The Botanical Diary
The Botanical Diary/Encyclopedia/Thornless Blackberry
T
Fruit trees

Thornless Blackberry

Rubus fruticosus (thornless)

Thornless blackberry varieties were developed in the USA in the 1930s—a revolution for gardeners.

Regions
Centre, South, West
Colour
Pink
Thornless Blackberry
🌸
Bloom
June–August
☀️
Light
Full sun
💧
Watering
Moderate
📏
Height
1,5–2,5 m
❄️
Hardiness
Zone 5b

Thornless blackberry is one of the most convenient berry crops for a home garden. It originates from wild blackberry species growing in the temperate regions of Europe and Asia, but American breeders sparked a genuine revolution in its cultivation during the 1930s when they developed the first thornless varieties. This was truly a breakthrough: gardeners could finally harvest berries without injury and discomfort. Today, thornless varieties have become the standard for amateur gardening and are highly valued far beyond the United States.

As a specimen, thornless blackberry appears as a shrub with flexible, supple stems covered in soft down rather than formidable thorns. Its white or pink flowers bloom from June through August, leaving space for other garden beauties. The berries develop gradually, gaining sweetness and a dark purplish-black colour as they ripen fully. They are considerably larger than wild blackberries, soft and juicy—precisely what gardeners seek. Modern varieties differ in their ripening schedules, allowing you to enjoy fresh berries over an extended period.

In the garden, thornless blackberry proves to be an undemanding and rewarding plant. It companions well with raspberries, currants and other berry shrubs, creating a productive corner of your plot. It yields generously even with moderate care—the main requirements being a sunny location and sufficiently fertile soil. Thornlessness makes it ideal for families with children and for those who value safety whilst working in the garden.

If you seek a plant that offers a generous harvest without fuss or injury risk, thornless blackberry is your choice. Each berry becomes more than simply a treat for you—it is a symbol of how far horticulture has advanced worldwide.

Location & soil

Thornless Blackberry — planting & location

LightFull sun
Soil typerich, рН 5,5–6,5
Planting timeApril або October
Plant spacing0,8–1,2 m
Planting depth10–15 см

Thornless! Large berries, convenient harvesting.

Water needs

How to water Thornless Blackberry

IntensityModerate
FrequencyEvery 7 days (в)
Volume15–20
MethodAt the base

Maintain moisture during fruit ripening.

Annual care

Fertilizing and pruning: Thornless Blackberry

Spring fertilizingNitrogen (April)
Summer fertilizingNo feeding required
Autumn fertilizingSuperphosphate and potassium (August)
Pruning timeПісля збору врожаю
Pruning typeSanitary

Cut fruited canes to ground level.

Cold hardiness

Thornless Blackberry — winter hardiness & care

Hardiness zoneZone 5b
Winter coverBend canes down and cover with evergreen branches or horticultural fleece.
Cover timingNovember
Plant protection

Diseases and pests of Thornless Blackberry

Diseases
Anthracnoseсіра гниль ягід
Pests
Малиновий жук
Garden design

What grows well with Thornless Blackberry?

Raspberry, Currant, актинідія