North America Non-native Plant

Nigaki

Botanical name: Picrasma quassioides

USDA symbol: PIQU3

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

Nigaki: A Lesser-Known Asian Tree Worth Considering If you’re looking for a unique small tree to add interest to your landscape, you might want to get acquainted with nigaki (Picrasma quassioides). This charming deciduous tree from East Asia doesn’t make headlines like some flashier ornamentals, but it has its own ...

Nigaki: A Lesser-Known Asian Tree Worth Considering

If you’re looking for a unique small tree to add interest to your landscape, you might want to get acquainted with nigaki (Picrasma quassioides). This charming deciduous tree from East Asia doesn’t make headlines like some flashier ornamentals, but it has its own quiet appeal that might just win you over.

What Exactly Is Nigaki?

Nigaki is a small to medium-sized deciduous tree native to Japan, Korea, and parts of China. While it may not be a household name in American gardens, this member of the quassia family has been quietly making its way into landscapes where gardeners appreciate subtlety over showiness.

The Look and Feel

Don’t expect nigaki to stop traffic with bold blooms or dramatic foliage. Instead, this tree offers understated elegance:

  • Compound leaves that create a fine-textured canopy
  • Beautiful yellow-orange fall color that adds warmth to autumn landscapes
  • Small, greenish flowers in spring (not showy, but appreciated by pollinators)
  • Bright red berries that persist into winter, providing visual interest and wildlife food
  • Typically grows 20-30 feet tall with a similar spread

Where Nigaki Shines

This tree works particularly well in:

  • Asian-inspired garden designs where authenticity matters
  • Wildlife gardens, thanks to its pollinator-friendly flowers and bird-attracting berries
  • Smaller residential landscapes where a manageable size is important
  • Mixed borders where you want year-round interest without overwhelming other plants

Growing Nigaki Successfully

The good news? Nigaki isn’t particularly fussy. Here’s what it needs to thrive:

Climate: Hardy in USDA zones 5-8, so it can handle a good range of temperatures.

Light: Adaptable to both full sun and partial shade, though it tends to have better fall color with more sun exposure.

Soil: Well-drained soil is key. It’s not picky about pH but doesn’t appreciate soggy conditions.

Water: Moderate moisture needs. Water regularly during the first year or two while it establishes, then it becomes fairly drought-tolerant.

Planting and Care Tips

  • Plant in spring after the last frost for best establishment
  • Give it room to reach its mature size – about 25 feet in each direction
  • Mulch around the base to retain moisture and suppress weeds
  • Minimal pruning needed; just remove dead or crossing branches
  • Be patient – like many trees, nigaki takes a few years to really hit its stride

The Native Plant Perspective

Here’s the thing – nigaki isn’t native to North America. While it doesn’t appear to be invasive and can provide some wildlife benefits, you might want to consider native alternatives that offer similar qualities. Trees like American hornbeam (Carpinus caroliniana) or serviceberry (Amelanchier species) provide comparable size and wildlife value while supporting local ecosystems.

That said, if you’re specifically designing an Asian-themed garden or you’ve fallen for nigaki’s particular charms, it can be a responsible choice when sourced properly and planted thoughtfully.

Wildlife and Pollinator Benefits

While nigaki may not be native, it does offer some benefits to local wildlife. The small spring flowers attract various pollinators, and the bright red berries provide food for birds during fall and early winter. It’s not going to replace the ecosystem services of native plants, but it’s not entirely without merit either.

The Bottom Line

Nigaki is one of those plants that rewards the patient gardener. It won’t give you instant gratification or jaw-dropping displays, but over time it develops into a well-mannered tree with subtle seasonal interest. If you’re drawn to its quiet beauty and can provide its basic needs, nigaki could be a worthy addition to your landscape – just remember to consider native alternatives first.

Nigaki

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Sapindales

Family

Simaroubaceae DC. - Quassia family

Genus

Picrasma Blume - picrasma

Species

Picrasma quassioides (D. Don) Benn. - nigaki

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