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Herbaceous Perennial

Bunium bulbocastanum

great pignut

A rare native, found only at a few sites in England. Growing to about 60cm, with slender, branched, leafy stems topped with delicate umbels of white flowers. Has been grown for its small, edible tubers, spicy seeds known as black cumin and finely-divided, parsley-substitute leaves

Other common names
cat nut
deil's oatmeal
see moreearth chestnut
fare nut
great earthnut
hare nut
hog nut
kipper nut
St Anthony's nut
earth nut
pignut
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Apiaceae
Native to GB / Ireland
Yes
Foliage
Deciduous
Habit
Clump forming
Name status

Correct

Plant range
Europe, Africa Asia

How to grow

Cultivation

Found naturally in grassy areas on dry chalk, especially where disturbed. Prefers well-drained, neutral to alkaline soil in a sunny spot. Seedlings need open ground to develop but once mature will thrive in meadows

Propagation

Propagate by seed, or by division of large clumps

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens
  • Flower borders and beds
Pruning

No pruning required. Can cut down dead stems in early spring

Pests

Generally pest-free

Diseases

Generally disease-free

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