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.

blackberry in bowl
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small bowl of blackberries

Purpose

Bread with Blackberry Jam and fruits
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blackberry jam on toast

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

Color

Blackberry
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unripened blackberries

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

Name

Blackberries
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dewberries on a a table

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

Blackberries
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dewberry plant

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

Location

Fresh blackberries
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close up of blackberries

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

Blackberry
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close up of growing dewberry on plant

Dewberry plants are considered a nuisance weed by farmers. They are more likely to grow wild than blackberry plants.