Glory Bush vs Pimpernel Plant Comparison

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

Glory Bush

Glory Bush

Clerodendrum ugandense

VS
Pimpernel

Pimpernel

Lysimachia arvensis

Glory Bush

Glory Bush

Clerodendrum ugandense

Clerodendrum ugandense, commonly known as the Blue Butterfly Bush, is a sprawling evergreen shrub or vine prized for its unique and vibrant blue flowers. It typically grows to a height of 4-10 feet outdoors. The plant features arching branches adorned with glossy, dark green leaves. The flowers, resembling butterflies, are a striking shade of blue with long stamens that add to their delicate appearance. It is primarily grown as an ornamental plant in gardens and landscapes in warm climates. While it can be grown in containers, it is primarily an outdoor plant and may struggle indoors due to light and humidity requirements.

Lamiaceae East Africa (Uganda, Kenya)
✨ Features: Attracts butterflies and hummingbirds.
📖 Read Complete Glory Bush Guide
Pimpernel

Pimpernel

Lysimachia arvensis

Scarlet Pimpernel is a low-growing annual plant typically found in fields, gardens, and disturbed areas. It's characterized by its small, oval-shaped leaves and distinctive bright scarlet (though sometimes pink, orange, or blue) flowers that open only when the sun is shining. The plant rarely exceeds 30 cm in height. While historically used in herbal medicine, it's now primarily considered a weed. It is not typically grown indoors due to its preference for full sun and its weedy nature.

Primulaceae Europe, North Africa, and parts of Asia; naturalized worldwide
✨ Features: Flowers close in response to impending rain or cloudy weather.
📖 Read Complete Pimpernel Guide

Quick Plant Comparison

Feature Glory Bush Pimpernel
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun
Watering Every 5-7 days during the growing season, less frequently in winter. Every 2-3 days in hot weather, 5-7 days in cooler weather, depending on soil dryness.
Humidity 40-60% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 1-2 meters (indoors, if grown in a container) 10-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil. A mix of potting soil, perlite, and compost is suitable. Well-draining soil, sandy or loamy soil is preferred.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 5 minutes weekly (weeding, removing dead foliage)

🔬 Botanical Information — Comparing These Plants

Glory Bush

Scientific Name Clerodendrum ugandense
Family Lamiaceae
Native To East Africa (Uganda, Kenya)
Also Known As Blue Butterfly Bush, Butterfly Clerodendrum, Oxford and Cambridge Bush
Leaves The leaves are glossy, dark green, and oval-shaped with slightly serrated edges. They are typically 5-10 cm long.
Flowers It flowers readily outdoors in warm climates. The flowers are a vibrant blue color and resemble butterflies. They are borne in clusters at the ends of branches.

Pimpernel

Scientific Name Lysimachia arvensis
Family Primulaceae
Native To Europe, North Africa, and parts of Asia; naturalized worldwide
Also Known As Scarlet Pimpernel, Red Pimpernel, Shepherd's Weatherglass, Poor Man's Weatherglass
Leaves Small, oval-shaped leaves, typically 1-2 cm long, arranged in opposite pairs along the stem. The leaves are a light green color and have smooth edges.
Flowers Flowers are small, about 1 cm in diameter, and typically bright scarlet, though pink, orange, and blue varieties exist. They open only when the sun is shining and close in response to cloudy weather or impending rain. Flowering occurs primarily in spring and summer. It is unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

Glory Bush

Height 1-2 meters (indoors, if grown in a container)
Spread 1-1.5 meters (indoors, if grown in a container)
Growth Rate Moderate
Growth Pattern It grows as a sprawling shrub or vine with arching branches. It can be trained to climb on a trellis or fence.

Pimpernel

Height 10-30 cm
Spread Spreads readily, up to 30 cm
Growth Rate Fast
Growth Pattern Low-growing, spreading annual with a sprawling habit. It forms a mat-like ground cover.

🌱 Propagation — Comparing Plant Growth

Glory Bush

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

Pimpernel

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring or fall. Seeds germinate readily in warm, sunny conditions.

✨ Benefits & Features — Comparing Plant Value

Glory Bush

The unique blue, butterfly-shaped flowers are the most distinctive feature. The long stamens add to the delicate appearance. It's a relatively fast-growing shrub in warm climates.

  • ✓ Attracts pollinators like butterflies and hummingbirds.
  • ✓ Adds vibrant color to the garden with its unique blue flowers.
  • ✓ Provides a beautiful focal point in the landscape.
  • ✓ Can be used as a hedge or screen.
  • ✓ Offers a sense of tranquility and connection with nature.
  • ⚠️ Toxic to pets

Pimpernel

The flowers of Scarlet Pimpernel are known to close in response to impending rain or cloudy weather, earning it the name 'Shepherd's Weatherglass'. The flower color can vary, with scarlet being the most common, but pink, orange, and blue varieties also exist.

  • ✓ Attracts pollinators
  • ✓ Provides ground cover
  • ✓ Historically used for weather prediction
  • ✓ Adds color to the garden
  • ✓ Self-seeds easily
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Glory Bush

Repotting Repot every 2-3 years or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage flowering. Remove dead or crossing branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In winter, reduce watering and protect from frost. In summer, provide ample water and sunlight.

Pimpernel

Repotting Not applicable as it's an annual and not typically grown in pots.
Pruning Not typically needed; remove dead or damaged foliage as needed.
Fertilizing Not typically needed; avoid over-fertilizing.
Seasonal Care In spring and summer, ensure adequate sunlight and water. In fall, allow seeds to disperse for next year's growth. In winter, the plant typically dies back.

🌞 Light Requirements

Glory Bush

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Pimpernel

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Glory Bush

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the winter months. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and root rot.

Pimpernel

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of overwatering include yellowing leaves and a soggy soil surface. Underwatering will cause wilting and dry, brittle leaves.

🌡️ Temperature & Humidity

Glory Bush

Temperature: 18-27°C

Humidity: 40-60%

Pimpernel

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Glory Bush

Glory Bush

Clerodendrum ugandense
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates looking for a flowering shrub to attract butterflies.

✅ Choose This Plant If...

  • You want to attract butterflies to your garden.
  • You live in a warm climate with plenty of sunlight.
  • You are an experienced gardener looking for a unique flowering shrub.
  • You have a large outdoor space for the plant to grow.
  • You are prepared to provide the specific care this plant needs.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You have limited space for a large shrub.
  • You are not prepared to provide the high light levels it needs.
📍 Ideal Location: Outdoor garden or patio with full sun to partial shade.
🎨 Style: Tropical, Cottage, Eclectic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Clerodendrum species contain diterpenoids which can be toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.
Pimpernel

Pimpernel

Lysimachia arvensis
Care: Expert Time: 5 minutes weekly (weeding, removing dead foliage) Beginner: No

Gardeners looking for a low-maintenance ground cover in a sunny location, aware of its potential to spread.

✅ Choose This Plant If...

  • You want a low-growing ground cover for a sunny area.
  • You are interested in a plant with a historical connection to weather forecasting.
  • You want to attract pollinators to your garden.
  • You have a well-draining, sandy soil.
  • You are looking for a plant that self-seeds easily.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You want a plant that thrives indoors.
  • You are looking for a low-maintenance houseplant.
📍 Ideal Location: Outdoor garden, sunny field, or disturbed area.
🎨 Style: Wildflower, Cottage Garden
🏠 Apartment Friendly: No
⚠️ Contains toxic glycosides and cyclamin. Can cause gastrointestinal upset, including vomiting and diarrhea, in dogs, cats, and horses. Skin irritation may also occur.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Glory Bush has moderate growth, while Pimpernel grows fast.

💡 Pro Tips For Comparing These Plants

Glory Bush Care Tips

Clerodendrum ugandense is primarily an outdoor plant that requires ample sunlight and well-draining soil. Indoor cultivation is challenging due to the need for high light levels and humidity. Regular pruning is necessary to maintain shape and encourage flowering. Toxicity to pets is a significant concern.

  • Provide ample sunlight for optimal flowering.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season to promote healthy growth and abundant blooms.
  • Prune regularly to maintain shape and encourage flowering.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering in winter. Protect from frost by moving container plants indoors or providing insulation.
☀️ Summer: Provide ample water and sunlight. Protect from intense afternoon sun in very hot climates.

Pimpernel Care Tips

Scarlet Pimpernel is primarily an outdoor plant and is very difficult to cultivate indoors. It requires full sun and well-draining soil. It is considered a weed in many areas and can spread rapidly. Indoor cultivation is not recommended.

  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Avoid over-fertilizing, as this can lead to excessive foliage growth.
  • Monitor for aphids and treat promptly.
  • Allow the plant to self-seed for continuous growth.
❄️ Winter: The plant typically dies back in winter. Allow seeds to disperse for next year's growth.
☀️ Summer: Ensure adequate sunlight and water during the summer months. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Glory Bush

Common Issues: Spider mites, Aphids, Root rot, Lack of flowering
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Provide sufficient sunlight and fertilize regularly.

Pimpernel

Common Issues: Aphids, powdery mildew, root rot
Solutions: Treat aphids with insecticidal soap. Improve air circulation to prevent powdery mildew. Ensure well-draining soil to prevent root rot.

❓ Frequently Asked Questions — Comparing These Plants

Glory Bush

What are the light requirements for Glory Bush?

Glory Bush requires bright, indirect light to thrive and produce abundant blooms. Insufficient light can lead to leggy growth, reduced flowering, and pale leaves. A location near an east- or west-facing window is ideal, providing several hours of bright, indirect sunlight each day. Avoid placing the plant in direct sunlight, especially during the hottest part of the day, as this can scorch the leaves.

How do I care for Glory Bush?

Glory Bush thrives in bright, indirect light; avoid direct sunlight to prevent leaf scorch. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage. Maintain high humidity levels, especially during the blooming season, by misting regularly or using a humidifier.

How do I propagate Glory Bush?

Glory Bush can be propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil moist and provide high humidity by covering the cutting with a plastic bag or placing it in a propagator.

Pimpernel

What are the light requirements for Pimpernel?

Pimpernel generally prefers partial sunlight, receiving about 4-6 hours of direct sunlight per day. However, some varieties can tolerate full sun, especially in cooler climates. Insufficient light can lead to leggy growth and reduced flowering. Indoors, place Pimpernel near a sunny window, such as an east- or west-facing window. Rotate the plant regularly to ensure even light exposure. If natural light is insufficient, supplement with artificial grow lights. Be mindful of intense afternoon sun, which can scorch the leaves, particularly in hot climates.

How do I care for Pimpernel?

Pimpernel thrives in well-draining soil and prefers partial to full sunlight, depending on the specific species. Water regularly, allowing the soil to dry slightly between waterings. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer to encourage abundant blooming. Prune back spent flowers to promote further flowering. Provide adequate air circulation to prevent fungal diseases. Pimpernel can tolerate a range of temperatures but prefers moderate conditions. Repot in spring if the plant becomes root-bound. Monitor for pests like aphids and spider mites and treat accordingly.

How do I propagate Pimpernel?

Pimpernel can be easily propagated through stem cuttings or division.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.