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 nutdeil'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 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H5Botanical 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
Get involved
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