Globe Amaranth vs Johnny Jump Up Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Globe Amaranth
Gomphrena globosa
Globe Amaranth is an annual flowering plant known for its globe-shaped flower heads that come in various colors, including purple, pink, red, orange, and white. Typically grown outdoors, it reaches a height of 1-2 feet. The plant has an upright growth habit with oval-shaped leaves. People grow it for its long-lasting blooms, which are excellent for fresh and dried flower arrangements. It thrives in warm weather and full sun, making it a popular choice for summer gardens. While technically possible to grow indoors, it requires very bright light and consistent care to mimic its natural outdoor environment.
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 | Globe Amaranth | 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 | Every 2-3 days outdoors during hot weather; less frequently indoors (every 5-7 days) depending on light and temperature. | Every 2-3 days in warm weather, less frequently in cooler weather. Check soil moisture before watering. |
| Humidity | 40-60% | 30-50% |
| Temperature | 21-27°C | 10-24°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | 0.3-0.6 meters (indoors, typically smaller) | 15-30 cm |
| Pet Safety | ✅ Safe | ❌ Toxic To Pets |
| Soil | Well-draining soil mix, such as a blend 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 | 15 minutes weekly | 10 minutes weekly |
🔬 Botanical Information — Comparing These Plants
Globe Amaranth
| Scientific Name | Gomphrena globosa |
|---|---|
| Family | Amaranthaceae |
| Native To | Central America (Panama, Guatemala) |
| Also Known As | Globe Amaranth, Bachelor Button |
| Leaves | Oval to lance-shaped leaves, typically 2-4 inches long. They are usually green but can have a slightly reddish tinge. The leaves have a slightly rough texture. |
| Flowers | Flowers profusely outdoors in summer and fall. The flower heads are globe-shaped and come in various colors, including purple, pink, red, orange, and white. Indoor flowering is rare and requires ideal conditions. |
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
Globe Amaranth
Johnny Jump Up
🌱 Propagation — Comparing Plant Growth
Globe Amaranth
Methods: Seed
Difficulty: Easy
Tips: Sow seeds indoors 6-8 weeks before the last expected frost or directly outdoors after the danger of frost has passed. Keep the soil consistently moist until germination.
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
Globe Amaranth
Globe Amaranth's unique globe-shaped flowers retain their color and shape even when dried, making them ideal for crafts and dried flower arrangements. Unlike many annuals, it continues to bloom profusely throughout the summer with regular deadheading.
- ✓ Provides vibrant color to gardens and floral arrangements.
- ✓ Attracts pollinators like butterflies and bees.
- ✓ Flowers are excellent for drying and crafting.
- ✓ Relatively low-maintenance once established outdoors.
- ✓ Can be grown in containers for smaller spaces.
- 🐾 Pet Safe
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
Globe Amaranth
Johnny Jump Up
🌞 Light Requirements
Globe Amaranth
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
Globe Amaranth
Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow the soil to drain well after watering. Signs of underwatering include wilting leaves and dry flower heads. Overwatering can cause yellowing leaves and a mushy stem.
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
Globe Amaranth
Temperature: 21-27°C
Humidity: 40-60%
Johnny Jump Up
Temperature: 10-24°C
Humidity: 30-50%
🤔 Which Plant Is Right For You?
Globe Amaranth
Gomphrena globosaGardeners who want colorful, long-lasting blooms for fresh or dried flower arrangements in a sunny outdoor space.
✅ Choose This Plant If...
- You want vibrant, globe-shaped flowers in your garden.
- You need flowers that are excellent for drying and crafting.
- You have a sunny outdoor space with well-draining soil.
- You want to attract pollinators like butterflies and bees to your garden.
- You want a low-maintenance annual flower once established.
❌ Skip This Plant If...
- You don't have a location with full sun (at least 6 hours daily).
- You are looking for a low-maintenance indoor plant.
- You live in a climate with consistently cool or wet summers.
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
Globe Amaranth Care Tips
Globe Amaranth is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. Consistent watering and fertilization are necessary for healthy growth and abundant blooms. Proper ventilation is crucial to prevent fungal diseases.
- Provide full sun for optimal flowering.
- Water deeply but infrequently, allowing the soil to dry slightly between waterings.
- Deadhead spent flowers regularly to encourage more blooms.
- Fertilize every 2-4 weeks with a balanced liquid fertilizer.
- Protect from strong winds, which can damage the stems.
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
Globe Amaranth
Johnny Jump Up
❓ Frequently Asked Questions — Comparing These Plants
Globe Amaranth
What are the light requirements for Globe Amaranth?
Globe Amaranth requires ample sunlight to thrive and produce abundant blooms. Aim for at least 6-8 hours of direct sunlight per day. A south-facing location is ideal, providing the most intense sunlight. If growing indoors, place the plant near a sunny window or supplement with grow lights. Insufficient light can result in leggy growth, fewer flowers, and duller colors. Rotate the plant regularly to ensure even light exposure on all sides. Plants grown in partial shade may still survive, but their flowering will be significantly reduced. Consider the intensity of the sun in your region, providing some afternoon shade in extremely hot climates to prevent scorching.
How do I care for Globe Amaranth?
Globe Amaranth is relatively easy to care for, thriving in warm, sunny conditions. Plant in well-draining soil that is moderately fertile. Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot. Fertilize every 4-6 weeks with a balanced fertilizer during the growing season to encourage abundant blooms. Deadhead spent flowers to promote continuous flowering. Provide full sun, ideally 6-8 hours per day. Protect from frost, as Globe Amaranth is sensitive to cold temperatures. Space plants adequately to allow for good air circulation. Monitor for pests such as aphids or spider mites and treat accordingly. Prune lightly to maintain shape and encourage branching. Avoid overhead watering to prevent fungal diseases.
How do I propagate Globe Amaranth?
Globe Amaranth is easily propagated from seed. Sow seeds indoors 6-8 weeks before the last frost or directly outdoors after the danger of frost has passed. For stem cuttings, take a 4-6 inch cutting from a healthy plant, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in moist potting mix and keep it humid until roots develop. Division is not typically used for Globe Amaranth. Keep soil moist but not soggy. Place in a warm, sunny location. Seedlings should emerge in 7-14 days. Transplant seedlings into individual pots once they are large enough to handle. Harden off seedlings before transplanting them outdoors.
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 7, 2026 — Plant care data reviewed and verified by our editorial team.