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Xanthorrhoea preissii (photo courtesy of Visions BV, Netherlands)
Xanthorrhoea preissii (photo courtesy of Visions BV, Netherlands)

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Zone
Zones 12-24
Full Sun
Full
Minimal Water
Minimal

Xanthorrhoea

Grass Tree

Perennials, Trees

This Australian native produces dense tufts of narrow, grasslike, 2–4-ft.-long leaves that radiate from the top of a thick, woody, nearly black, slow-growing stem. Foliage mass stays at about 3–5 ft. tall and 3 ft. wide for many years, but as the stem gradually lengthens, the plant height eventually increases to 12–15 ft. Sometimes blooms; white flowers are borne in a dense, narrow spike on a tall stem that increases the plant’s height further. X. preissii and X. quadrangulata are similar species. Best used with yuccas or with agaves or other succulents in dry, loose, sandy soil.

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