Trees and shrubs

Everbearing mulberry 'Prime-Ark'

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Hardiness Zone 5

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Family Rosaceae

Rubus fruticosus 'Prime-Ark' is a primocane-fruiting blackberry prized for its ability to produce fruit on current year's canes, offering a prolonged and abundant harvest. This upright, bushy fruit shrub develops vigorous canes bearing large, shiny black fruits that are firm, juicy, and sweet. Fruiting begins in summer and can continue until early autumn, extending the berry season in the garden. Ideal for fresh consumption, jams, and desserts, it stands out for its productivity and early ripening. Its dense green foliage attracts pollinators and is perfect for rows, fruit hedges, or trellises. Rubus fruticosus 'Prime-Ark' combines high yield, uniqueness, and strong performance in temperate climates.

Rubus fruticosus 'Prime-Ark'

Soil and care

The rightconditions.

Fertilization Compost or fertilizer for berries in spring

Bloom and dimensions

The completeprofile.

Bloom periodSpring
Flower colorWhite
Foliage colorGreen
Foliage typeObsolete
FruitingLarge, shiny black fruits, firm, juicy and sweet
Maximum height6 ft (1.8 m)
Maximum width4.9 ft (1.5 m)
Growth rateFast
Hardiness zoneZone 5
Minimum temperature-20 °C

Its strengths, naturally.

Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

Butterflies
Plants that attract butterflies

Butterflies