GardenWizzPlant Care Card

Autumn Crocus

Colchicum autumnale · Perennial

Hardiness
H5 Hardy — cold winter (to −10 to −15°C)
Position
Full sun, Partial shade
Height × Spread
25 cm × 10 cm
Soil
Moist but well-drained, deep, humus-rich, fertile soil. Intolerant of waterlogging.
Flowering
September–October
Toxicity
lethally toxic due to its colchicine content

The Gardening Year

J
F
M
A
M
J
J
A
S
O
N
D
🪴 Plant out
🌸 In flower

Watch out for

toxicity: —

Full guide: gardenwizz.com/plants/autumn-crocus © GardenWizz — UK gardening encyclopedia