North America Non-native Plant

Littleleaf Boxwood

Botanical name: Buxus microphylla

USDA symbol: BUMI5

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

Littleleaf Boxwood: A Compact Evergreen for Structured Gardens Looking for a well-behaved evergreen that won’t outgrow your garden bed overnight? Meet littleleaf boxwood (Buxus microphylla), a petite powerhouse that’s been winning over gardeners with its neat habits and year-round good looks. This compact shrub might just be the garden diplomat ...

Littleleaf Boxwood: A Compact Evergreen for Structured Gardens

Looking for a well-behaved evergreen that won’t outgrow your garden bed overnight? Meet littleleaf boxwood (Buxus microphylla), a petite powerhouse that’s been winning over gardeners with its neat habits and year-round good looks. This compact shrub might just be the garden diplomat you’ve been searching for – always maintaining its composure, never causing drama, and playing nicely with its neighbors.

What Makes Littleleaf Boxwood Special?

Littleleaf boxwood earns its name honestly – those tiny, glossy green leaves are genuinely small, creating a fine-textured appearance that’s quite different from its larger-leafed boxwood cousins. This evergreen shrub typically grows slowly to about 3-4 feet tall and wide, making it perfect for gardeners who prefer plants that stay put rather than stage a garden takeover.

The aesthetic appeal lies in its reliable, dense growth habit and those shiny little leaves that catch light beautifully throughout the seasons. Unlike some plants that have their awkward phase, littleleaf boxwood maintains its polished appearance year-round, making it a dependable backbone for garden design.

Where Does It Come From?

This tidy little shrub hails from East Asia, specifically Japan, Korea, and parts of China. It’s not native to North America, so while it won’t support local ecosystems the way native plants do, it’s also not known to be invasive or problematic in most areas.

Perfect Spots for Planting

Littleleaf boxwood shines in formal garden settings where structure and neat lines are valued. Here’s where it really shows off:

  • Foundation plantings around homes
  • Low hedges and borders
  • Topiary projects (if you’re feeling artistic)
  • Japanese-style gardens
  • Container gardens on patios or balconies
  • Small urban spaces where every inch counts

Growing Conditions That Make It Happy

The good news? Littleleaf boxwood isn’t particularly fussy. It adapts to both partial shade and full sun conditions, though it appreciates some afternoon shade in hot climates. Well-draining soil is essential – this plant definitely doesn’t like wet feet. Think of it as preferring a nice, comfortable moisture level rather than extremes in either direction.

If you’re in USDA hardiness zones 6-9, you’re in luck – littleleaf boxwood should thrive in your climate. In zone 6, you might want to provide some winter protection from harsh winds.

Planting and Care Made Simple

Spring and fall are your best bets for planting littleleaf boxwood. Here’s how to set it up for success:

  • Dig a hole as deep as the root ball but twice as wide
  • Place the plant at the same depth it was growing in the container
  • Backfill with native soil (no need for amendments in most cases)
  • Water thoroughly and apply 2-3 inches of mulch around the base
  • Keep consistently moist the first year while roots establish

Maintenance is refreshingly straightforward. Prune in late spring after new growth appears if you want to maintain a specific shape. Otherwise, this plant is content to grow naturally with minimal intervention.

Wildlife and Pollinator Considerations

Let’s be honest – littleleaf boxwood won’t win any awards for supporting local wildlife. Its small, inconspicuous flowers provide minimal resources for pollinators, and the dense foliage doesn’t offer much in terms of food or nesting sites for birds.

Should You Plant It?

Littleleaf boxwood is a solid choice if you need a well-behaved evergreen for structured garden areas, foundation plantings, or containers. It’s reliable, attractive, and low-maintenance – qualities that never go out of style.

However, if supporting local ecosystems is a priority, consider native alternatives like inkberry holly (Ilex glabra) in eastern regions or coffeeberry (Frangula californica) on the West Coast. These natives provide similar structure while offering food and habitat for local wildlife.

The bottom line? Littleleaf boxwood won’t revolutionize your garden, but it will provide steady, dependable beauty exactly where you plant it. Sometimes, that’s exactly what a garden needs.

Littleleaf Boxwood

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

Euphorbiales

Family

Buxaceae Dumort. - Boxwood family

Genus

Buxus L. - boxwood

Species

Buxus microphylla Siebold & Zucc. - littleleaf boxwood

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