Beck'S Water-Marigold
Bidens beckii
Last reviewed: August 2026
Toxicity unknown
Beck'S Water-Marigold (Bidens beckii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
high
Size
12"–48" H × 6"–24" W
Bloom
Jul, Aug, Sep
Native to
CT, IA, ID, IL and 17 more states
Pollinators
bees, butterflies, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Beck's water marigold is an aquatic or wetland perennial that produces bright yellow daisy-like flowers from July through September. This plant requires consistently wet conditions and is best suited for pond edges, rain gardens, or naturally soggy areas where few other plants will thrive.
In an HOA neighborhood
Beck'S Water-Marigold takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Requires specialized wet conditions unsuitable for typical landscaping
- Annual nature means gaps in coverage
- Can appear wild and unstructured
Wildlife value
The cheerful yellow blooms attract bees, butterflies, and beetles throughout the summer months. This plant provides important late-season nectar when many other flowers have finished blooming.
Common questions
- How much sun does Beck'S Water-Marigold need?
- Beck'S Water-Marigold grows best in full sun conditions.
- When does Beck'S Water-Marigold bloom?
- Beck'S Water-Marigold blooms in July, August, and September.
- Where is Beck'S Water-Marigold native?
- Beck'S Water-Marigold (Bidens beckii) is native to CT, IA, ID, IL and 17 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Beck'S Water-Marigold attract?
- Beck'S Water-Marigold draws bees, butterflies, and beetles.
- Is Beck'S Water-Marigold HOA-friendly?
- Beck'S Water-Marigold 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 World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Beck'S Water-Marigold? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz