You can eat them raw in salad or bake in bread.
Seems that some species of dahlia tubers are edible and other are toxic if eaten in large quantities.
Dahlia tubers can be stored in a heated garage, crawl space or basement. Or you can choose to just buy new tubers each year.
Dahlia store food in their tubers.
They are called tubers.
To determine if dahlia tubers are good quality, look for firm, plump tubers with no signs of rot or damage. Check for healthy, well-formed eyes or growth points on the tubers. Avoid tubers that are soft, shriveled, or moldy.
You can buy them at garden centers, on the internet, or at Dahlia Society plant sales.
Dahlia tubers should be planted about 18-24 inches apart to ensure optimal growth and blooming.
Seems that some species of dahlia tubers are edible and other are toxic if eaten in large quantities.
Dahlia flowers will create seeds. You can also split the tubers or create more dahlias from cuttings.
You can buy them from flower catalogs, online gardening stores, local gardening stores, and from the Dahlia Society.
You need to store the tubers in a dry room that is about 50 degrees Fahrenheit. This is usually a heated garage or basement.
After the first killing frost, you cut the foliage off the dahlia and dig up the tubers. Bring the tubers indoors and store them at about 50 degrees Fahrenheit.