Karaka Black blackberry variety

Rating [ 4.8 ]

Trailing thorny cultivar with big fruits and long ripening period

Plants are

Plants are thorny

Bushes have

Bushes have trailing canes

Fruit weight is

Fruit weight is 10 g


Berries have a oblong shape

Fruiting habit

Fruiting habit - floricane fruiting (summer-bearing)

Flowering on floricanes starts in the

Flowering on floricanes starts in the first week of May

Ripening date (regular) -

Ripening date (regular) - third week of June

Productivity is

Productivity is 5 kg per plant

Cold hardiness is

Cold hardiness is moderate

Country of origin

Country of origin - New Zealand

Current status

Current status - cultivated (actual)

Karaka Black's origin is New Zealand. Harvey Hall was the author of this cultivar.
Karaka Black variety was bred for fresh market, processing and private gardening. Stems of Karaka are trailing and have prickles. Canes are medium vigorous, length is from 3 to 5 m. Moderate plant vigor makes it appropriate to put this cultivar at 1 m spacing to ensure a high yield.
In a cold climate Karaka Black is well suited to tunnel production of fruit for fresh market. This variety has very long fruiting season, produces high quality berries for six to eight weeks. The berries are well displayed and are very easy to pick. The dark black fruit has a long cylindrical-conical shape, is very firm and very shiny. The flavor is likened to a mild blackberry, and may be somewhat acidic when picked slightly under-ripe or grown in a cool climate.
Fruit size is large, with an average weight of 10-11 g. Shelf life of the fruit is outstanding.
Fruit yield of Karaka Black is high, approximately 15 t/ha, compared to the varieties Silvan at 13 t/ha and Waldo at 10 t/ha. In trials in New Zealand, Karaka Black has achieved yields of over 25 t/ha.
Plants of Karaka Black has moderate disease resistance to downy mildew (peronospora sparsa).

Useful Growing Guides

Useful Growing Guides:

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Reviews of the variety Karaka Black

Review from [VADIM SKORPION]

Blackberry Karaka Black-An early variety with an elongated berry like a mulberry with a length of 3.5 to 5 cm. Does not like direct sunlight. It is studded with small spines. Lashes up to 5 meters. Yield 5-8 kg.

Review from [GUEST]

The flavour of the thornless cultivars will always disappoint those who went 'brambling' as kids, myself included. The fun of finding an old branch to pin back the thorns and get that elusive big berry at the top was second to none.
I now grow Karaka black, a very hardy and disease resistant plant. The flavour is exceptional when ripe and far exceeds the thornless acidic taste. Thorny, but easy to pick from and its flowers are a pretty white. However despite its manageability it suckers underground especially in good soil, but more free plants!

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