
(Santalum freycinetianum)

Hawaiian sandalwood, ʻiliahi
Santalum freycinetianum is a species of tree in the sandalwood family, Santalaceae, that is endemic to the Hawaiian Islands. It is commonly known as ʻiliahi or Hawaiian sandalwood. The heartwood of this species is highly valued for its aromatic properties and is used in the production of incense, perfumes, and traditional Hawaiian crafts.
30-50 feet (9-15 meters)
Santalum freycinetianum prefers full sun to partial shade. It can tolerate some shade, but will grow more slowly and may not produce as much heartwood.
Santalum freycinetianum prefers moderate to high humidity levels.
Santalum freycinetianum does not require much fertilizer. A slow-release fertilizer applied once or twice a year can help promote growth.
This species does not require much pruning. It can be lightly pruned to shape or remove dead wood.
Common pests include scale insects and spider mites. Diseases are not common in this species.
N/A
This species prefers well-draining soil and moderate watering. It can tolerate drought, but will grow more slowly and may not produce as much heartwood.
This species prefers warm temperatures between 60-85°F (15-29°C). It can tolerate cooler temperatures, but will grow more slowly.
This species can be grown year-round in tropical climates.
Santalum freycinetianum is considered difficult to grow due to its slow growth rate and specific cultural requirements.
This species is not rated for USDA hardiness zones as it is only found in tropical climates.
Santalum freycinetianum is one of the rarest and most endangered tree species in Hawaii, with only a few hundred individuals remaining in the wild. It is protected by state and federal law, and the harvesting of its heartwood is strictly regulated.