Artemisia douglasiana
Mugwort
Mugwort is found at streamsides, often well above the stream in loose clumps offering soft fragrant foliage among the Roses, Wildryes and Snowberry. It is a very easy plant to grow with just a bit of moisture, they spread by underground roots and mostly die back in late summer. -Paul
Medicinal uses:
When chewed mugwort can boost energy and the nervous
system, when ingested it can be used to expel
intestinal worms and can be smoked mixed with other
herbs as a replacement for tobacco
Warning: mugwort contains Thujone, which is toxic and
can cause miscarriage or other complications if
ingested while pregnant. -Estelle

Silvery undersides of leaves mid-summer on SF Peninsula, Sweeny Ridge above Crystal Springs Resevoir among Coyote Brush.
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Growing in the shade of Bay trees in Oakland in late winter. The leaf shape varies for each population and even by the age of the plant and growth stage.
Check availability of Artemisia douglasiana at the nurseryCheck availability of Artemisia at the nursery