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Rubus abbrevians

Blanchard

Vermont Blackberry

Rosaceae Edible: Fruit
Has a deadly poisonous lookalike — see comparison below

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Wikimedia Commons - naturalist charlie

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President and Fellows of Harvard College

gbif· cc0

President and Fellows of Harvard College

A deciduous shrub with hermaphroditic flowers pollinated by insects. Grows in light sandy, medium loamy, or heavy clay soils, preferring well-drained conditions. Tolerates mildly acidic to basic pH, semi-shaded or fully sunny locations, and prefers moist soil.

Description

A deciduous shrub with hermaphroditic flowers pollinated by insects. Grows in light sandy, medium loamy, or heavy clay soils, preferring well-drained conditions. Tolerates mildly acidic to basic pH, semi-shaded or fully sunny locations, and prefers moist soil.

Edible Uses

The fruit can be eaten raw or cooked and has a sweet taste.

Medicinal Uses

None known.

Distribution

It is a temperate plant.

Where It Grows

North America, USA,

Cultivation

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of the country. This species is a naturally occurring hybrid in N. America, its parentage involves R. glandicaulis. It is closely related to. and possibly part of R. pensylvanicus. The following notes are based on the general needs of the genus. Easily grown in a good well-drained loamy soil in sun or semi-shade. Plants in this genus are notably susceptible to honey fungus.

Propagation

Seed requires stratification and is best sown in early autumn in a cold frame. Stored seed needs one month stratification at about 3°c and should be sown as early as possible in the year. Prick out seedlings when large enough to handle and grow on in a cold frame, then plant out into permanent positions in late spring of the following year. Cuttings of half-ripe wood can be taken in July/August in a frame. Tip layering in July, planting out in autumn. Division can be done in early spring or just before leaf-fall in autumn.

Other Uses

A purple to dull blue dye is obtained from the fruit.

Notes

There are about 250-700 Rubus species.

Dangerous Lookalikes

This plant can be confused with the following toxic species. Always verify identification carefully before consuming any wild plant.

DEADLY

Red Baneberry

Actaea rubra

Walter Siegmund (talk)

Safe

Vermont Blackberry

Rubus abbrevians

Wikimedia Commons - naturalist charlie

Red Baneberry: Short herbaceous plant (no thorns), berries on thick red stems, each berry has a single seed, compound sharply-toothed leaves.

Vermont Blackberry: Thorny woody canes (brambles), aggregate berry made of many drupelets, berries pull easily from receptacle.

References (1)

  • Plants for a Future database, The Field, Penpol, Lostwithiel, Cornwall, PL22 0NG, UK. http://www.scs.leeds.ac.uk/pfaf/

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