General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 7a -17.8 °C (0 °F) to -15 °C (5 °F)
Plant Height: 1-4 feet
Plant Spread: usually 8-12 inches, but tall plants can be 2-3 feet
Leaves: Evergreen
Semi-evergreen
Deciduous
Other: dependent on zone it's growing in
Flowers: Showy
Flower Color: White
Flower Time: Spring
Late spring or early summer
Summer
Late summer or early fall
Fall
Late fall or early winter
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Suitable as Annual
Wildlife Attractant: Bees
Butterflies
Propagation: Seeds: Sow in situ
Propagation: Other methods: Cuttings: Tip
Layering
Pollinators: Hoverflies
Bees
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Spanish Needles
  • Romerillo
  • Shepherd's Needles
  • Common Beggarticks
  • Butterfly Needles
  • Pitchfork Weed

Photo Gallery
Location: Thomasville, GA USA
Date: 2019-05-23
Location: my garden in Dawsonville, GA
Date: 2021-10-05
Wildflower growing in my meadow; blooms in autumn

White Peacock butterfly

Cassius Blue butterfly
Location: Daytona Beach, Florida
Date: 2014-04-26

Common Buckeye butterfly
Location: my garden in Dawsonville, GA
Date: 2021-10-06

American Painted Lady butterfly
Location: zone 8 Lake City, Fl.
Date: 2014-09-29
Location: zone 8 Lake City, Fl.
Date: 2014-09-23
Photo by poisondartfrog

Gray Hairstreak butterfly
Location: Sao Vicente - Madeira
Date: 2023-04-10
Location: Northeastern, Texas
Date: 2016-09-27
#Pollination

Monarch butterfly
Location: Northeastern, Texas
Date: 2016-05-18
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21

Zebra Longwing butterfly

Tropical Checkered Skipper butterfly

Great Southern White butterfly

Dainty Sulphur butterfly.  This is their host plant but also serv
Location: Sao Vicente - Madeira
Date: 2023-04-10
Location: Sao Vicente - Madeira
Date: 2023-04-10
Location: zone 8 North Central, Fl.
Date: 2017-11-19
Location: Lutz, FL
Date: 2015-09-27
Growing in front of my house between plumbago and porterweed.

Date: August
credit: Prenn

Date: January
credit: Prenn

Duskywing butterfly

Skipper butterfly

Skipper butterfly
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21
Photo by mellielong

Phaeon Crescent butterfly

Long-Tailed Skipper butterfly

Checkered White butterfly
Location: Lutz, FL
Date: 2015-11-05
Location: Marianna, Florida panhandle
Date: 2017-05-09
Location: Marianna, Florida panhandle
Date: 2017-05-10
Location: Sao Vicente - Madeira
Date: 2023-04-10
Location: zone 8 Lake City, Fl.
Date: 2014-09-29
Location: Northeastern, Texas
Date: 2017-04-14
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21
underside of leaves
Location: zone 8/9 Lake City, Fl.
Date: 2011-12-21
Location: z
Date: 2011-12-21
This plant is tagged in:
Image

Comments:
  • Posted by plantladylin (Sebastian, Florida - Zone 10a) on Apr 27, 2014 11:36 AM concerning plant:
    Bidens pilosa is a perennial that grows everywhere here in Florida. It's a profuse re-seeder and I find it popping up in my flower beds every year. To most gardeners this plant is considered a weed to be immediately removed while others consider it a beautiful wildflower that attracts many butterflies and bees to the garden. The seeds resemble black needles with barbed hooks at the ends. Seeds are dispersed by the wind as well as by attaching themselves to clothing or fur as people and animals brush against them. Bidens pilosa produces thousands of seeds that remain viable for up to 5 years so if you don't want a mass of these plants in your garden it's best to dig them out before they set seed.
  • Posted by Mindy03 (Delta KY) on Oct 20, 2011 5:50 PM concerning plant:
    Honey bees get nectar from this plant

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