Is Solidago canadensis invasive?

Solidago canadensis was introduced to Europe in 1645 and to China in 1930. Throughout Europe and East Asia it is now considered an invasive weed, and in some localities it is a threat to biodiversity (Global Invasive Species Database, as cited by Discover Life 2011).

Is Solidago canadensis edible?

The flowers are edible and make attractive garnishes on salads. Flowers and leaves (fresh or dried) are used to make tea. Leaves can be cooked like spinach or added to soups, stews or casseroles, and can also be blanched and frozen for later use in soups, stews, or stir fry throughout the winter or spring.

Is Solidago canadensis poisonous?

Poisoning by white snakeroot and rayless goldenrod is historically sporadic because of the considerable variation in the quantity of the tremetol present in the plants in different locations and growing conditions. Toxicity is highest in the green plant, but dried plants remain toxic.

Where does Solidago canadensis grow?

It is native to North America (throughout Canada and the U. S., except absent from South Carolina, Georgia, Florida, Alabama, Louisiana and Hawaii). It is mostly found growing in moist conditions on abandoned farmlands, pastures, fields, thickets, prairies, waste areas and along roadsides.

How do you control goldenrod?

The new sprouts of Canada Goldenrod can be treated in spring when they are 3-4 inches tall using a broadleaf herbicide, such as Triclopyr (Lontrel, Garlon 3-A, Garlon 4 with crop oil). This will kill much of the clone, but not all, as the timing of the application is not ideal for overall effectiveness.

What is goldenrod herb good for?

Goldenrod is used to reduce pain and swelling (inflammation), as a diuretic to increase urine flow, and to stop muscle spasms. It is also used for gout, joint pain (rheumatism), arthritis, as well as eczema and other skin conditions.

Will goldenrod take over my garden?

Because most goldenrod species are North American natives, they aren’t usually described as invasive. But many are extremely aggressive spreaders that can take over a garden and naturalize into surrounding areas with ease.