Black-Eyed Susan vs Ground Ivy Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Ground Ivy
Glechoma hederacea
Ground Ivy is a perennial, herbaceous plant known for its creeping growth habit. It spreads rapidly via rhizomes and stems that root at the nodes. The plant features rounded, scalloped leaves and small, funnel-shaped, bluish-purple flowers in the spring. While often considered a weed in lawns and gardens, it has a history of medicinal and culinary use. It's primarily an outdoor plant, thriving in moist, shaded areas. People sometimes grow it as a ground cover or in hanging baskets outdoors.
Quick Plant Comparison
| Feature | Black-Eyed Susan | Ground Ivy |
|---|---|---|
| Light | Full sun (at least 6-8 hours of direct sunlight daily) | Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day. |
| Watering | Outdoors: Every 3-7 days depending on weather. Indoors (not recommended): Possibly more frequent, but monitor soil moisture carefully. | Every 3-5 days, depending on environmental conditions and soil drainage. |
| Humidity | 30-50% | 40-60% |
| Temperature | 18-27°C | 10-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | Outdoors: 30-90 cm. Indoors (unlikely): Significantly smaller, if it survives. | 5-10 cm (indoors, in a hanging basket) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining soil, such as a mix of potting soil, perlite, and sand. | Well-draining, moist soil. A mix of potting soil, peat moss, and perlite is suitable. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 5-10 minutes weekly (deadheading) | 30 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. |
Ground Ivy
| Scientific Name | Glechoma hederacea |
|---|---|
| Family | Lamiaceae |
| Native To | Europe and Asia |
| Also Known As | Ground Ivy, Creeping Charlie, Gill-over-the-ground, Alehoof |
| Leaves | Rounded or kidney-shaped leaves with scalloped edges. Leaves are typically green, but can have a purplish tinge in colder weather. The leaves are about 2-3 cm in diameter and have a slightly hairy texture. |
| Flowers | Rarely flowers indoors. Outdoors, it produces small, funnel-shaped, bluish-purple flowers in the spring. |
📏 Size & Growth — Plant Comparison
Black-Eyed Susan
Ground Ivy
🌱 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.
Ground Ivy
Methods: Stem cuttings, Division, Seed
Difficulty: Easy
Tips: Stem cuttings root easily in water or directly in moist soil. Division can be done in spring or fall. 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
Ground Ivy
Ground Ivy is known for its rapid spreading growth and its historical use in brewing and herbal medicine. Its scalloped leaves and small purple flowers add a unique texture to gardens.
- ✓ Provides ground cover in shaded areas.
- ✓ Historically used in herbal medicine (with caution).
- ✓ Offers a unique texture and appearance to gardens.
- ✓ Can be used in hanging baskets for a trailing effect.
- ✓ Attracts pollinators to the garden (outdoors).
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Black-Eyed Susan
Ground Ivy
🌞 Light Requirements
Black-Eyed Susan
Full sun (at least 6-8 hours of direct sunlight daily)
Low light tolerant: ❌ No
Ground Ivy
Partial shade to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Low light tolerant: ✅ Yes
💧 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.
Ground Ivy
Keep the soil consistently moist, but not waterlogged. Overwatering can lead to root rot. Allow the top inch of soil to dry out slightly before watering again. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and a musty smell.
🌡️ Temperature & Humidity
Black-Eyed Susan
Temperature: 18-27°C
Humidity: 30-50%
Ground Ivy
Temperature: 10-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Black-Eyed Susan
Rudbeckia hirtaGardeners 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.
Ground Ivy
Glechoma hederaceaExperienced gardeners looking for a challenging indoor project or those wanting a ground cover for shaded outdoor areas.
✅ Choose This Plant If...
- You enjoy a challenge and have experience with finicky plants.
- You have a shaded outdoor area where you need ground cover.
- You are interested in the historical uses of plants.
- You are willing to commit to regular pruning and maintenance.
- You can provide the specific humidity and moisture requirements.
❌ Skip This Plant If...
- You have pets that might ingest the plant.
- You are a beginner gardener.
- You don't have a consistently moist and shaded environment.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Black-Eyed Susan has moderate growth, while Ground Ivy grows fast.
💡 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.
Ground Ivy Care Tips
Ground Ivy is primarily an outdoor plant and can be challenging to grow indoors due to its need for consistent moisture and specific light conditions. It's an aggressive spreader and requires regular pruning to control its growth. Maintaining proper humidity and preventing pests are also crucial for indoor success.
- Ensure excellent drainage to prevent root rot.
- Provide consistent moisture, but avoid overwatering.
- Prune regularly to control its aggressive growth.
- Monitor for pests and diseases and treat promptly.
- Provide adequate shade to prevent leaf scorch.
⚠️ Common Problems & Solutions — Plant Care Comparison
Black-Eyed Susan
Ground Ivy
❓ 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.
Ground Ivy
What are the light requirements for Ground Ivy?
Ground Ivy prefers bright, indirect light. 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 north-facing window can also work, but the plant may grow more slowly. If you only have south or west-facing windows, place the plant a few feet away from the window to avoid direct sun exposure. Variegated varieties may need slightly more light to maintain their vibrant colors. Insufficient light can lead to leggy growth and a loss of variegation. Rotate the plant regularly to ensure even light exposure on all sides.
How do I care for Ground Ivy?
Ground Ivy thrives in bright, indirect light but can tolerate lower light conditions. Water when the top inch of soil feels dry, ensuring good drainage to prevent root rot. A well-draining potting mix is essential. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Provide support such as a trellis or moss pole if you want it to climb, or let it trail freely from a hanging basket or shelf. Maintain moderate humidity levels. Protect from frost and extreme temperatures. Monitor for pests such as aphids or spider mites and treat promptly. Repot in spring if the plant becomes root-bound. Good air circulation is important to prevent fungal diseases.
How do I propagate Ground Ivy?
Ground Ivy is easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Place the cutting in water or directly into moist potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop within a few weeks. For layering, bend a stem down to the soil surface and bury a section of the stem while it is still attached to the mother plant. Keep the soil moist. Once roots have formed, sever the layered stem from the mother plant and transplant it into a separate pot. Both methods are best done in spring or summer.
Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.