Black-Eyed Susan vs House Leek 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
House Leek

House Leek

Sempervivum tectorum

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
House Leek

House Leek

Sempervivum tectorum

Sempervivum tectorum, commonly known as Houseleek, is a succulent perennial forming rosettes of fleshy, pointed leaves. These rosettes, typically 2-4 inches in diameter, produce offsets or 'chicks' around the base of the 'hen' rosette, hence the name 'Hen and Chicks'. The plant is primarily grown outdoors for its drought tolerance and unique texture in rock gardens, green roofs, and containers. While it can be grown indoors, it requires very bright light and well-draining soil to thrive. It's valued for its architectural form and low-maintenance nature.

Crassulaceae Southern Europe, specifically the Alps and surrounding mountainous regions
✨ Features: Drought tolerant, attractive foliage, produces offsets.
📖 Read Complete House Leek Guide

Quick Plant Comparison

Feature Black-Eyed Susan House Leek
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily, especially when grown indoors.
Watering Outdoors: Every 3-7 days depending on weather. Indoors (not recommended): Possibly more frequent, but monitor soil moisture carefully. Every 2-4 weeks, depending on environmental conditions and pot size. Less frequent in winter.
Humidity 30-50% 20-40%
Temperature 18-27°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Slow
Max Height Outdoors: 30-90 cm. Indoors (unlikely): Significantly smaller, if it survives. 5-15 cm (2-6 inches)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of potting soil, perlite, and sand. Well-draining succulent mix (cactus mix) or a mix of potting soil, perlite, and coarse sand.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 5-10 minutes weekly (deadheading) 5 minutes weekly

🔬 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.

House Leek

Scientific Name Sempervivum tectorum
Family Crassulaceae
Native To Southern Europe, specifically the Alps and surrounding mountainous regions
Also Known As Houseleek, Common Houseleek, Hen and Chicks, Old Man and Woman
Leaves Fleshy, pointed leaves arranged in a tight rosette. Leaf color varies depending on the cultivar, ranging from green to reddish-purple. Leaves are often covered in fine hairs.
Flowers Mature plants may produce a tall stalk with clusters of small, star-shaped flowers, typically pink or reddish. Flowering is rare indoors.

📏 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.

House Leek

Height 5-15 cm (2-6 inches)
Spread Spreads via offsets to form clumps up to 30 cm (12 inches) wide.
Growth Rate Slow
Growth Pattern Forms a dense rosette of leaves, spreading slowly via offsets to create a mat-forming clump.

🌱 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.

House Leek

Methods: Offsets (chicks), Seed

Difficulty: Easy

Tips: Gently separate offsets from the mother plant and plant them in well-draining soil. Allow the cut end to callous over for a day or two before planting. Seeds can be sown in spring.

✨ 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

House Leek

The ability to produce offsets (chicks) around the mother rosette is a unique characteristic. Also, its extreme drought tolerance and ability to survive in poor soil conditions make it a standout succulent.

  • ✓ Drought tolerance reduces water consumption.
  • ✓ Unique rosette shape adds visual interest to gardens.
  • ✓ Easy propagation allows for expanding your plant collection.
  • ✓ Low maintenance saves time and effort.
  • ✓ Hardy nature ensures long-lasting beauty.
  • ⚠️ 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.

House Leek

Repotting Repot only when the plant outgrows its container or the soil becomes depleted, typically every 2-3 years.
Pruning Remove dead or damaged leaves to maintain appearance and prevent disease.
Fertilizing Light feeding with a balanced liquid fertilizer diluted to half strength once in spring.
Seasonal Care In winter, reduce watering significantly. Protect from excessive moisture if grown outdoors in wet climates. In summer, ensure adequate sunlight and ventilation.

🌞 Light Requirements

Black-Eyed Susan

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

Low light tolerant: ❌ No

House Leek

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily, especially when grown indoors.

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.

House Leek

Water thoroughly when the soil is completely dry. Overwatering can lead to root rot. Allow excess water to drain away. Signs of underwatering include shriveled leaves; overwatering presents as soft, mushy leaves.

🌡️ Temperature & Humidity

Black-Eyed Susan

Temperature: 18-27°C

Humidity: 30-50%

House Leek

Temperature: 15-27°C

Humidity: 20-40%

🤔 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.
House Leek

House Leek

Sempervivum tectorum
Care: Expert Time: 5 minutes weekly Beginner: With-caution

Gardeners in dry climates looking for low-maintenance ground cover or container plants.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a rock garden.
  • You are looking for a low-maintenance succulent.
  • You want a plant that produces offsets (chicks) for easy propagation.
  • You live in a climate with hot, dry summers.
  • You want a plant with interesting texture and form.

❌ Skip This Plant If...

  • You cannot provide at least 6 hours of direct sunlight daily.
  • You tend to overwater plants.
  • You have pets that may ingest the plant.
📍 Ideal Location: Outdoors: Rock garden, green roof, container garden. Indoors: South-facing windowsill.
🎨 Style: Rustic, Cottage, Mediterranean, Rock Garden
🏠 Apartment Friendly: Limited
⚠️ Sempervivum species contain gastrointestinal irritants. Consumption can cause vomiting, diarrhea, and abdominal pain in cats, dogs, and horses. All parts of the plant are considered 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

📈

Black-Eyed Susan has moderate growth, while House Leek grows slow.

💡 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.

House Leek Care Tips

Houseleeks are easy to care for outdoors in sunny, well-drained locations. Indoor cultivation is challenging due to high light requirements. Overwatering is a common issue. Requires very bright light and excellent drainage to thrive indoors.

  • Ensure excellent drainage to prevent root rot.
  • Provide ample sunlight, especially when grown indoors.
  • Avoid overwatering; allow the soil to dry completely between waterings.
  • Fertilize sparingly; too much fertilizer can lead to leggy growth.
  • Protect from excessive winter moisture in wet climates.
❄️ Winter: Reduce watering significantly during winter. Ensure good air circulation. Protect from excessive moisture if grown outdoors in wet climates.
☀️ Summer: Ensure adequate sunlight and ventilation during summer. Water more frequently if the plant is actively growing. Protect from intense afternoon sun in extremely hot climates.

⚠️ 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.

House Leek

Common Issues: Root rot, Aphids, Mealybugs, Lack of flowering indoors
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Remove affected plant parts. | Aphids: Spray with insecticidal soap or neem oil. | Mealybugs: Dab with a cotton swab dipped in rubbing alcohol. | Lack of flowering indoors: Provide more sunlight and cooler temperatures during the dormant season.

❓ 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.

House Leek

What are the light requirements for House Leek?

House Leeks thrive in bright, direct sunlight. Aim for at least 6 hours of sunlight per day. An east- or south-facing window is ideal for indoor plants. If natural light is insufficient, supplement with a grow light. Insufficient light can lead to etiolation, where the plant stretches and becomes leggy. Rotate the plant regularly to ensure even exposure to light.

How do I care for House Leek?

House Leeks are remarkably low-maintenance succulents. Provide them with at least 6 hours of direct sunlight daily. Plant them in well-draining soil, such as a cactus or succulent mix, to prevent root rot. Water thoroughly only when the soil is completely dry, typically every 2-4 weeks, depending on the climate and pot size. Avoid overwatering, as this is the most common cause of problems.

How do I propagate House Leek?

House Leeks are easily propagated through offsets (chicks). Gently separate the offsets from the mother plant (hen) using a clean knife or your fingers. Allow the cut ends to callous over for a few days before planting them in well-draining soil.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.