North America Native Plant

Mountain Sandalwood

Botanical name: Santalum paniculatum var. paniculatum

USDA symbol: SAPAP

Life cycle: perennial

Habit: shrub

Native status: Native to Hawaii  

Synonyms: Santalum ellipticum Gaudich. var. latifolium (A. Gray) Fosberg (SAELL)  âš˜  Santalum ellipticum Gaudich. var. luteum (Rock) O. Deg. (SAELL3)  âš˜  Santalum paniculatum Hook. & Arn. var. chartaceum O. Deg. & I. Deg. (SAPAC)   

Mountain Sandalwood: Hawaii’s Fragrant Native Treasure If you’ve ever dreamed of growing your own piece of Hawaiian paradise, mountain sandalwood (Santalum paniculatum var. paniculatum) might just capture your imagination. This native Hawaiian shrub isn’t your typical garden center find – it’s a rare and culturally significant plant that tells a ...

Rare plant alert!

Region: Conservation status by state

Status: S3T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Mountain Sandalwood: Hawaii’s Fragrant Native Treasure

If you’ve ever dreamed of growing your own piece of Hawaiian paradise, mountain sandalwood (Santalum paniculatum var. paniculatum) might just capture your imagination. This native Hawaiian shrub isn’t your typical garden center find – it’s a rare and culturally significant plant that tells a story of island heritage and natural beauty.

What Makes Mountain Sandalwood Special?

Mountain sandalwood is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in height. What sets this plant apart isn’t just its modest stature, but its incredibly fragrant heartwood that has been prized for centuries. The small, yellowish-green flowers may seem unassuming, but they give way to attractive red to purple drupes that add seasonal interest to the landscape.

Where Does It Call Home?

This Hawaiian endemic is found exclusively in the Hawaiian Islands, where it naturally grows at higher elevations. Unlike many plants that have spread far and wide, mountain sandalwood has remained true to its island roots, making it a genuine piece of Hawaiian natural heritage.

A Word of Caution: Rarity Matters

Before you start planning your sandalwood grove, there’s something important you need to know. Mountain sandalwood carries a Global Conservation Status of S3T2, which means it’s considered rare and potentially vulnerable. This isn’t just any garden plant – it’s a conservation concern that deserves our respect and protection.

If you’re interested in growing mountain sandalwood, please only source plants or seeds from reputable native plant nurseries that practice ethical propagation. Never collect from wild populations, as this could further threaten already vulnerable populations.

Garden Design and Landscape Role

When responsibly sourced, mountain sandalwood can play several roles in your landscape:

  • Specimen plant for native Hawaiian gardens
  • Cultural and historical focal point
  • Fragrant addition to xerophytic landscapes
  • Educational plant for conservation-minded gardeners

This shrub works particularly well in gardens that celebrate Hawaiian native plants or in landscapes designed to conserve water and support local ecosystems.

Growing Conditions and Care

Mountain sandalwood thrives in USDA hardiness zones 10-11, making it suitable only for tropical and subtropical climates. If you’re lucky enough to garden in these zones, here’s what your sandalwood needs:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils are absolutely essential – this plant cannot tolerate waterlogged conditions
  • Water: Drought-tolerant once established, but needs regular water while getting established
  • Growth rate: Slow-growing, so patience is key

Planting and Care Tips

Growing mountain sandalwood successfully requires attention to a few key details:

  • Ensure excellent drainage – consider raised beds or slopes if your soil tends to hold water
  • Be patient with establishment; this is not a fast-growing plant
  • Once established, avoid overwatering as this can lead to root problems
  • Protect young plants from strong winds
  • Consider the cultural significance and treat this plant with appropriate respect

Benefits for Wildlife and Pollinators

While mountain sandalwood may seem modest, its small flowers do attract various insects, contributing to the local pollinator network. As part of Hawaii’s native ecosystem, established plants can provide habitat and food sources for native species.

Should You Grow Mountain Sandalwood?

The answer depends on your commitment to conservation and your ability to source plants responsibly. If you can obtain mountain sandalwood from ethical sources and you’re gardening in an appropriate climate zone, this plant can be a meaningful addition to a native Hawaiian garden. However, given its rarity status, this isn’t a plant for casual gardeners or those looking for quick results.

Consider mountain sandalwood if you’re passionate about Hawaiian native plants, committed to conservation, and willing to provide the specific growing conditions this special plant requires. Just remember – with great plants comes great responsibility!

Mountain Sandalwood

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

Santalales

Family

Santalaceae R. Br. - Sandalwood family

Genus

Santalum L. - sandalwood

Species

Santalum paniculatum Hook. & Arn. - mountain sandalwood

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