Photo by Melody

PlantFiles: Tickseed Sunflower, Bur Marigold, Swamp Beggarticks, Bearded Beggarticks
Bidens aristosa

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Bidens (BY-denz) (Info)
Species: aristosa (a-ris-TOE-suh) (Info)

Synonym:Bidens aristosa var. fritcheyi
Synonym:Bidens aristosa var. mutica
Synonym:Bidens aristosa var. retorsa
Synonym:Bidens involucrata

2 vendors have this plant for sale.

4 members have or want this plant for trade.

Category:
Annuals
Biennials
Perennials

Height:
36-48 in. (90-120 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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By Alphie
Thumbnail #1 of Bidens aristosa by Alphie

By melody
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By melody
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By melody
Thumbnail #4 of Bidens aristosa by melody

By melody
Thumbnail #5 of Bidens aristosa by melody

Profile:

1 positive
3 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral frostweed On Jan 5, 2007, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Tickseed Sunflower, Bur Marigold, Swamp Beggarticks, Bearded Beggarticks Bidens aristosa is Native to Texas and other States.

Neutral raisedbedbob On Feb 4, 2006, raisedbedbob from Walkerton, VA (Zone 7a) wrote:

They are known around here as Beggar's Lice, and they are as commaon as pig tracks. My wife loves them as cut flowers. My Airedale Terrier loves to nibble me as I attempt to remove the "Lice" from her coat.

Positive melody On Jan 3, 2005, melody from Benton, KY (Zone 7a) wrote:

One of the most attractive and cheerful sights along the roadways and fencerows each fall. These sunny yellow blooms clump in great waves wherever they are allowed to grow. Cattle won't graze them ,so they are a common pasture resident also.

The stickery little seeds attach themselves to animal fur and are transported to other locations with ease.

Neutral lupinelover On Jan 25, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:

This may be a very appreciated wildflower to grow in a meadow. Thoreau said of it "It is a splendid yellow...Full of the sun." Birds and butterflies really go for it too.

Regional...

This plant has been said to grow in the following regions:

Burr Ridge, Illinois
Benton, Kentucky
Brookeville, Maryland
Valley Lee, Maryland
Marietta, Mississippi
Williamsburg, Ohio



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