monitor for pests and diseases, and treat as needed. Proper air circulation is essential to prevent fungal diseases. Choose a location with good airflow.

How do I propagate Shasta Daisy?

Shasta Daisies can be easily propagated by division. In early spring or fall, carefully dig up the clump and divide it into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. Water thoroughly. Stem cuttings can also be taken in spring. Take 4-6 inch cuttings from new growth. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix. Keep the soil moist and provide indirect light until roots develop. Keiki propagation is not applicable to Shasta Daisies.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.