Common Tansy Tanacetum vulgare
Common Tansy is an introduced, invasive plant, native to Europe and Asia. Leaves are arranged alternatively, finely compound. Flowers are button-like and yellow, blooming in mid August. Leaves and flowers are toxic.
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Taxonomy
Flores > Asterales > Asteraceae
Names in different Languages
German | Rainfarn |
English | Common Tansy |
French | Tanaisie |
Spanish | Tanaceto, Tansi |
How to Identify
The button-like, yellow flowers are the best characteristic to identify this flower.
Where When to Spot
It is an invasive plant and can be seen blooming in almost every park along pathways in mid, end August.
Spring | Summer | Fall | Winter | |
---|---|---|---|---|
Belvédère Outremont | 0 | 1 | 0 | 1 |
Champ des Possibles | 0 | 4 | 0 | 0 |
Parc Bernard-Landry | 0 | 0 | 1 | 0 |
Parc de la Frayère | 0 | 1 | 0 | 0 |
0 | 6 | 1 | 1 |
Number of times a species has been observed, identified, and recorded. A species is reported only once per visit to a park.
Photos of Common Tansy

Videos of Common Tansy
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Bumble Bees (Genus Bombus) - Collecting Nectar
Recorded: 2022-08-14 - Published: 2022-10-04 - Duration: [06:40] -
Honey Bees (Genus Apis) - Collecting Nectar
Recorded: 2022-08-14 - Published: 2022-08-16 - Duration: [06:41]
You can watch these videos and many more on Muuuh's YouTube Channel.