Flowering Plum vs Hungarian Lilac Plant Comparison

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

Flowering Plum

Flowering Plum

Prunus cerasifera

VS
Hungarian Lilac

Hungarian Lilac

Syringa josikaea

Flowering Plum

Flowering Plum

Prunus cerasifera

Prunus cerasifera, commonly known as the Flowering Plum or Cherry Plum, is a deciduous tree typically grown for its ornamental value, particularly its profuse display of pink or white flowers in early spring before the leaves emerge. It typically reaches a height of 15-25 feet. The tree has a rounded crown and often features reddish-purple foliage, although green-leaved varieties exist. It is primarily an outdoor tree, valued for its early spring blooms and attractive foliage. While it can be grown in a container, it will not thrive indoors and requires outdoor conditions to survive long-term.

Rosaceae South-eastern Europe and Western Asia
✨ Features: Early spring blooms, attractive foliage, ornamental fruit
📖 Read Complete Flowering Plum Guide
Hungarian Lilac

Hungarian Lilac

Syringa josikaea

The Hungarian Lilac is a deciduous shrub or small tree typically growing to a height of 8-12 feet with a similar spread. It features upright, oval to lance-shaped, dark green leaves. In late spring to early summer, it produces fragrant, tubular, lilac-purple flowers in dense panicles. It is primarily grown as an ornamental plant for its attractive foliage and fragrant blooms. It is naturally an outdoor plant and does not thrive indoors.

Oleaceae Carpathian Mountains of Central and Eastern Europe
✨ Features: Fragrant flowers, attracts pollinators
📖 Read Complete Hungarian Lilac Guide

Quick Plant Comparison

Feature Flowering Plum Hungarian Lilac
Light Full sun (at least 6 hours of direct sunlight daily) Full sun to partial shade
Watering Every 1-2 weeks, depending on weather and soil drainage Once or twice a week, depending on weather and soil drainage.
Humidity 30-50% 30-50%
Temperature 10-25°C 15-27°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height N/A (Outdoor tree, not suitable for indoor growing) Not applicable indoors, typically 8-12 feet outdoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining loamy soil Well-draining, loamy soil with a slightly acidic to neutral pH (6.0-7.0)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (pruning, pest control) 30 minutes weekly during growing season

🔬 Botanical Information — Comparing These Plants

Flowering Plum

Scientific Name Prunus cerasifera
Family Rosaceae
Native To South-eastern Europe and Western Asia
Also Known As Flowering Plum, Cherry Plum, Myrobalan Plum
Leaves The leaves are typically oval to elliptical in shape, with a serrated margin. The color varies depending on the cultivar, ranging from green to reddish-purple. They are usually 2-4 inches long.
Flowers The Flowering Plum produces abundant small, single or double flowers in early spring. The flowers are typically pink or white and are about 1 inch in diameter. They are rarely seen indoors due to the plant's outdoor nature.

Hungarian Lilac

Scientific Name Syringa josikaea
Family Oleaceae
Native To Carpathian Mountains of Central and Eastern Europe
Also Known As Hungarian Lilac
Leaves Opposite, simple, oval to lance-shaped leaves, 5-12 cm long, dark green in color with a smooth texture.
Flowers Does not flower indoors. Outdoors, it produces fragrant, tubular, lilac-purple flowers in dense panicles in late spring to early summer.

📏 Size & Growth — Plant Comparison

Flowering Plum

Height N/A (Outdoor tree, not suitable for indoor growing)
Spread N/A (Outdoor tree, not suitable for indoor growing)
Growth Rate Moderate
Growth Pattern The Flowering Plum typically grows as a small to medium-sized deciduous tree with a rounded crown. It has an upright growth habit and can reach a height of 15-25 feet.

Hungarian Lilac

Height Not applicable indoors, typically 8-12 feet outdoors
Spread Not applicable indoors, typically 8-12 feet outdoors
Growth Rate Moderate
Growth Pattern Upright, multi-stemmed shrub or small tree with a rounded crown.

🌱 Propagation — Comparing Plant Growth

Flowering Plum

Methods: Seed, softwood cuttings, budding, grafting

Difficulty: Moderate

Tips: Take softwood cuttings in late spring or early summer. Grafting is often used to propagate specific cultivars.

Hungarian Lilac

Methods: Stem cuttings, layering, seed

Difficulty: Moderate

Tips: Take softwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in well-draining soil. Keep the soil moist and provide indirect light. Layering involves bending a low-growing branch to the ground and covering it with soil until roots form.

✨ Benefits & Features — Comparing Plant Value

Flowering Plum

The Flowering Plum is known for its early spring blooms, often appearing before the leaves emerge, creating a stunning display of color. The reddish-purple foliage of many cultivars adds further ornamental interest throughout the growing season.

  • ✓ Provides early spring blooms, adding color to the landscape
  • ✓ Attracts pollinators to the garden
  • ✓ Offers shade during the summer months
  • ✓ Enhances the aesthetic appeal of the yard
  • ✓ Can provide edible fruit (depending on the variety)
  • ⚠️ Toxic to pets

Hungarian Lilac

Hungarian Lilac is known for its tolerance of wetter soils compared to other lilac species. Its fragrant flowers and attractive foliage make it a popular ornamental shrub.

  • ✓ Fragrant flowers enhance the garden's sensory appeal.
  • ✓ Attracts pollinators, supporting local ecosystems.
  • ✓ Provides visual interest with its foliage and blooms.
  • ✓ Relatively low-maintenance once established.
  • ✓ Can be used as a privacy screen or hedge.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Flowering Plum

Repotting N/A (Outdoor tree, not suitable for indoor growing)
Pruning Prune in late winter or early spring to remove dead or damaged branches and to shape the tree.
Fertilizing Balanced fertilizer (10-10-10) in early spring
Seasonal Care In winter, protect young trees from frost damage. In spring, fertilize and prune as needed. In summer, monitor for pests and diseases. In fall, remove fallen leaves to prevent disease.

Hungarian Lilac

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune after flowering to remove spent blooms and maintain shape. Remove any dead or crossing branches.
Fertilizing Balanced slow-release fertilizer in early spring. Avoid over-fertilizing.
Seasonal Care In spring, fertilize and prune after flowering. In summer, water regularly during dry periods. In fall, mulch around the base of the plant. In winter, protect from harsh winds.

🌞 Light Requirements

Flowering Plum

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

Hungarian Lilac

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Flowering Plum

Water deeply when the top few inches of soil are dry. Avoid overwatering, which can lead to root rot. Check soil moisture regularly, especially during hot weather. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

Hungarian Lilac

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and a musty smell.

🌡️ Temperature & Humidity

Flowering Plum

Temperature: 10-25°C

Humidity: 30-50%

Hungarian Lilac

Temperature: 15-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Flowering Plum

Flowering Plum

Prunus cerasifera
Care: Expert Time: 30 minutes monthly (pruning, pest control) Beginner: No

Gardeners looking for a beautiful spring-blooming ornamental tree for their landscape.

✅ Choose This Plant If...

  • You want a tree that blooms early in the spring, providing a burst of color after winter.
  • You appreciate ornamental trees with attractive foliage, especially purple or reddish hues.
  • You have a sunny location in your yard where a small to medium-sized tree can thrive.
  • You are willing to provide the necessary outdoor care, including pruning and pest control.
  • You want a tree that attracts pollinators like bees and butterflies to your garden.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You have pets that might ingest parts of the tree, as it is toxic to them.
  • You do not have a sunny outdoor space to accommodate its growth requirements.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure
🎨 Style: Traditional, Cottage Garden
🏠 Apartment Friendly: No
⚠️ All parts of the Flowering Plum tree, including the stems, leaves, and seeds, contain cyanogenic glycosides, which can be toxic to dogs, cats, and horses. Symptoms of poisoning include dilated pupils, difficulty breathing, and vomiting. The ASPCA lists this plant as toxic.
Hungarian Lilac

Hungarian Lilac

Syringa josikaea
Care: Expert Time: 30 minutes weekly during growing season Beginner: No

Gardeners with outdoor space who want a fragrant, flowering shrub.

✅ Choose This Plant If...

  • You want a fragrant shrub for your garden.
  • You need a plant that attracts pollinators.
  • You have well-draining soil and plenty of sunlight.
  • You want a lilac that is more tolerant of wet conditions than other varieties.
  • You are looking for a relatively low-maintenance shrub.

❌ Skip This Plant If...

  • You do not have outdoor space.
  • You are looking for an indoor plant.
  • You have pets that might ingest the plant.
  • You have poorly draining soil.
  • You cannot provide full sun.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure.
🎨 Style: Traditional, Cottage Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, lilacs contain syringin, a glycoside. While the toxicity is considered low, ingestion can cause mild gastrointestinal upset such as vomiting, diarrhea, and nausea in dogs, cats, and horses. All parts of the plant are considered toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Flowering Plum needs full sun (at least 6 hours of direct sunlight daily), while Hungarian Lilac prefers full sun to partial shade.

📈

Flowering Plum has moderate growth, while Hungarian Lilac grows moderate.

💡 Pro Tips For Comparing These Plants

Flowering Plum Care Tips

Flowering Plum is an outdoor tree and is not suitable for indoor growing. It requires full sun, well-draining soil, and regular watering. It is also toxic to pets. Attempting to grow it indoors will likely result in a stressed and unhealthy plant.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Fertilize in early spring with a balanced fertilizer.
  • Prune annually to remove dead or damaged branches and to shape the tree.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Reduce watering during the dormant season.
☀️ Summer: Monitor for pests and diseases. Water deeply during dry spells. Provide shade during extremely hot weather.

Hungarian Lilac Care Tips

Hungarian Lilac is an outdoor shrub that requires full sun and well-draining soil. It is not suitable for indoor growing due to its size and light requirements. Attempting to grow it indoors will likely result in a weak, leggy plant that does not flower.

  • Plant in well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Prune after flowering to encourage new growth.
  • Fertilize in early spring with a balanced fertilizer.
  • Water deeply during dry periods.
❄️ Winter: Mulch around the base of the plant to protect the roots from freezing temperatures. Avoid pruning in late fall or winter.
☀️ Summer: Water regularly during dry periods. Provide shade during the hottest part of the day in extremely hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Flowering Plum

Common Issues: Aphids, spider mites, bacterial leaf spot, plum curculio
Solutions: Treat aphids and spider mites with insecticidal soap. Prune affected branches to control bacterial leaf spot. Use appropriate insecticides for plum curculio.

Hungarian Lilac

Common Issues: Powdery mildew, leaf spot, lilac borer
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Leaf spot: Remove affected leaves and apply a fungicide. Lilac borer: Prune infested branches and apply an insecticide.

❓ Frequently Asked Questions — Comparing These Plants

Flowering Plum

What are the light requirements for Flowering Plum?

Flowering Plums, when grown indoors, require bright, indirect light to thrive and bloom properly. Insufficient light can lead to leggy growth and a lack of flowering. A south- or east-facing window is ideal, but be cautious of direct sunlight, which can scorch the leaves. If direct sun is unavoidable, diffuse the light with a sheer curtain.

How do I care for Flowering Plum?

Caring for a Flowering Plum as an indoor tree requires consistent attention to its specific needs. Provide bright, indirect light, preferably near a south- or east-facing window. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Use a well-draining potting mix formulated for trees or shrubs.

How do I propagate Flowering Plum?

Flowering Plums can be propagated through stem cuttings or air layering.

Hungarian Lilac

What are the light requirements for Hungarian Lilac?

Hungarian Lilac requires at least 6 hours of direct sunlight per day to thrive and produce abundant blooms. A location with full sun exposure is ideal. If planted in partial shade, it may still survive, but flowering will be significantly reduced. Morning sun is preferable to intense afternoon sun in hotter climates. Ensure the plant is not overshadowed by taller trees or buildings that could block sunlight. If light is limited, consider relocating the plant or pruning surrounding vegetation to improve light penetration. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Hungarian Lilac?

Hungarian Lilac thrives in full sun (at least 6 hours daily) and well-drained soil. Water deeply but infrequently, allowing the soil to dry slightly between waterings. Fertilize in early spring with a balanced fertilizer, or one formulated for flowering shrubs, to encourage abundant blooms. Prune immediately after flowering to remove spent flower heads and maintain shape; avoid pruning later in the season as you risk removing next year’s flower buds. Mulch around the base of the plant to retain moisture and suppress weeds. Ensure good air circulation to prevent fungal diseases. Protect young plants from harsh winter winds. Regularly inspect for pests and diseases, and treat promptly if necessary. Proper care ensures healthy growth and profuse flowering.

How do I propagate Hungarian Lilac?

Hungarian Lilac can be propagated through several methods. Division: Carefully dig up a mature plant and separate the root ball into smaller sections, ensuring each section has healthy roots and shoots. Replant the divisions in well-drained soil. Stem Cuttings: Take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the cuttings moist and in a humid environment until roots develop. Keiki (not applicable): Hungarian Lilac does not produce keikis. These methods ensure new plants that are genetically identical to the parent plant. Monitor for pests and diseases during propagation.

Last updated: May 10, 2026 — Plant care data reviewed and verified by our editorial team.