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Bur Marigold
Bidens laevis
  
About Bur Marigold (Bidens laevis) 3 Nurseries Carry This Plant Bidens laevis is a species of flowering plant in the daisy family known by the common names bur-marigold and smooth beggarticks. It is native to the southern half of the United States, where it grows in wetlands, including estuaries and riverbanks. It is similar in appearance to its relative Bidens cernua and the two are sometimes confused. This is an annual or perennial herb growing over 20 centimeters tall and sometimes much taller, exceeding one meter in height and sometimes approaching two. The narrow lance-shaped leaves are 5 to 15 centimeters long, with finely toothed edges and pointed tips. The flower cluster bears one or more flower heads which bend down as they become heavy with fruit after flowering. Each head has a center of yellow disc florets and a fringe of 7 or 8 yellow ray florets each up to 3 centimeters long. The fruit is a sharply barbed achene.
Plant Description
Plant Type
Plant Type
Perennial herb

Size
Size
0.7 - 8 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Fast

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Summer, Fall

Wildlife Supported
 


Landscaping Information
Sun
Sun
Full Sun

Moisture
Moisture
Moderate - High

Nurseries
Nurseries

Soil Description
Soil Description
Adaptable, tolerant of sand, loam and clay

Common uses
Common uses
Butterfly Gardens

Propagation
Propagation?
For propagating by seed: No treatment.

Sunset Zones
Sunset Zones?
7, 8*, 9*, 10, 11, 12*, 14*, 15*, 16*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Natural Setting
Climate
Climate
Annual Precipitation: 3.0" - 42.3", Summer Precipitation: 0.14" - 1.53", Coldest Month: 30.1" - 57.4", Hottest Month: 61.0" - 89.3", Humidity: 0.40" - 39.89", Elevation: -190" - 6636"

Alternative Names
Common Names: Bur-marigold, Smooth Beggarticks


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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