Non-native Plants

Peking Tree Lilac

Syringa pekinensis

USDA symbol: SYPE4

perennial shrub

Lower 48 states: non-native, naturalized

If you’re searching for a small ornamental tree that packs a fragrant punch, the Peking tree lilac (Syringa pekinensis) might catch your eye. This charming member of the lilac family brings something a little different to the garden party – but before you fall head over heels for its blooms, ...

Peking Tree Lilac: A Fragrant Non-Native Beauty for Your Garden

If you’re searching for a small ornamental tree that packs a fragrant punch, the Peking tree lilac (Syringa pekinensis) might catch your eye. This charming member of the lilac family brings something a little different to the garden party – but before you fall head over heels for its blooms, let’s dig into what makes this tree tick and whether it’s the right fit for your landscape.

What Exactly Is a Peking Tree Lilac?

Don’t let the name fool you – while it’s called a tree lilac, Syringa pekinensis typically grows as a large shrub or small tree, usually staying under 13-16 feet tall. This perennial woody plant is originally from northern China and Mongolia, making it a non-native species that has found its way into American gardens. You might also see it listed under its synonym, Syringa reticulata ssp. pekinensis, but they’re the same delightful plant.

Where Does It Grow?

In the United States, you’ll find Peking tree lilac thriving in Pennsylvania, though it’s likely grown in many other states as well. This adaptable plant has naturalized in some areas, meaning it can reproduce and persist on its own without human help.

  • Species observed
  • No observations

The Good, The Beautiful, and The Fragrant

So why might you want to add this non-native beauty to your garden? Here’s what makes Peking tree lilac special:

  • Stunning spring blooms: Clusters of creamy white, incredibly fragrant flowers appear in late spring to early summer
  • Attractive bark: The bark adds winter interest with its appealing texture
  • Pollinator magnet: Bees, butterflies, and other pollinators absolutely love those fragrant blooms
  • Manageable size: Perfect for smaller landscapes where you want impact without overwhelming space
  • Hardy nature: Thrives in USDA zones 3-7, making it suitable for many regions

Growing Peking Tree Lilac Successfully

If you decide this fragrant beauty deserves a spot in your garden, here’s how to keep it happy:

Location and Conditions

  • Sunlight: Full sun to partial shade (at least 6 hours of direct sunlight for best blooming)
  • Soil: Well-drained soil is essential – this plant doesn’t like wet feet
  • Space: Allow room for its multi-stemmed growth habit

Planting and Care Tips

  • Plant in spring or fall when temperatures are moderate
  • Water regularly during the first year to establish strong roots
  • Once established, it’s quite drought tolerant
  • Minimal pruning needed – just remove dead or damaged branches
  • Mulch around the base to retain moisture and suppress weeds

Design Ideas

Peking tree lilac works beautifully as a specimen plant, small shade tree, or ornamental focal point in residential landscapes, parks, and urban settings. Its compact size makes it perfect for patios, small yards, or as an understory tree in larger landscapes.

A Word About Native Alternatives

While Peking tree lilac isn’t invasive, it’s worth considering native alternatives that provide similar benefits while supporting local ecosystems. Depending on your region, native options might include serviceberry, redbud, or native viburnums – all of which offer beautiful blooms and excellent pollinator support.

The Bottom Line

Peking tree lilac is a lovely, manageable plant that brings fragrance, beauty, and pollinator benefits to gardens. While it’s not native to North America, it’s not considered problematic either. If you’re drawn to its charms and can provide the right growing conditions, it can be a delightful addition to your landscape. Just remember to also consider native plants that could fill similar roles while supporting local wildlife and ecosystems.

Syringa pekinensis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Syringa pekinensis is also known as:

Syringa reticulata Hara ssp. pekinensis Greene & | USDA symbol: SYREP

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Scrophulariales
Family: Oleaceae Hoffmanns. & Link - Olive family
Genus: Syringa L. - lilac

Species: Syringa pekinensis Rupr. - Peking tree lilac

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA