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Solidago canadensis, known as Canada goldenrod or Canadian goldenrod, is an herbaceous perennial plant of the family Asteraceae. [2] It is native to northeastern and north-central North America [ 3 ] and often forms colonies of upright growing plants, with many small yellow flowers in a branching inflorescence held above the foliage.
Goldenrod often is inaccurately said to cause hay fever in humans. [26] The pollen causing this allergic reaction is produced mainly by ragweed (Ambrosia sp.), blooming at the same time as the goldenrod and pollinated by wind. Goldenrod pollen is too heavy and sticky to be blown far from the flowers, and is pollinated mainly by insects. [26]
Goldenrod is a common name for many species of flowering plants in the sunflower family, Asteraceae, commonly in reference to the genus Solidago. Several genera, such as Euthamia , were formerly included in a broader concept of the genus Solidago .
Goldenrod has heavier pollen that must be carried by a pollinator from plant to plant whereas ragweed has lighter weight pollen that is blown by the wind, causing those pesky fall allergies.
Goldenrod, the glorious fall-blooming flower, is critical for monarch butterflies as they are passing through WNC on their way to Mexico.
Here's everything you need to know about goldenrod plant care. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. For ...
Ragweed pollen can remain airborne for days and travel great distances, and can even be carried 300–400 miles (500–600 km) out to sea. [12] Ragweeds native to the Americas have been introduced to Europe starting in the nineteenth century and especially during World War I , and have spread rapidly since the 1950s. [ 15 ]
Solidago sempervirens, the seaside goldenrod [3] or salt-marsh goldenrod, [4] is a plant species in the genus Solidago of the family Asteraceae. It is native to eastern North America and parts of the Caribbean. It is an introduced species in the Great Lakes region. [5]