GardenWizzPlant Care Card

Blueberry 'Duke'

Vaccinium corymbosum 'Duke' · Shrub

Hardiness
H6 Hardy — very cold winter (to −15 to −20°C)
Position
Full sun, Partial shade
Height × Spread
100–150 cm × 100–150 cm
Soil
well-drained, moisture-retentive, acidic soil (pH 4.5-5.5)
Flowering
—
Toxicity
No specific toxicity is listed by the RHS. This is not a guarantee of safety — check with a vet or the ASPCA before pets or children eat any plant.

The Gardening Year

J
F
M
A
M
J
J
A
S
O
N
D
🪴 Plant out

Watch out for

Vine weevil: Apply biological nematodes to the compost or use a systemic insecticide.

Powdery mildew: Improve air circulation and spray with a suitable fungicide if severe.

Birds: Cover the bush with bird netting when fruit is ripening.

Chlorosis: Check soil pH and apply ericaceous fertiliser containing iron and manganese.

Blueberry rust: Remove affected leaves and avoid planting near hemlock trees.

Full guide: gardenwizz.com/plants/blueberry-duke © GardenWizz — UK gardening encyclopedia