Clark Gold blackberry variety

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Thorny cultivar with yellow fruit, light yellow-green canes and leaves

Originated from a cross of

Originated from a cross of Natural mutation of wild blackberry

Plants are

Plants are thorny

Bushes have

Bushes have trailing canes


Berries have a rounded shape

Fruiting habit

Fruiting habit - floricane fruiting (summer-bearing)

Flowering on floricanes starts in the

Flowering on floricanes starts in the fourth week of March

Ripening date (regular) -

Ripening date (regular) - second week of May

Soluble solids

Soluble solids - 8.7%

Cold hardiness is

Cold hardiness is low

Country of origin

Country of origin - United States


Patent US PP14,935 P2 dated June 21, 2004

Current status

Current status - obsolete or rarely used

Clark Gold is the result of spontaneous mutation of the southern wild blackberry species (dewberry), found in south Texas. This variety has not been observed under environmental  conditions outside of southern Texas. The plants of Clark Gold lack anthocyanin pigment through all tissues, including the fruit, which is yellow at maturity, unlike the dark fruit of typical blackberry varieties. Plants have three distinctive characteristics which distinguish it from their parents and other blackberry varieties. One of these is major and readily visible - yellow fruit and yellow-green stems and leaves. The second is double flower which has an increase in the number of petals over the normal corolla complement of five (6 or more, up to 15). The third is larger and elongated sepals as compared to the normal calyx.
Plants are medium in height, have vigorous trailing-vine canes with a dense array of thorns. Leaves are small and very small with 3 leaflets. First flowers appear at the end of March, blooming ends at the middle of April. First fruit ripen at the last week of April, average ripening date is second week of May. Yield and fruit weight is very vary from weather conditions and are not constant.

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