Spanish Needles (Bidens bipinnata)

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Plant Height: 24 inches
Plant Spread: 24 inches
Leaves: Evergreen
Semi-evergreen
Deciduous
Other: dependent on zone of growth
Flowers: Showy
Flower Color: Yellow
Flower Time: Spring
Late spring or early summer
Summer
Late summer or early fall
Fall
Late fall or early winter
Other: bloom time dependent upon zone of growth
Suitable Locations: Xeriscapic
Uses: Groundcover
Will Naturalize
Wildlife Attractant: Bees
Butterflies
Propagation: Seeds: Sow in situ
Other info: may be a noxious weed & can be terribly invasive
Propagation: Other methods: Cuttings: Stem
Layering
Pollinators: Various insects
Containers: Suitable in 1 gallon
Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image

 Bidens: Native Wildflower or Weed? Bidens: Native Wildflower or Weed?
October 20, 2014

"A weed is but an unloved flower.” ~ Ella Wheeler Wilcox, author and poet, 1850 - 1919

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Comments:
Posted by farmerdill (Augusta Georgia - Zone 8a) on Sep 12, 2014 2:41 PM

One of the more painful of the hitchhiking plants. In the fall, clusters of two-pronged needle-like seeds stick to anything that walks by, and they are sharp. Painful to both animals and people. Grows wild in fields and in borders between woodland and fields. It hosts the larva of several butterflies and moths and is valued by folks who like this feature.

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