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Californian Amaranth
Amaranthus californicus
About Californian Amaranth (Amaranthus californicus) 0 Nurseries Carry This Plant Amaranthus californicus is a species of flowering plant in the amaranth family known by the common name California amaranth. It is a glabrous monoecious annual that is native to most of the western United States and Canada. The plant grows from 10 to 50 centimeters tall. It is found in moist flats or near bodies of water, and blooms from summer to fall.
Plant Description
Plant Type
Plant Type
Annual herb

0.33 - 1.6 ft tall


Growth Rate
Growth Rate

Flower Color
Flower Color

Flowering Season
Flowering Season

Wildlife Supported

Landscaping Information
Soil Description
Soil Description
Prefers loamy or clay soils. Grows poorly in sandy soils.

Natural Setting
Annual Precipitation: 3.4" - 68.2", Summer Precipitation: 0.14" - 2.70", Coldest Month: 26.9" - 59.4", Hottest Month: 51.1" - 88.2", Humidity: 0.32" - 39.30", Elevation: 4" - 9086"

Alternative Names
Common Names: California Amaranth, California Pigweed

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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