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Artemisia Leaved Chaenactis
Chaenactis artemisiifolia
  
About Artemisia Leaved Chaenactis (Chaenactis artemisiifolia) 3 Nurseries Carry This Plant Chaenactis artemisiifolia is a species in the Asteraceae (Sunflower) family known by the common name White Pincushion. It is native from the coast to the coastal mountain ranges of southern California and Baja California. This is a robust annual herb producing an erect stem occasionally as tall as two meters but usually under one meter in height. There is a basal rosette of leaves and sparse leaves along the stem. The leaves are up to about 15 centimeters or more in length and they are divided into many lobes which are further subdivided into smaller, lacy lobes. The leaves and stem are lightly woolly; older plants have thinner coats of hair. The stem branches about midway up and bears several flower heads in a wide open flower cluster. Each head is a hairy hemispheric cup of sharp-tipped phyllaries which can be up to a centimeter long. The flower heads are discoid, containing only disc florets, but some of them are flat enough to resemble ray florets or petals. The florets are white to pink. The anthers and curly styles protrude far from each floret, making the flower head look like a pincushion. The fruit is a compressed achene about half a centimeter long with no pappus. This species is not frequently seen in gardens but is useful for restoration projects.
Plant Description
Plant Type
Plant Type
Annual herb

Size
Size
1 - 6.6 ft tall

Flower Color
Flower Color
White, Pink

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 
Butterflies & moths hosted ( 4 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun

Moisture
Moisture
Very Low

Summer Irrigation
Summer Irrigation
Max 1x / month once established

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Cold Tolerance
Cold Tolerance
Tolerates cold to 15° F

Soil Drainage
Soil Drainage
Fast, Medium, Slow

Soil Description
Soil Description
Adaptable

Common uses
Common uses
Bird Gardens

Companion Plants
Companion Plants
Use with other annuals, perennials and shrubs of coastal southern California, such as Coyote Brush (Baccharis pilularis), Sweetbush (Bebbia juncea), Buckwheat (Eriogonum sp.), California Poppy (Eschscholzia californica), Lupine (Lupinus sp.), Matilija Poppy (Romneya coulteri or trichocalyx), Sage (Salvia sp.), and various cactus species

Propagation
Propagation?
By seed

Natural Setting
Site Type
Site Type
Openings in chaparral or coastal sage scrub, disturbed places

Climate
Climate
Annual Precipitation: 3.8" - 43.0", Summer Precipitation: 0.15" - 2.95", Coldest Month: 37.6" - 55.7", Hottest Month: 63.1" - 86.5", Humidity: 0.99" - 37.94", Elevation: 4" - 6112"

Alternative Names
Common Names: White Pincushion


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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