Is it deer resistant?

No

Blackberry is not deer resistant.

Rubus fruticosus

Deer: Frequently
Height: 5 ft (1.5 m)
Spread: 5 ft (1.5 m)
Zones: 5–9
Light: Full sun

Fruit

Deer-resistant alternatives to Blackberry

These are tagged deer-resistant in the same catalogue. Check light and height before planting.

honeyberry
Lonicera caerulea var. edulis
similar role
Lonicera caerulea , commonly known by a variety of common names including blue honeysuckle, honeyberry, sweetberry honeysuckle, and haskap, is a circumpolar, multi-branched, deciduous shrub that is native to moist boreal forest areas…

Blackberry (Rubus fruticosus)

Photo: MargaretAndArmand · CC0

FruitRubus

More details

Light: Full sun, Partial shade
Type: Fruit
Maintenance: Medium
Features: Flowering

More in Rubus

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