Hackberry vs Johnny Jump Up Plant Comparison

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

Hackberry

Hackberry

Celtis occidentalis

VS
Johnny Jump Up

Johnny Jump Up

Viola tricolor

Hackberry

Hackberry

Celtis occidentalis

The Common Hackberry is a medium to large deciduous tree, typically reaching 50-70 feet in height, though it can grow taller. It has a distinctive warty bark and an asymmetrical crown. The leaves are ovate with serrated edges. Hackberries are primarily outdoor trees, valued for their tolerance of urban conditions, including pollution and poor soil. They produce small, berry-like drupes that are attractive to birds and other wildlife. While adaptable, they are not suited for indoor cultivation due to their size and high light requirements.

Cannabaceae Eastern and Central North America
✨ Features: Attracts birds and butterflies, provides shade, tolerant of urban conditions.
📖 Read Complete Hackberry Guide
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

Quick Plant Comparison

Feature Hackberry Johnny Jump Up
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering Once a week during the growing season (adjust based on rainfall and soil drainage) Every 2-3 days in warm weather, less frequently in cooler weather. Check soil moisture before watering.
Humidity 30-50% 30-50%
Temperature 10-30°C 10-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not applicable for indoor growing. Outdoors: 50-70 feet (15-21 meters) 15-30 cm
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining soil; adaptable to various soil types, including clay, loam, 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 monthly (primarily for pruning and monitoring for pests/diseases) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Hackberry

Scientific Name Celtis occidentalis
Family Cannabaceae
Native To Eastern and Central North America
Also Known As Common Hackberry, Northern Hackberry, American Hackberry, Nettletree, Sugarberry
Leaves Ovate to lanceolate leaves, 2-5 inches long, with serrated edges. The upper surface is dark green and smooth, while the underside is paler and slightly hairy. Leaves turn yellow in the fall.
Flowers Inconspicuous greenish flowers appear in spring, typically not noticeable.

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

Hackberry

Height Not applicable for indoor growing. Outdoors: 50-70 feet (15-21 meters)
Spread Not applicable for indoor growing. Outdoors: 30-50 feet (9-15 meters)
Growth Rate Moderate
Growth Pattern Upright, spreading tree with a rounded or irregular crown. Branches can be somewhat pendulous, especially in older trees.

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.

🌱 Propagation — Comparing Plant Growth

Hackberry

Methods: Seed, cuttings, grafting

Difficulty: Moderate

Tips: Seeds require stratification (cold treatment) for several months to break dormancy. Cuttings should be taken from semi-hardwood in summer.

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

Hackberry

Hackberry has distinctive warty bark and asymmetrical crown. The berries provide food for wildlife, especially birds, during the winter months. It is highly adaptable to various soil types and urban conditions.

  • ✓ Provides shade and cooling during hot weather
  • ✓ Attracts birds and other wildlife to the garden
  • ✓ Tolerates a wide range of soil conditions
  • ✓ Requires minimal maintenance once established
  • ✓ Adds visual interest to the landscape with its unique bark and berries.
  • 🐾 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

Hackberry

Repotting Not applicable for outdoor trees.
Pruning Prune to remove dead, damaged, or crossing branches. Shape the tree for desired form.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring before new growth begins. Avoid over-fertilizing.
Seasonal Care In winter, protect young trees from deer browsing. In summer, ensure adequate watering during dry periods. Prune in late winter or early spring.

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.

🌞 Light Requirements

Hackberry

Full sun (at least 6 hours of direct sunlight per day)

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

Hackberry

Water deeply when the top few inches of soil are dry. Established trees are drought-tolerant. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell in the soil. Underwatering results in wilting and leaf drop.

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

Hackberry

Temperature: 10-30°C

Humidity: 30-50%

Johnny Jump Up

Temperature: 10-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Hackberry

Hackberry

Celtis occidentalis
Care: Expert Time: 15 minutes monthly (primarily for pruning and monitoring for pests/diseases) Beginner: No

Landowners seeking a hardy, adaptable shade tree that attracts wildlife.

✅ Choose This Plant If...

  • You need a hardy shade tree for a large outdoor space
  • You want to attract birds and butterflies to your yard
  • You have poor soil conditions where other trees struggle
  • You live in an urban environment with pollution
  • You want a relatively low-maintenance tree once established.

❌ Skip This Plant If...

  • You are looking for an indoor plant
  • You have a small yard or limited space
  • You prefer evergreen trees.
📍 Ideal Location: Outdoor planting in a sunny location with ample space.
🎨 Style: Natural, Traditional, Landscaped
🏠 Apartment Friendly: No
⚠️ The ASPCA does not list Hackberry (Celtis) as toxic to dogs, cats, or horses.
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.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Hackberry ✓
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

Hackberry Care Tips

Hackberries are outdoor trees and are not suitable for indoor growing. They require full sun, well-draining soil, and adequate space to grow. Indoor attempts will likely fail due to insufficient light and space.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply during the first year to establish a strong root system.
  • Protect young trees from deer browsing with fencing or tree guards.
  • Prune regularly to remove dead or damaged branches and maintain shape.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from deer browsing. Mulch around the base of the tree to insulate the roots.
☀️ Summer: Water deeply during dry periods, especially for young trees. 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.
❄️ 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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Hackberry

Common Issues: Nipple gall, powdery mildew, witches' broom, aphids
Solutions: Nipple gall: Generally harmless, no treatment needed. Powdery mildew: Improve air circulation, apply fungicide if severe. Witches' broom: Prune affected branches. Aphids: Insecticidal soap or neem oil.

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.

❓ Frequently Asked Questions — Comparing These Plants

Hackberry

What are the light requirements for Hackberry?

Hackberry prefers bright, indirect light. Insufficient light can lead to leggy growth and pale leaves. Place your Hackberry near an east- or west-facing window where it can receive several hours of gentle sunlight. Avoid direct sunlight, especially during the hottest part of the day, as this can scorch the leaves. If you don’t have access to sufficient natural light, consider supplementing with a grow light. Rotate your Hackberry regularly to ensure even light exposure on all sides. Observe your tree for signs of light stress, such as yellowing or browning leaves, and adjust its placement accordingly.

How do I care for Hackberry?

Hackberry thrives in bright, indirect light; avoid direct sunlight. Water thoroughly when the top inch of soil is dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry months. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 2-3 years, or when the tree becomes root-bound, using a well-draining potting mix. Prune regularly to maintain shape and remove any dead or damaged branches. Protect from drafts and sudden temperature changes. Monitor for pests, such as spider mites or aphids, and treat promptly with insecticidal soap. Provide good air circulation to prevent fungal diseases. Maintain stable conditions for best growth.

How do I propagate Hackberry?

Hackberry can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist and humid. For air layering, make a small incision on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it tightly. After a few weeks, roots will begin to form in the moss. Once the roots are well-developed, cut the stem below the rooted section and plant it in a pot. Provide consistent moisture and humidity for both methods.

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: April 22, 2026 — Plant care data reviewed and verified by our editorial team.