North America Native Plant

Claoxylon

Botanical name: Claoxylon

USDA symbol: CLAOX

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii âš˜ Native to Pacific Basin excluding Hawaii  

Claoxylon: A Pacific Native Shrub Worth Considering If you’re looking to add some Pacific Island flair to your garden, claoxylon might just be the understated native shrub you didn’t know you needed. This perennial woody plant brings a touch of tropical authenticity to landscapes while supporting local ecosystems – though ...

Claoxylon: A Pacific Native Shrub Worth Considering

If you’re looking to add some Pacific Island flair to your garden, claoxylon might just be the understated native shrub you didn’t know you needed. This perennial woody plant brings a touch of tropical authenticity to landscapes while supporting local ecosystems – though like many native plants, it tends to fly under the radar compared to flashier garden celebrities.

What Exactly is Claoxylon?

Claoxylon is a multi-stemmed shrub that typically stays manageable at under 13-16 feet tall, though it can occasionally stretch taller under the right conditions. Think of it as the reliable friend in your plant collection – not necessarily the showstopper, but dependable and authentic to its Pacific Island roots.

This perennial shrub develops several stems from near ground level, creating a naturally bushy appearance that works well in various landscape settings. While it may not have the most exciting common name (also just called claoxylon), it makes up for it with its genuine native heritage.

Where Does Claoxylon Call Home?

Here’s where things get interesting – claoxylon has a bit of a complex native story. It’s native to Hawaii and also found throughout the Pacific Basin, with confirmed populations in places like Palau. This wide Pacific distribution speaks to the plant’s adaptability across similar tropical and subtropical environments.

Why Consider Planting Claoxylon?

If you’re gardening in Hawaii or similar Pacific climates, claoxylon offers several compelling reasons to earn a spot in your landscape:

  • Authentic native status supports local ecosystems
  • Manageable size works well for most residential landscapes
  • Multi-stemmed growth habit provides natural screening
  • Perennial nature means year-round structure
  • Adapted to local climate conditions

Garden Design and Landscape Role

Claoxylon works beautifully as an understory shrub in tropical gardens or as part of native plant landscapes. Its moderate size makes it perfect for:

  • Mixed native shrub borders
  • Natural hedging or screening
  • Understory planting beneath taller native trees
  • Background plantings in tropical garden designs

The multi-stemmed growth habit creates nice texture and can help fill in those awkward middle-height spaces in landscape designs.

Growing Conditions and Care

While specific growing requirements can vary among claoxylon species, most Pacific Island natives appreciate:

  • Well-draining soil (most Pacific plants hate wet feet)
  • Partial shade to full sun exposure
  • Protection from strong winds when young
  • Regular water during establishment, then moderate moisture

These shrubs are generally suited for USDA hardiness zones 9-11, thriving in tropical and subtropical conditions. If you’re gardening outside these zones, claoxylon likely won’t survive your winters.

Planting and Maintenance Tips

Successfully establishing claoxylon is pretty straightforward if you’re in the right climate:

  • Plant during the warmer months for best establishment
  • Provide consistent moisture for the first growing season
  • Mulch around the base to retain soil moisture
  • Prune lightly to maintain desired shape
  • Watch for any pest issues, though natives are typically resilient

The Bottom Line

Claoxylon won’t win any flashy flower contests, but it offers something perhaps more valuable – authentic native character and reliable performance in Pacific Island gardens. If you’re committed to supporting native ecosystems and want a manageable shrub that actually belongs in your local landscape, claoxylon deserves consideration.

Just remember that successful native gardening often means embracing plants for their ecological value rather than just their Instagram potential. Sometimes the most rewarding garden choices are the ones that connect us more deeply to the natural heritage of our local environments.

Claoxylon

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

Euphorbiaceae Juss. - Spurge family

Genus

Claoxylon A. Juss. - claoxylon

Species

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