Trending: common yarrow (Achillea millefolium) — 1044 observations this week
iNaturalist Community
Phenology
Yarrow blooming in your yard or along your fence line is a free pollinator buffet — its flat-topped flower clusters are engineered to land beetles, wasps, and native bees that won't touch tubular flowers, filling a niche most garden plants leave empty.
Common yarrow is a feathery-leaved wildflower found in meadows, roadsides, and gardens across much of the world. Right now, more than a thousand people have spotted and photographed it this week alone, making it one of the most-observed plants on the planet at this moment. It's a tough, adaptable plant that blooms in early summer and attracts an enormous variety of insects.
Key Findings
1,044 research-grade observations were logged on iNaturalist in a single week, signaling peak bloom season.
Common yarrow ranks among the most observed plant species globally this week, reflecting its wide distribution across temperate regions.
The volume of citizen-science sightings confirms yarrow as a reliable early-summer phenology marker across North America and Europe.
chevron_right Technical Summary
Common yarrow is surging in observations this week, with over 1,000 research-grade sightings logged by citizen scientists on iNaturalist. This spike likely reflects peak flowering season across North America and Europe, making it one of the most-watched wild plants right now.
Abstract Preview
common yarrow is among the most observed plant species this week with 1044 research-grade observations.
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Species Mentioned
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Achillea millefolium, commonly known as yarrow or common yarrow, is a flowering plant in the family Asteraceae. Growing to 1 metre tall, it is characterized by small whitish flowers, a tall stem of fernlike leaves, and a pungent odor.