Black-Eyed Susan vs Johnny Jump Up 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.
Johnny Jump Up
Viola tricolor
Viola tricolor, commonly known as Johnny Jump Up, is a small, herbaceous annual or short-lived perennial plant. It typically grows to a height of 15-30 cm. The plant features heart-shaped leaves and charming, tri-colored flowers, usually in shades of purple, yellow, and white. It is primarily an outdoor plant, often grown in gardens, borders, and containers for its cheerful blooms and ability to self-seed readily. People grow it for its ornamental value and ease of cultivation in outdoor settings.
Quick Plant Comparison
| Feature | Black-Eyed Susan | Johnny Jump Up |
|---|---|---|
| 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 for optimal flowering. |
| Watering | Outdoors: Every 3-7 days depending on weather. Indoors (not recommended): Possibly more frequent, but monitor soil moisture carefully. | Every 2-3 days in warm weather, less frequently in cooler weather. Check soil moisture before watering. |
| Humidity | 30-50% | 30-50% |
| Temperature | 18-27°C | 10-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | Outdoors: 30-90 cm. Indoors (unlikely): Significantly smaller, if it survives. | 15-30 cm |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining soil, such as a mix of potting soil, perlite, and sand. | Well-draining, fertile soil rich in organic matter. A slightly acidic to neutral pH (6.0-7.0) is ideal. |
| Beginner Friendly | ❌ No | With Caution |
| Weekly Maintenance | 5-10 minutes weekly (deadheading) | 10 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. |
Johnny Jump Up
| Scientific Name | Viola tricolor |
|---|---|
| Family | Violaceae |
| Native To | Europe and temperate Asia |
| Also Known As | Johnny Jump Up, Heartsease, Wild Pansy, Love-in-idleness |
| Leaves | The leaves are heart-shaped to ovate, with scalloped edges. They are typically green, but can sometimes have a purplish tinge. The leaves are usually 2-5 cm long and have a slightly rough texture. |
| Flowers | It flowers profusely outdoors in spring and early summer. The flowers are typically 2-4 cm in diameter and have five petals. The petals are usually a combination of purple, yellow, and white, creating a tri-colored effect. Flowering is rare indoors. |
📏 Size & Growth — Plant Comparison
Black-Eyed Susan
Johnny Jump Up
🌱 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.
Johnny Jump Up
Methods: Seed, stem cuttings, division
Difficulty: Easy
Tips: Sow seeds directly into the garden in early spring or late summer. For cuttings, take stem cuttings in spring and root them in moist soil. Division can be done in spring or fall.
✨ 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
Johnny Jump Up
The tri-colored flowers are a distinctive feature, making it easily recognizable. It readily self-seeds, creating a naturalized look in gardens. The flowers are also edible, adding a unique touch to culinary creations.
- ✓ Adds vibrant color to gardens and containers.
- ✓ Attracts pollinators like bees and butterflies.
- ✓ Provides edible flowers for culinary use.
- ✓ Self-seeds readily, creating a naturalized look.
- ✓ Relatively low-maintenance once established.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Black-Eyed Susan
Johnny Jump Up
🌞 Light Requirements
Black-Eyed Susan
Full sun (at least 6-8 hours of direct sunlight daily)
Low light tolerant: ❌ No
Johnny Jump Up
Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
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.
Johnny Jump Up
Water regularly, especially during dry periods. Keep the soil consistently moist but not waterlogged. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaves.
🌡️ Temperature & Humidity
Black-Eyed Susan
Temperature: 18-27°C
Humidity: 30-50%
Johnny Jump Up
Temperature: 10-24°C
Humidity: 30-50%
🤔 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.
Johnny Jump Up
Viola tricolorGardeners looking for a cheerful, low-maintenance flowering plant for borders, containers, or naturalized areas.
✅ Choose This Plant If...
- You want a plant that self-seeds easily.
- You want edible flowers for culinary use.
- You want to attract pollinators to your garden.
- You want a low-maintenance plant for borders or containers.
- You want a plant that adds a splash of color to your garden in early spring.
❌ Skip This Plant If...
- You are looking for a low-light indoor plant.
- You have pets that might ingest the plant.
- You live in a very hot climate where it may struggle.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.
💡 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.
Johnny Jump Up Care Tips
Johnny Jump Ups are primarily outdoor plants and struggle indoors due to high light requirements and the need for cooler temperatures. They require consistent moisture, well-draining soil, and regular fertilization. Indoor cultivation is challenging and often results in leggy growth and reduced flowering.
- Deadhead spent flowers regularly to encourage more blooms.
- Provide well-draining soil to prevent root rot.
- Fertilize every 4-6 weeks during the growing season with a balanced liquid fertilizer.
- Protect from extreme heat by providing afternoon shade.
- Monitor for pests like aphids and slugs, and treat promptly.
⚠️ Common Problems & Solutions — Plant Care Comparison
Black-Eyed Susan
Johnny Jump Up
❓ 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.
Johnny Jump Up
What are the light requirements for Johnny Jump Up?
Johnny Jump Ups thrive in partial to full sun, requiring at least six hours of sunlight per day for optimal blooming. In hotter climates, providing some afternoon shade is beneficial to prevent scorching of the leaves and flowers. Insufficient sunlight can lead to leggy growth and reduced flowering.
How do I care for Johnny Jump Up?
Johnny Jump Ups are relatively easy to care for, making them a great choice for beginner gardeners. Plant them in well-draining soil that is rich in organic matter. Choose a location that receives partial to full sun, especially in cooler climates. Water regularly, keeping the soil consistently moist but not soggy.
How do I propagate Johnny Jump Up?
Johnny Jump Ups can be propagated through seeds, division, or stem cuttings. For seed propagation, collect seeds from dried flower heads and sow them in well-draining soil. Keep the soil moist and provide indirect light. Germination usually occurs within 1-2 weeks. For division, gently separate the root ball of a mature plant into smaller sections and replant them.
Last updated: May 16, 2026 — Plant care data reviewed and verified by our editorial team.