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Marsh Beggarticks

Bidens trichosperma

Last reviewed: June 2026

Marsh Beggarticks (Bidens trichosperma)
Photo: Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute. / Wikimedia Commons (Public domain)

Light

full sun

Water

medium

Size

12"–48" H × 6"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, DE and 25 more states

Pollinators

bees, butterflies, beetles

Bidens trichosperma, commonly known as tickseed sunflower, produces bright yellow daisy-like flowers from summer through fall. This native annual grows 1-4 feet tall and thrives in full sun with moderate water needs. The cheerful blooms provide excellent late-season color when many other plants are fading.

In an HOA neighborhood

Marsh Beggarticks takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Can appear weedy and unkempt to untrained eyes
  • Seeds readily and may spread beyond intended areas
  • Dies back completely in winter leaving bare spots

Wildlife value

This plant is a pollinator magnet, attracting bees, butterflies, and beetles with its abundant nectar-rich flowers. The seeds also provide food for songbirds in late fall and winter.

Common questions

How much sun does Marsh Beggarticks need?
Marsh Beggarticks grows best in full sun conditions.
When does Marsh Beggarticks bloom?
Marsh Beggarticks blooms in July, August, and September.
Where is Marsh Beggarticks native?
Marsh Beggarticks (Bidens trichosperma) is native to AL, AR, CT, DE and 25 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Marsh Beggarticks attract?
Marsh Beggarticks draws bees, butterflies, and beetles.
Is Marsh Beggarticks HOA-friendly?
Marsh Beggarticks takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Marsh Beggarticks? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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