Black-Eyed Susan vs Pride of Madeira Plant Comparison

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

Black-Eyed Susan

Black-Eyed Susan

Rudbeckia hirta

VS
Pride of Madeira

Pride of Madeira

Echium candicans

Black-Eyed Susan

Black-Eyed Susan

Rudbeckia hirta

Rudbeckia hirta, commonly known as Black-Eyed Susan, is a flowering plant typically grown as an annual or short-lived perennial. It features daisy-like flowers with bright yellow petals surrounding a dark brown or black central cone. The plant grows upright, reaching heights of 1 to 3 feet. It is primarily an outdoor plant, valued for its vibrant blooms and ability to attract pollinators to gardens. While technically possible to grow indoors, it requires very specific and intense lighting conditions to thrive and bloom, making it challenging.

Asteraceae Eastern and Central North America
✨ Features: Attracts butterflies and bees, deer resistant, long blooming period.
📖 Read Complete Black-Eyed Susan Guide
Pride of Madeira

Pride of Madeira

Echium candicans

Pride of Madeira is a large, evergreen shrub native to the island of Madeira. It is prized for its spectacular, dense, cone-shaped flower spikes that can reach up to 50 cm (20 inches) in length. The flowers are typically a vibrant blue-purple, though pink and white varieties exist. The plant has a bushy, rounded habit and can grow quite large. It is primarily an outdoor plant, grown for its impressive floral display in gardens and landscapes. While it can be grown in containers, it requires significant space and specific conditions to thrive.

Boraginaceae Madeira Island, Portugal
✨ Features: Showy flower spikes, attracts pollinators
📖 Read Complete Pride of Madeira Guide

Quick Plant Comparison

Feature Black-Eyed Susan Pride of Madeira
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6 hours of direct sunlight per day)
Watering Outdoors: Every 3-7 days depending on weather. Indoors (not recommended): Possibly more frequent, but monitor soil moisture carefully. Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Outdoors: 30-90 cm. Indoors (unlikely): Significantly smaller, if it survives. Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand. Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly (deadheading) 30 minutes weekly (including watering, fertilizing, and pruning)

🔬 Botanical Information — Comparing These Plants

Black-Eyed Susan

Scientific Name Rudbeckia hirta
Family Asteraceae
Native To Eastern and Central North America
Also Known As Black-Eyed Susan, Brown-Eyed Susan, Gloriosa Daisy
Leaves The leaves are lance-shaped, rough in texture, and medium green in color. They are typically 2-6 inches long and arranged alternately along the stem.
Flowers Flowers are daisy-like with bright yellow petals surrounding a dark brown or black central cone. They bloom profusely throughout the summer and into the fall.

Pride of Madeira

Scientific Name Echium candicans
Family Boraginaceae
Native To Madeira Island, Portugal
Also Known As Pride of Madeira, Echium fastuosum
Leaves The leaves are lance-shaped, grey-green in color, and covered in fine, silvery-white hairs, giving them a soft, velvety texture. They are typically 10-20 cm (4-8 inches) long.
Flowers It rarely flowers indoors. Outdoors, it produces dense, cone-shaped flower spikes that are typically a vibrant blue-purple, though pink and white varieties exist. The flowers are small and tubular, packed tightly together on the spikes.

📏 Size & Growth — Plant Comparison

Black-Eyed Susan

Height Outdoors: 30-90 cm. Indoors (unlikely): Significantly smaller, if it survives.
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Upright, bushy growth habit. It forms clumps that can spread over time, but it is not considered aggressively invasive.

Pride of Madeira

Height Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Significantly smaller, typically under 1 meter (3 feet), but challenging to maintain.
Spread Outdoor: 1-2.5 meters (3-8 feet). Indoor (container): Proportionately smaller.
Growth Rate Moderate
Growth Pattern It grows as a large, rounded shrub with a bushy habit. The flower spikes emerge from the center of the plant and can reach impressive heights.

🌱 Propagation — Comparing Plant Growth

Black-Eyed Susan

Methods: Seed, Division

Difficulty: Easy

Tips: For seeds, sow directly into the garden in spring or start indoors 6-8 weeks before the last frost. For division, divide clumps in early spring or fall.

Pride of Madeira

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow in spring in well-draining soil. For stem cuttings, take semi-hardwood cuttings in late summer and root in a well-draining medium. Use rooting hormone to improve success.

✨ Benefits & Features — Comparing Plant Value

Black-Eyed Susan

The dark central cone provides a striking contrast to the bright yellow petals. It's a popular choice for attracting pollinators and is relatively deer-resistant.

  • ✓ Attracts pollinators
  • ✓ Adds vibrant color to gardens
  • ✓ Deer resistant
  • ✓ Relatively low maintenance outdoors
  • ✓ Native plant supports local ecosystems
  • ⚠️ Toxic to pets

Pride of Madeira

Its large, cone-shaped flower spikes are its most distinctive feature. The silvery-white hairs on the leaves add to its visual appeal. It's also endemic to Madeira, making it a unique plant.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Provides a stunning visual display with its vibrant flowers.
  • ✓ Adds a touch of exotic beauty to the garden.
  • ✓ Relatively drought-tolerant once established.
  • ✓ Provides habitat for beneficial insects.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Black-Eyed Susan

Repotting Not typically needed as it's often grown as an annual. If grown as a perennial, repot every 2-3 years in spring.
Pruning Deadhead spent flowers regularly to encourage more blooms. Cut back foliage in late fall after it dies back.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Deadhead spent flowers to encourage continued blooming. In colder climates, treat as an annual or provide winter protection.

Pride of Madeira

Repotting Repot every 1-2 years if grown in a container, or when the plant becomes root-bound. Choose a pot slightly larger than the current one.
Pruning Prune after flowering to maintain shape and remove spent flower spikes. Light pruning can be done throughout the year to remove dead or damaged growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost. In summer, ensure adequate watering and sun exposure. Spring and summer are the active growing and flowering seasons.

🌞 Light Requirements

Black-Eyed Susan

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

Low light tolerant: ❌ No

Pride of Madeira

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

Low light tolerant: ❌ No

💧 Watering Needs

Black-Eyed Susan

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

Pride of Madeira

Water thoroughly when the top inch of soil is dry. Avoid overwatering, as this can lead to root rot. During the growing season (spring and summer), water more frequently. Reduce watering in the fall and winter. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Black-Eyed Susan

Temperature: 18-27°C

Humidity: 30-50%

Pride of Madeira

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Black-Eyed Susan

Black-Eyed Susan

Rudbeckia hirta
Care: Expert Time: 5-10 minutes weekly (deadheading) Beginner: No

Gardeners looking to add vibrant color and attract pollinators to their outdoor spaces.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You desire a long-blooming, cheerful flower.
  • You need a deer-resistant plant.
  • You want a low-maintenance outdoor plant once established.
  • You want a native North American wildflower.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance INDOOR plant.
📍 Ideal Location: Outdoor garden, sunny border, meadow garden
🎨 Style: Cottage, Rustic, Wildflower
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Rudbeckia hirta contains glycosides that can be toxic to dogs, cats, and horses. Symptoms include dermatitis and gastrointestinal upset (vomiting, diarrhea). All parts of the plant are considered toxic.
Pride of Madeira

Pride of Madeira

Echium candicans
Care: Expert Time: 30 minutes weekly (including watering, fertilizing, and pruning) Beginner: No

Experienced gardeners in mild climates who want a spectacular flowering shrub in their garden.

✅ Choose This Plant If...

  • You live in a mild climate with plenty of sunshine.
  • You want to attract pollinators to your garden.
  • You have a large garden space to accommodate its size.
  • You appreciate dramatic floral displays.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You have limited space for a large shrub.
  • You have pets, especially horses, due to its toxicity.
  • You cannot provide full sun.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor garden or patio with full sun exposure. Not ideal for indoors.
🎨 Style: Mediterranean, Coastal, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Echium candicans as toxic to horses. Symptoms include dermatitis and photosensitization. The plant contains pyrrolizidine alkaloids, which can cause liver damage. While specific data for dogs and cats is limited, caution is advised due to the presence of these alkaloids.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Black-Eyed Susan needs full sun (at least 6-8 hours of direct sunlight daily), while Pride of Madeira prefers full sun (at least 6 hours of direct sunlight per day).

💡 Pro Tips For Comparing These Plants

Black-Eyed Susan Care Tips

Black-Eyed Susans are primarily outdoor plants that require full sun and well-draining soil. Growing them indoors is extremely challenging due to their high light requirements. They are toxic to pets. Indoor survival is unlikely without specialized grow lights and careful monitoring.

  • Provide full sun for optimal blooming.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly.
  • Water deeply but infrequently.
  • Monitor for pests and diseases.
❄️ Winter: In colder climates, cut back foliage after it dies back. Mulch around the base of the plant to provide winter protection. Consider treating as an annual in very cold regions.
☀️ Summer: Water regularly during dry spells. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases.

Pride of Madeira Care Tips

Pride of Madeira is primarily an outdoor plant and requires full sun and well-draining soil. Growing it indoors is challenging due to its need for intense light and space. It is best suited for experienced gardeners in mild climates. Toxicity to horses is a concern.

  • Provide excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize regularly during the growing season to promote abundant flowering.
  • Prune after flowering to maintain shape and encourage bushier growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost if temperatures drop below freezing. Consider moving potted plants to a sheltered location.
☀️ Summer: Ensure adequate watering during hot, dry periods. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Black-Eyed Susan

Common Issues: Powdery mildew, fungal leaf spot, aphids, spider mites
Solutions: Powdery mildew/leaf spot: Improve air circulation, use a fungicide. Aphids/spider mites: Insecticidal soap or neem oil.

Pride of Madeira

Common Issues: Root rot, Aphids, Powdery mildew, Lack of flowering (indoors)
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Treat with insecticidal soap or neem oil. Powdery mildew: Improve air circulation and treat with fungicide. Lack of flowering: Provide adequate sunlight and proper fertilization.

❓ Frequently Asked Questions — Comparing These Plants

Black-Eyed Susan

What are the light requirements for Black-Eyed Susan?

Black-Eyed Susans are sun-loving plants and require at least 6 hours of direct sunlight each day to thrive. Insufficient light can lead to leggy growth, reduced blooming, and pale foliage. 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 to ensure they get the light they need.

How do I care for Black-Eyed Susan?

Black-Eyed Susans thrive in full sun, requiring at least 6 hours of direct sunlight daily. Well-draining soil is crucial to prevent root rot; amend heavy clay soils with compost or sand. Water regularly, especially during dry periods, but avoid overwatering. Fertilize sparingly with a balanced fertilizer in the spring to encourage blooming. Deadhead spent flowers to promote continuous blooming throughout the season.

How do I propagate Black-Eyed Susan?

Black-Eyed Susans can be propagated through division or seeds.

Pride of Madeira

What are the light requirements for Pride of Madeira?

Pride of Madeira thrives in full sun, needing at least 6-8 hours of direct sunlight per day to flower prolifically. Inadequate sunlight can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place it near a south-facing window where it can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure optimal growth and flowering. Rotate the plant regularly to ensure even light exposure on all sides. Insufficient light can also lead to a weaker plant that is more susceptible to pests and diseases.

How do I care for Pride of Madeira?

Pride of Madeira requires full sun and well-drained soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize sparingly with a balanced fertilizer during the growing season (spring and summer). Prune spent flower spikes to encourage bushier growth and potential reblooming. Provide protection from frost in colder climates, either by moving potted plants indoors or covering them with frost cloth. Avoid overwatering, especially during the winter months, as this can lead to root rot. Ensure good air circulation to prevent fungal diseases. Repot young plants annually to accommodate their growth.

How do I propagate Pride of Madeira?

Pride of Madeira can be propagated by stem cuttings or seeds. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining potting mix and keep them moist. Roots should develop in 4-6 weeks. Seeds can be sown in the spring. Keep the soil moist and provide bright, indirect light. Germination can take several weeks. Division is difficult due to the plant’s structure. Keiki production is not typical for this plant.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.