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Blackberry vs. Dewberry Fruit

By MJ Knoblock ; Updated July 21, 2017
small bowl of blackberries
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At a glance, dewberries are sometimes confused with blackberries, but each plant has its own unique features. In its early days, the dewberry plant was derived from the blackberry plant, but it now has about 100 varieties of its own.

Purpose

blackberry jam on toast
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Both blackberries and dewberries are edible and are mostly used in pies, jams and cobblers, but dewberries are sweeter.

Color

unripened blackberries
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Unripened berries are a deep red or burgundy. They become the darkest purple or black when they are ripe and ready to eat.

Name

dewberries on a a table
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The blackberry’s scientific name is Rubus, with about 200 species of blackberry and dewberry under this genus. You can call a dewberry a blackberry, but you cannot call a blackberry a dewberry unless that is the specific type.

Features

dewberry plant
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Dewberry plants are a perennial sub-shrub that can grow vertically only if supported by something sturdy. Most blackberry plants need minimal support.

Location

close up of blackberries
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Blackberries grow in U.S. Department of Agriculture (USDA) climate zones 3 through 7, depending on the specific type of plant. Dewberries are commonly found in zones 5 through 8. Dewberries are not grown naturally outside the United States.

Considerations

close up of growing dewberry on plant
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Dewberry plants are considered a nuisance weed by farmers. They are more likely to grow wild than blackberry plants.

 

About the Author

 

A former community newspaper reporter, columnist and photojournalist in Virginia, MJ Knoblock holds a bachelor’s degree in journalism and has been writing for more than 20 years.