Johnny Jump Up vs Lilac Vine 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
Lilac Vine

Lilac Vine

Hardenbergia violacea

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
Lilac Vine

Lilac Vine

Hardenbergia violacea

Hardenbergia violacea, commonly known as Lilac Vine, is a vigorous, evergreen climbing plant native to Australia. It features attractive, dark green, leathery leaves and produces masses of pea-like flowers in shades of purple, lilac, pink, or white during the spring. While primarily an outdoor plant, it is sometimes grown indoors, though it requires very bright light and ample support for its climbing habit. People grow it for its beautiful flowers and ability to quickly cover fences or trellises.

Fabaceae Australia
✨ Features: Attractive flowers, vigorous growth, ability to cover fences or trellises quickly.
📖 Read Complete Lilac Vine Guide

Quick Plant Comparison

Feature Johnny Jump Up Lilac Vine
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal flowering. Full sun to partial shade outdoors. Indoors, requires very bright, direct sunlight for at least 6 hours a day.
Watering Every 2-3 days in warm weather, less frequently in cooler weather. Check soil moisture before watering. Outdoors: Every 1-2 weeks depending on rainfall. Indoors: Every 7-10 days, allowing the soil to dry slightly between waterings.
Humidity 30-50% 40-60%
Temperature 10-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 15-30 cm Outdoors: Up to 6 meters. Indoors: Up to 2 meters (with support).
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 potting mix. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly Outdoors: 30 minutes weekly. Indoors: 1 hour weekly.

🔬 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.

Lilac Vine

Scientific Name Hardenbergia violacea
Family Fabaceae
Native To Australia
Also Known As Lilac Vine, Purple Coral Pea, Happy Wanderer
Leaves The leaves are dark green, lance-shaped, and leathery, typically 5-10 cm long. They are arranged alternately along the stems and have a smooth texture.
Flowers Outdoors, it produces abundant pea-like flowers in spring. Indoors, flowering is less reliable and requires very bright light. The flowers are typically purple or lilac, but pink and white varieties are also available.

📏 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.

Lilac Vine

Height Outdoors: Up to 6 meters. Indoors: Up to 2 meters (with support).
Spread Outdoors: Up to 3 meters. Indoors: Up to 1 meter (with pruning).
Growth Rate Fast
Growth Pattern It is a climbing vine that grows rapidly, twining around supports with its stems. It can also spread as a ground cover if not provided with vertical support.

🌱 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.

Lilac Vine

Methods: Seed, Stem cuttings, Layering

Difficulty: Moderate

Tips: Take stem 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 indirect light. Seeds require scarification before sowing.

✨ 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

Lilac Vine

Hardenbergia violacea is known for its vigorous growth and ability to quickly cover large areas. Its pea-like flowers come in various shades of purple, lilac, pink, and white, adding a splash of color to the garden. It is also relatively drought-tolerant once established.

  • ✓ Provides beautiful floral display in spring.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Can quickly cover unsightly fences or walls.
  • ✓ Offers a touch of Australian native flora to your garden.
  • ✓ Can be grown in containers on patios or balconies.
  • ⚠️ 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.

Lilac Vine

Repotting Repot every 1-2 years in spring if grown in a container, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and control size. Remove any dead or damaged growth.
Fertilizing Balanced liquid fertilizer (e.g., 20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Spring: Fertilize and prune after flowering. Summer: Water regularly and protect from intense heat. Autumn: Reduce watering. Winter: Provide minimal watering and protect from frost.

🌞 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

Lilac Vine

Full sun to partial shade outdoors. Indoors, requires very bright, direct sunlight for at least 6 hours a day.

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.

Lilac Vine

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Reduce watering during the winter months. Outdoors, established plants are relatively drought-tolerant. Indoors, monitor soil moisture carefully.

🌡️ Temperature & Humidity

Johnny Jump Up

Temperature: 10-24°C

Humidity: 30-50%

Lilac Vine

Temperature: 15-25°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.
Lilac Vine

Lilac Vine

Hardenbergia violacea
Care: Expert Time: Outdoors: 30 minutes weekly. Indoors: 1 hour weekly. Beginner: No

Experienced gardeners who want a flowering vine for outdoor spaces and are willing to provide the specific conditions needed for indoor growth.

✅ Choose This Plant If...

  • You want a fast-growing vine to cover a fence or trellis quickly.
  • You appreciate the beautiful lilac or purple flowers in spring.
  • You have a sunny outdoor space with well-draining soil.
  • You are an experienced gardener looking for a challenging indoor plant.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a very bright, sunny location indoors.
  • You are a beginner gardener.
  • You don't want a plant that requires regular pruning.
  • You live in a climate with harsh winters.
📍 Ideal Location: Outdoors: Sunny garden or patio with a trellis or fence. Indoors: South-facing window with ample sunlight.
🎨 Style: Cottage, Natural, Bohemian
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Hardenbergia violacea is toxic to dogs, cats, and horses. The toxic principle is unknown, but symptoms include vomiting and diarrhea.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Johnny Jump Up has moderate growth, while Lilac Vine grows fast.

💡 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.

Lilac Vine Care Tips

Lilac Vine is primarily an outdoor plant and requires expert care to thrive indoors. It needs very bright light, well-draining soil, and regular pruning to control its vigorous growth. Maintaining adequate humidity and preventing pests are also crucial for indoor success.

  • Provide a sturdy support structure for the vine to climb.
  • Ensure excellent drainage to prevent root rot.
  • Prune regularly to maintain shape and control growth.
  • Fertilize during the growing season to promote flowering.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months. Protect from frost in colder climates. Provide bright, indirect light if grown indoors.
☀️ Summer: Water regularly during the summer months, especially during hot and dry periods. Provide some shade during the hottest part of the day to prevent leaf scorch.

⚠️ 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.

Lilac Vine

Common Issues: Aphids, Spider mites, Root rot, Lack of flowering indoors
Solutions: Aphids/Spider mites: Treat with insecticidal soap or neem oil. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Provide sufficient light and fertilize regularly during the growing season.

❓ 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.

Lilac Vine

What are the light requirements for Lilac Vine?

Lilac Vine flourishes in full sun to partial shade. Ideally, it should receive at least six hours of direct sunlight daily for optimal flowering. In hotter climates, afternoon shade is beneficial to prevent leaf scorch. Insufficient light can result in leggy growth, reduced flowering, and pale foliage. When grown indoors, place the vine near a sunny window or supplement with artificial grow lights. Rotate the plant regularly to ensure even light exposure. Southern or western-facing windows are generally best. Observe the plant’s growth and adjust its position as needed to ensure it receives adequate light.

How do I care for Lilac Vine?

Lilac Vine thrives in well-draining soil and prefers a sunny to partially shaded location. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Prune after flowering to maintain shape and encourage bushier growth. Provide a sturdy support structure like a trellis, fence, or wall for the vine to climb. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Monitor for pests and diseases, addressing any issues promptly. Mulch around the base of the plant to retain moisture and suppress weeds. Ensure good air circulation to prevent fungal diseases. Deadhead spent flowers to encourage further blooming. Protect from frost in colder climates. Regular inspection and preventative care are key to a thriving Lilac Vine.

How do I propagate Lilac Vine?

Lilac Vine can be easily propagated through stem cuttings or layering. For stem cuttings, take 4-6 inch cuttings from healthy stems in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining potting mix and keep them moist. Roots should develop in a few weeks. For layering, bend a low-growing stem to the ground and bury a portion of it in the soil. Secure it with a rock or landscape pin. Once roots have formed, sever the layered stem from the parent plant and transplant it. Both methods offer a reliable way to expand your collection or share with friends. Keep the cuttings or layers in a humid environment to encourage root development.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.