Solidago canadensis (Canada Goldenrod)
|Also known as:||Tall Goldenrod|
|Habitat:||sun; fields, along roads, open woods|
|Bloom season:||July - October|
|Plant height:||2 to 5 feet|
|Wetland Indicator Status:||GP: FACU MW: FACU NCNE: FACU|
|MN county distribution (click map to enlarge):|
|National distribution (click map to enlarge):|
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Note: this species account is being rewritten. The “Canada Goldenrod complex” in Minnesota consists of Solidago canadensis , S. altissima , S. gigantea (and related S. missouriensis and S. juncea ). These will be eventually be done as a group when we're sure we have them all nailed. Take the county distribution map with a large grain of salt—the herbarium records are from a time when S. canadensis and S. altissima were considered the same species and someone (a glutton for punishment, no doubt) still needs to review the actual specimens and separate them out. Thanks for your patience!
Flowers are in plume-shaped spikes branching off the top of the plant, the flowers growing on just one side of a stem. Individual flowers are less than ¼ inch across, with 10 to 17 yellow petals (ray flowers).
Leaves and stem:
There can be wide variations in characteristics, but generally, leaves are to 6 inches long and 1 inch wide, tapering to a point at the tip and narrowing at the base, with no leaf stem and small teeth around the edges. There are 3 veins running parallel from near the base of the leaf. The underside of the leaf is hairy, especially along the veins and the upper side has a rough texture. The main stem has lines of fine short hairs in the upper part of the plant; the lower part of the stem may be smooth or hairy.
Canada Goldenrod grows almost anywhere and can form large colonies, crowding out other plants and creating something of a monoculture. Which just goes to show that just because it's native doesn't necessarily mean it's desirable.
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Photos taken at Long Lake Regional Park, New Brighton, MN September 2006 and August-September 2007
Have you seen this plant in Minnesota, or have any other comments about it?