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Plant Care Card
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Blackthorn
Prunus spinosa · Shrub
Hardiness
H7
Very hardy (to below −20°C)
Position
Full sun
Height × Spread
2.5–6 m × 2.5–4 m
Soil
moist well-drained soil; Chalk, Clay, Loam, Sand; Acid, Alkaline, Neutral pH
Flowering
March–April
Toxicity
All parts other than the flesh of the fruits are harmful to pets and humans if eaten; seed contains trace amounts of hydrogen cyanide
The Gardening Year
J
F
M
A
M
J
J
A
S
O
N
D
🪴 Plant out
🌸 In flower
✂️ Prune
Full guide: gardenwizz.com/plants/prunus-spinosa
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