Johnny Jump Up vs Natal Plum Plant Comparison

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

Johnny Jump Up

Johnny Jump Up

Viola tricolor

VS
Natal Plum

Natal Plum

Carissa macrocarpa

Johnny Jump Up

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.

Violaceae Europe and temperate Asia
✨ Features: Edible flowers, self-seeding, attracts pollinators
📖 Read Complete Johnny Jump Up Guide
Natal Plum

Natal Plum

Carissa macrocarpa

Carissa macrocarpa, or Natal Plum, is a dense, evergreen shrub or small tree known for its glossy, dark green leaves and fragrant, star-shaped white flowers. It produces edible, plum-like red fruits that are rich in vitamin C. While it can be grown in containers, it's primarily an outdoor plant, thriving in warm climates. People grow it for its ornamental value, edible fruit, and use as a security hedge due to its thorny branches. It's not ideally suited as an indoor plant due to high light requirements and potential size.

Apocynaceae South Africa
✨ Features: Edible fruit (when ripe), fragrant flowers, thorny branches provide a natural barrier.
📖 Read Complete Natal Plum Guide

Quick Plant Comparison

Feature Johnny Jump Up Natal Plum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive and produce fruit.
Watering Every 2-3 days in warm weather, less frequently in cooler weather. Check soil moisture before watering. Every 7-14 days, depending on environmental conditions and pot size.
Humidity 30-50% 40-60%
Temperature 10-24°C 18-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 15-30 cm Indoors: Rarely exceeds 1-2 meters. Outdoors: Up to 4 meters.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter. A slightly acidic to neutral pH (6.0-7.0) is ideal. Well-draining soil mix, such as a combination of potting soil, perlite, and sand.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly (including watering, pruning, and pest control)

🔬 Botanical Information — Comparing These Plants

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.

Natal Plum

Scientific Name Carissa macrocarpa
Family Apocynaceae
Native To South Africa
Also Known As Natal Plum, Large Num-Num
Leaves The leaves are glossy, dark green, and oval-shaped, measuring 2-5 cm in length. They are arranged oppositely on the stems and have a leathery texture.
Flowers Natal Plum produces fragrant, star-shaped white flowers in spring and summer. While it can flower indoors with sufficient light, fruit production is less common.

📏 Size & Growth — Plant Comparison

Johnny Jump Up

Height 15-30 cm
Spread 15-25 cm
Growth Rate Moderate
Growth Pattern It grows as a low-growing, spreading plant with multiple stems arising from the base. It forms a bushy clump and spreads readily through self-seeding.

Natal Plum

Height Indoors: Rarely exceeds 1-2 meters. Outdoors: Up to 4 meters.
Spread Indoors: 1-1.5 meters. Outdoors: Up to 3 meters.
Growth Rate Moderate
Growth Pattern Natal Plum grows as a dense, multi-stemmed shrub or small tree. It can be pruned into a hedge or allowed to grow naturally. Its growth is relatively upright but can spread with age.

🌱 Propagation — Comparing Plant Growth

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.

Natal Plum

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide warmth and humidity.

✨ Benefits & Features — Comparing Plant Value

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

Natal Plum

The Natal Plum is unique for its combination of fragrant flowers, edible fruit, and thorny branches. Its drought tolerance makes it a suitable choice for xeriscaping.

  • ✓ Provides edible fruit rich in Vitamin C
  • ✓ Offers fragrant flowers that attract pollinators
  • ✓ Acts as a natural security barrier due to its thorns
  • ✓ Adds an ornamental touch to gardens with its glossy foliage
  • ✓ Can be used in traditional medicine (with caution and expert knowledge)
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Johnny Jump Up

Repotting Not applicable as it's primarily an outdoor plant. If grown in containers, repot annually in spring.
Pruning Deadhead spent flowers regularly to encourage more blooms and prevent excessive self-seeding.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, ensure adequate watering and fertilization. In fall, deadhead spent flowers to encourage continued blooming. In winter, provide protection from frost in colder climates.

Natal Plum

Repotting Repot every 2-3 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and size, and to remove dead or damaged branches. Prune after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 months during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost if grown in containers. In summer, ensure adequate sunlight and water during hot periods.

🌞 Light Requirements

Johnny Jump Up

Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.

Low light tolerant: ❌ No

Natal Plum

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive and produce fruit.

Low light tolerant: ❌ No

💧 Watering Needs

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.

Natal Plum

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Johnny Jump Up

Temperature: 10-24°C

Humidity: 30-50%

Natal Plum

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Johnny Jump Up

Johnny Jump Up

Viola tricolor
Care: Expert Time: 10 minutes weekly Beginner: With-caution

Gardeners 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.
📍 Ideal Location: Outdoor garden beds, borders, containers, or window boxes.
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Viola species contain saponins, which can cause mild vomiting and diarrhea in dogs, cats, and horses if ingested. Contact dermatitis is also possible.
Natal Plum

Natal Plum

Carissa macrocarpa
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Experienced gardeners in warm climates who want an ornamental shrub with edible fruit, and who can ensure it is kept away from pets.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want an ornamental shrub with fragrant flowers and edible fruit.
  • You need a natural barrier or security hedge.
  • You are an experienced gardener looking for a new challenge.
  • You are willing to provide the specific care this plant needs.

❌ Skip This Plant If...

  • You have pets or small children due to the plant's toxicity.
  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You don't have space for a large shrub.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny location. If attempting indoors, a south-facing window with supplemental lighting is necessary.
🎨 Style: Mediterranean, Coastal, Tropical
🏠 Apartment Friendly: No
⚠️ All parts of the plant except the ripe fruit are considered toxic. Contains cardiac glycosides. Symptoms in pets include vomiting, diarrhea, weakness, and potentially more severe cardiac issues. Toxic to dogs, cats, and horses.

🎯 Quick Verdict

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

⚡ 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

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.
❄️ Winter: In colder climates, provide a layer of mulch to protect the roots from frost. Reduce watering during dormancy. In milder climates, continue to water as needed.
☀️ Summer: Provide afternoon shade in hot climates to prevent scorching. Water more frequently during dry spells. Deadhead spent flowers to encourage continued blooming.

Natal Plum Care Tips

Natal Plum is primarily an outdoor plant and requires significant sunlight to thrive. Growing it indoors is challenging due to its high light needs and potential size. It needs well-draining soil, moderate watering, and occasional fertilization. Toxicity to pets is a major concern.

  • Provide at least 6 hours of direct sunlight daily for optimal growth and fruit production.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Prune regularly to maintain shape and encourage new growth.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering frequency during winter. Protect from frost if grown in containers by moving indoors or providing insulation. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate watering during hot summer months. Provide afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support growth and fruit production.

⚠️ Common Problems & Solutions — Plant Care Comparison

Johnny Jump Up

Common Issues: Aphids, slugs, powdery mildew, root rot
Solutions: Aphids: Insecticidal soap or neem oil. Slugs: Slug bait or handpick. Powdery mildew: Fungicide or improve air circulation. Root rot: Improve drainage and reduce watering.

Natal Plum

Common Issues: Scale insects, mealybugs, root rot, lack of fruit production indoors.
Solutions: Scale/Mealybugs: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Lack of fruit: Ensure adequate sunlight and pollination.

❓ Frequently Asked Questions — Comparing These Plants

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.

Natal Plum

What are the light requirements for Natal Plum?

Natal Plum requires ample sunlight to flourish and produce its characteristic blooms and fruits. Ideally, it should receive at least 6 hours of direct sunlight per day. In regions with intense sunlight, particularly during the hottest part of the day, providing some afternoon shade can prevent leaf scorch.

How do I care for Natal Plum?

Natal Plum thrives in full sun to partial shade. Ensure at least 6 hours of sunlight daily for optimal flowering and fruit production. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Avoid overwatering, which can lead to root rot. Maintain moderate humidity, especially indoors.

How do I propagate Natal Plum?

Natal Plum can be propagated through stem cuttings. Take 4-6 inch stem cuttings from healthy, non-flowering shoots in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically occurs within 4-8 weeks.

Last updated: April 19, 2026 — Plant care data reviewed and verified by our editorial team.