Blackberry Ragesoss / CC BY-SA 3.0
forageable

Blackberry

Rubus

Edible
Edible PartsFruit

Overview

A vigorous bramble fruit found wild across much of the Northern Hemisphere, blackberries are among the most rewarding fruits for foragers and gardeners alike. Modern thornless cultivars have made growing them much more pleasant, though wild thorny blackberries remain a beloved summer tradition. Their deep purple-black berries are packed with anthocyanins and ripen over several weeks for extended harvests.

Growing Conditions

LightPartial Sun
MoistureModerate
Hardiness Zones5 — 8
Height1.95m
Spread2.01m
Growth HabitShrub
Pollinator Valuehigh

Companion Planting & Soil

Good Companions

TansyHyssopBorageBee balm

Avoid Planting Near

RaspberryTomatoPepperEggplant
Soil pH5.5 — 7
Soil TypeRich, well-drained, slightly acidic loam

Planting Calendar

When to sow, transplant, and harvest by growing zone.

ZoneActionMonthsNotes
Moderate (5-7) Transplant Mar — Apr Plant bare-root in spring; thornless varieties available
Moderate (5-7) Harvest Jun — Aug Berries turn fully black and pull free easily when ripe
Moderate (5-7) Prune Feb — Mar Tip-prune new canes in summer; remove fruited canes after harvest
Warm (8-9) Transplant Jan — Feb Plant during dormancy

Uses

Culinary

  • Fresh eating, pies, cobblers, and jams
  • Frozen for smoothies and sorbets
  • Fermented into blackberry wine and shrub

Medicinal

  • High in anthocyanins supporting brain and cardiovascular health
  • Leaf tea traditionally used for sore throats and diarrhea
  • Rich in vitamin C and manganese

Other Uses

  • Wildlife habitat and food source for birds
  • Thorny varieties make effective living fences