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Grassland beggarticks

Bidens micrantha

Also called Beggarticks

Grassland beggarticks
Photo: Forest & Kim Starr, CC BY 3.0

Bidens micrantha, known as grassland beggarticks or kōʻokoʻolau, is a native Hawaiian shrub in the daisy family that forms clumps several feet tall with yellow flower heads. Sources describe it as a wild species of Hawaiian habitats; it is not a common garden plant, so care notes below are general guidance for related Bidens.

Family
Asteraceae (Daisy family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established; allow soil to dry between waterings.
Soil
Well-drained, sandy or gritty mix; tolerates poor soil.
Temperature
15–30 °C; protect below 5 °C.
How easy
Moderate
Native range
Hawaiian Is. (Maui)

About

Bidens micrantha is a species of flowering plant in the aster family known by the common name grassland beggarticks. It is endemic to the Hawaiian Islands, where it and other Bidens species are known as kōʻokoʻolau. It occurs in many types of habitat on Lānaʻi, Maui, and Hawaiʻi, including rocky cliffs, dry forests, mesic forests, wet forests, and high shrublands.

Subspecies

Other Bidens plants

Bidens acrifolia · Bidens acuticaulis · Romerillo · Kokolau · Vancouver Island beggarticks · Bearded beggarticks · Arizona beggarticks · Beck's water-marigold · Delmarva beggarticks · Bigelow's beggarticks · Spanish needles · Bidens cabopulmensis

Text excerpted from the Wikipedia article Bidens micrantha by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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