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Artemisia Filifolia – also known as Sand Sage, Sand Sagebrush, Old Man Sagebrush, Sand Hill Sage, Silvery Wormwood and Thread Leaf Sage

Artemisia Filifolia which is also known as Sand Sage, Sand Sagebrush, Old Man Sagebrush, Sand Hill Sage, Silvery Wormwood and Thread Leaf Sage is an evergreen perennial shrub. It is like an ornamental grass and has threadlike leaves and hence the name “Thread Leaf” sage. The stems are covered with white hairs and appear like silver and hence the name Silvery wormwood. The flowers are yellow in color and are inconspicuous. The flowers bloom late summer that is from August to September. The flowers are small and appear in terminal and in leafy plume-like heads. This shrub can grow up to a height of about 3 feet and of about same width.
This shrub is native to the western plains and the Southwest United States. It can grow on rocky and sandy soils and in hardy USDA Zone 4 and -30° F temperature. It needs full sun and grows well in well drained soils. One must periodically prune out the old stems for enhancing new growth of the shrub.
This shrub is an aromatic shrub and the fruits are brown in color with 4-5 ribbed achene. The leaves are in bundles and are alternately placed on the stem. The leaves on the upper side are lance shaped whereas the leaves on the lower side are in 3-lobes. The color of the leaves are bluish-green and hairy. The stems are in form of twigs that are in brown to grayish-brown in color. They are erect and branching. The bark exfoliates into thin shreds.
This shrub is useful for livestock and wildlife. It prevents wind erosion of sandy soils and protection to grasses on grazing sites.
Medically, it is used to treat intestinal worms and stomach problems. A decoction made out of their leaves is given to such patients for treatment.

Growing conditions/Care for Artemisia filifolia:

• Plant in a sunny location.
• It grows in zones of USDA of 4 and -30° F temperature.
• If sowing the seeds, sow in moist sterile soil and cover with fine sand and peat moss.
• This herb can also be propagated by cuttings.
• Use 3-4 inches long cuttings.
• Rooting should take place in about 4-8 weeks.
• Remove the lower leaves and on the upper side about half of leaves so that the transpiration is reduced.
• This Wormwood needs full sun to partial shade.
• Dig a hole of 6 to 8 inches to plant.
• Add 2-4 inches of compost or manure to the planting soil.
• The plant’s root ball should fit the hole.
• Keep the soil moist and for good growth water occasionally especially in hot and dry weather.
• Fertilize this wormwood using liquid or general fertilizer every spring.
• Mulch the plant around to about 2-3 inches.
• Prune the shrub periodically for encouraging new growth.
• This Wormwood can tolerate poor soil.
• Maintain high humidity to ensure proper rooting.
• This Wormwood is not affected by many diseases or pests.
• Do not keep the plant wet or soggy as it develops root rot.
• Use a well-drained medium like that of 3 parts perlite to 1 part vermiculite or a mix of 1 part potting mix to 2 or 3 parts perlite.

Images of plant, Artemisia Filifolia, as found on Google Search.

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