Bells of Ireland vs Monkey Flower 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
Monkey Flower

Monkey Flower

Mimulus aurantiacus

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
Monkey Flower

Monkey Flower

Mimulus aurantiacus

Mimulus aurantiacus, commonly known as Sticky Monkey-flower, is a perennial shrub native to the California chaparral. It typically grows to 1-5 feet tall and wide, featuring narrow, sticky leaves. The plant is named for its bright orange, tubular flowers that resemble a monkey's face. It thrives in dry, sunny conditions and is well-adapted to drought. While primarily an outdoor plant, it is grown for its vibrant flowers and ability to attract pollinators like hummingbirds and butterflies. Indoor cultivation is challenging due to its high light requirements and need for well-draining soil.

Phrymaceae California and Baja California
✨ Features: Drought tolerance, attracts pollinators, deer resistant
📖 Read Complete Monkey Flower Guide

Quick Plant Comparison

Feature Bells of Ireland Monkey Flower
Light Full sun to partial shade outdoors. Indoors, requires very bright, direct light for at least 6 hours daily. Full sun to partial shade
Watering Outdoors: 2-3 times per week, depending on weather. Indoors: Every 5-7 days, depending on light and humidity. Every 1-2 weeks, depending on sunlight and temperature
Humidity 40-60% 30-50%
Temperature 15-24°C 15-27°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) 0.3-1.5 meters (1-5 feet) outdoors, smaller indoors (if grown)
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining potting mix or garden soil. A mix of potting soil, perlite, and vermiculite is suitable. Well-draining sandy or loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 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.

Monkey Flower

Scientific Name Mimulus aurantiacus
Family Phrymaceae
Native To California and Baja California
Also Known As Sticky Monkey-flower, Orange Monkey Flower
Leaves The leaves are narrow, lance-shaped, and sticky due to a resinous coating. They are typically 2-7 cm long and arranged oppositely along the stems. The color is usually a medium to dark green.
Flowers It flowers outdoors in spring and summer. The flowers are tubular, typically bright orange, and about 2-5 cm long. They have five lobes that resemble a monkey's face, hence the common name. Flowering is unlikely indoors.

📏 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.

Monkey Flower

Height 0.3-1.5 meters (1-5 feet) outdoors, smaller indoors (if grown)
Spread 0.3-1.5 meters (1-5 feet) outdoors, smaller indoors (if grown)
Growth Rate Moderate
Growth Pattern Sticky Monkey-flower is a shrubby perennial with an upright, branching growth habit. It typically forms a rounded shape and can spread to be as wide as it is tall.

🌱 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.

Monkey Flower

Methods: Seed, stem cuttings

Difficulty: Easy

Tips: For stem cuttings, take 4-6 inch cuttings in spring or summer, remove lower leaves, and root in well-draining soil. Keep the soil consistently moist. Seeds can be sown directly in the garden in fall or started indoors in early spring.

✨ 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

Monkey Flower

The sticky resin on the leaves is a unique adaptation to drought conditions. The flower's shape is specifically adapted to attract hummingbirds for pollination.

  • ✓ Attracts pollinators like hummingbirds and butterflies
  • ✓ Provides vibrant color to the garden
  • ✓ Drought-tolerant, reducing water usage
  • ✓ Deer resistant
  • ✓ Supports native ecosystems
  • 🐾 Pet Safe

📅 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).

Monkey Flower

Repotting Not typically grown indoors, so repotting is not usually a concern. If grown in a container, repot every 2-3 years in spring.
Pruning Prune lightly after flowering to maintain shape and encourage bushier growth.
Fertilizing Low-phosphorus fertilizer, diluted to half strength, applied in spring and early summer only.
Seasonal Care In winter, reduce watering and protect from frost in colder climates. In summer, provide adequate water during dry spells and deadhead spent flowers to encourage continued blooming.

🌞 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

Monkey Flower

Full sun to partial shade

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.

Monkey Flower

Water deeply when the top inch of soil is dry. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves. Allow the soil to dry out slightly between waterings.

🌡️ Temperature & Humidity

Bells of Ireland

Temperature: 15-24°C

Humidity: 40-60%

Monkey Flower

Temperature: 15-27°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.
Monkey Flower

Monkey Flower

Mimulus aurantiacus
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners in Mediterranean climates looking for a drought-tolerant, pollinator-attracting plant for their garden.

✅ Choose This Plant If...

  • You live in a Mediterranean climate with hot, dry summers.
  • You want to attract hummingbirds and butterflies to your garden.
  • You are looking for a drought-tolerant plant.
  • You appreciate vibrant orange flowers.
  • You have a sunny garden with well-draining soil.

❌ Skip This Plant If...

  • You live in a climate with cold winters and frequent frost.
  • You don't have a sunny location.
  • You are a beginner gardener looking for an easy-to-grow indoor plant.
📍 Ideal Location: Sunny garden or rock garden
🎨 Style: Natural, Southwestern, Mediterranean
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Mimulus species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Both safe ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Bells of Ireland has fast growth, while Monkey Flower 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.

Monkey Flower Care Tips

Sticky Monkey-flower is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to its high light needs. It is drought-tolerant once established but benefits from occasional watering during dry periods. Pruning after flowering encourages bushier growth. Indoor growing is difficult to achieve.

  • Provide full sun for optimal flowering.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune lightly after flowering to encourage bushier growth.
  • Avoid over-fertilizing, as this can lead to leggy growth.
❄️ Winter: In colder climates, protect from frost with mulch or move container plants to a sheltered location. Reduce watering during the dormant season.
☀️ Summer: Provide adequate water during dry spells. Deadhead spent flowers to encourage continued blooming. Protect from intense afternoon sun in extremely hot climates.

⚠️ 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.

Monkey Flower

Common Issues: Root rot, powdery mildew, aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with fungicide. Aphids: Spray with insecticidal soap or neem oil.

❓ 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.

Monkey Flower

What are the light requirements for Monkey Flower?

Monkey Flowers require bright, indirect light for optimal growth and blooming. Direct sunlight can scorch the leaves, especially during the hottest part of the day. An east-facing window is ideal, providing gentle morning sun. A west-facing window can work, but be sure to provide shade during the afternoon. If growing indoors, supplement with grow lights if natural light is insufficient. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. If the leaves start to look pale or yellowish, it may be a sign of too much light.

How do I care for Monkey Flower?

Monkey Flowers thrive in bright, indirect light. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the blooming season with a balanced liquid fertilizer, diluted to half strength, every two to four weeks. Maintain moderate humidity levels, around 40-60%. Prune spent flowers to encourage new blooms. Repot in spring if the plant becomes root-bound, using a well-draining potting mix. Monitor for pests like aphids and spider mites, and treat promptly with insecticidal soap. Provide good air circulation to prevent fungal diseases. In winter, reduce watering and hold off on fertilizer.

How do I propagate Monkey Flower?

Monkey Flowers can be propagated through division, stem cuttings, and seed.

Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.