North America Non-native Plant

Pterostyrax Hispidus

Botanical name: Pterostyrax hispidus

USDA symbol: PTHI3

Native status: Not native but doesn't reproduce and persist in the wild

Pterostyrax hispidus: A Fragrant Asian Beauty for Your Garden Ever heard of Pterostyrax hispidus? Don’t worry if you haven’t – this charming tree from Asia isn’t exactly a household name, but it’s definitely worth getting acquainted with. Sometimes called the Fragrant Epaulette Tree, this delightful specimen brings a touch of ...

Pterostyrax hispidus: A Fragrant Asian Beauty for Your Garden

Ever heard of Pterostyrax hispidus? Don’t worry if you haven’t – this charming tree from Asia isn’t exactly a household name, but it’s definitely worth getting acquainted with. Sometimes called the Fragrant Epaulette Tree, this delightful specimen brings a touch of exotic elegance to temperate gardens with its cascading clusters of sweetly scented white flowers.

What Makes This Tree Special?

Pterostyrax hispidus is like that friend who quietly steals the show without trying too hard. Native to China and Japan, this deciduous tree puts on quite the performance in late spring to early summer when it produces drooping clusters of small, fragrant white flowers that look like delicate bells dancing in the breeze. The flowers aren’t just pretty to look at – they smell absolutely divine and attract bees and other beneficial pollinators to your garden.

The tree typically grows to about 20-30 feet tall with a similar spread, making it perfect for medium-sized landscapes. Its oval leaves provide nice summer shade and turn pleasant yellow tones in fall, though it’s really the spring flower show that makes this tree memorable.

Where Does It Fit in Your Garden?

Think of Pterostyrax hispidus as the perfect specimen tree for those spots where you want something special but not overwhelming. It works beautifully as:

  • A focal point in mixed borders
  • Part of a woodland garden setting
  • A shade tree for smaller yards
  • An addition to pollinator-friendly landscapes

Since it’s not native to North America, you might also consider native alternatives like American basswood (Tilia americana) or serviceberries (Amelanchier species) if you’re focusing on supporting local ecosystems.

Growing Conditions and Care

The good news is that Pterostyrax hispidus isn’t particularly fussy once established. Here’s what it prefers:

  • Sunlight: Partial shade to full sun (though it appreciates some afternoon shade in hot climates)
  • Soil: Moist, well-draining soil that’s slightly acidic to neutral
  • Water: Regular watering, especially during dry spells
  • Climate: Hardy in USDA zones 5-8

Planting and Care Tips

Getting your Pterostyrax hispidus off to a good start is pretty straightforward:

  • Plant in spring or fall when temperatures are mild
  • Dig a hole twice as wide as the root ball but no deeper
  • Water deeply after planting and maintain consistent moisture the first year
  • Apply a 2-3 inch layer of mulch around the base (but keep it away from the trunk)
  • Minimal pruning needed – just remove any dead or crossing branches

The Bottom Line

Pterostyrax hispidus is one of those delightful discoveries that makes gardening so rewarding. While it may not be native to our shores, it’s well-behaved, beautiful, and brings something unique to the garden party. If you’re looking for a medium-sized tree with fragrant flowers and easy-going nature, this Asian beauty might just be worth a spot in your landscape. Just remember to source it from reputable nurseries and consider pairing it with native plants to create a diverse, ecosystem-friendly garden.

Whether you’re a seasoned gardener looking for something new or a beginner wanting a reliable flowering tree, Pterostyrax hispidus offers that perfect blend of exotic appeal and manageable care that makes gardening such a joy.

Pterostyrax Hispidus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Ebenales

Family

Styracaceae DC. & Spreng. - Storax family

Genus

Pterostyrax Siebold & Zucc.

Species

Pterostyrax hispidus Siebold & Zucc.

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