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Vitis labrusca 'Concord Seedless'

Image of Vitis labrusca 'Concord Seedless'

Gerald L. Klingaman

Family

Vitaceae

Botanical Name

Vitis labrusca 'Concord Seedless'

Plant Common Name

Concord Seedless Grape, Fox Grape

General Description

Known for its delicious, seedless, deep-blue fruits, 'Concord Seedless' derives from Vitis labrusca, a hardy deciduous vine native to eastern North America. This cultivar produces bunches of firm, seedless grapes that are smaller than those of 'Concord'. Their scent and flavor are often described as having a "foxy" quality. They ripen in late summer, midway in the grape season. The fruits are "slipskin", with the outer skin freely slipping off the juicy inner flesh. Their lack of seeds makes for easy production of jams, jellies, juice, and pies. They are also good on the table. Fragrant, inconspicuous flowers precede the fruits in early summer. Like most grapes, this cultivar has attractive lobed leaves of rich green that turn burnished shades of orange and gold in fall.

Vigorous and tough, cold hardy, and producing well even in short growing seasons, 'Concord Seedless' requires less summer heat and more winter cold than European grape varieties. It needs full sun for best fruiting and prefers fertile soil that is amply drained. Unfortunately, it is inconsistent in productivity when compared to 'Concord', and in years with very warm summers, fruits may become seeded. This vine grows fast enough to cover an arch, arbor or walkway in one season. Plants must be pruned each year when dormant in winter to maximize fruit production the following growing season.

Characteristics

  • AHS Heat Zone

    9 - 2

  • USDA Hardiness Zone

    3 - 9

  • Sunset Zone

    2b, 3a, 3b, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Fruit

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    10'-25' / 3.0m - 7.6m

  • Bloom Time

    Late Spring, Early Summer, Summer

  • Native To

    Northeastern United States

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Growth Rate

    Fast

  • Water Requirements

    Average Water

  • Habit

    Vining/Climbing

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    White

  • Fruit Color

    Blue, Dark Blue, Black

  • Foliage Color (Spring)

    Green

  • Foliage Color (Summer)

    Green

  • Foliage Color (Fall)

    Orange, Gold, Bronze

  • Bark Color

    Brown, Chocolate

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    Yes

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    Yes

  • Edible Fruit

    Yes

  • Showy Foliage

    Yes

  • Foliage Texture

    Coarse

  • Foliage Sheen

    Glossy

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Bark Texture

    Exfoliating

  • Usage

    Edible, Fruit / Fruit Tree, Vine

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes