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 Weather Station

Products > Artemisia arborescens
Artemisia arborescens - Large Wormwood

Habit and Cultural Information
Category: Shrub
Family: Asteraceae (Sunflowers)
Origin: Mediterranean (Europe)
Evergreen: Yes
Flower Color: Yellow
Bloomtime: Spring
Height: 4-6 feet
Width: 4-6 feet
Exposure: Full Sun
Summer Dry: Yes
Deer Tolerant: Yes
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: 25-30 F
Artemisia arborescens (Large Wormwood) - A quick-growing dense, evergreen shrub to 4 to 6 feet tall by as wide with soft, white to silvery gray-green foliage that is deeply divided and with clusters of inconspicuous dull yellow flowers that appear in late spring. Plant in full sun to light shade in a well-draining soil and only an occasional deep watering once established. It is tolerant of a wide variety of cultural conditions including heat, drought, wind, salt air, and is cold hardy to at least 18 F (remains evergreen and no tip damage to 25 F). This is a great large plant for adding a contrasting color to the garden. It is a much bigger plant than the popular Artemisia 'Powis Castle', which we also grow and has larger and whiter leaves with more rounded lobes. Artemisia arborescens is native to rocky areas along the coasts of Portugal, Spain, France, Italy and Greece. The name for the genus likely honors Artemisia II of Caria, a botanist and medical researcher who died in 350 BC but whose name came from the Greek goddess Artemis, whom the Romans called Diana. The specific epithet means "woody" or "tree-like" in reference to this plants larger stature than most other plants in the genus. Large Wormwood, also called Tree Wormwood, Shrubby Wormwood, Shiva and Sheeba (Arabic), has been cultivated for its essential oil that is used in perfumes, soaps, insect repellant and with mint as a medicinal tea that is thought to calm digestive distress, but this practice should only be considered under supervision of a healthcare practitioner. We first got this plant in 1986 from Ray Walsh at his Wildwood Nursery in Upland, California and have grown it since 1988.  The information on this page is based on the research that we have conducted about this plant in the San Marcos Growers library, from what we have found on reliable online sources, as well as from observations made of our crops of this plant growing in the nursery and of plants growing in the nursery's garden and those in other gardens where we may have observed it. We also have incorporated comments received from others and welcome getting feedback from those who may have additional information, particularly if this information includes cultural information that would aid others in growing Artemisia arborescens.