Nigella sativa

RHS Plant Profile
black cumin

Other common names

common fennel flower, fitches, kalanji, kalaunjii, kalongi, kammum aswad, nutmeg flower, Roman coriander

Annual Biennial

An erect, branching annual to 30cm tall, with very finely divided, bright green leaves. In summer it produces blue-tinged, white flowers to 3.5cm across; these are followed by inflated seed pods containing numerous seeds. These aromatic nigella or black cumin seeds are used in cooking

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Nigella are upright, bushy annuals with finely dissected leaves and solitary flowers with 5 blue or white, petal-like sepals and feathery bracts, followed by ornamental seed pods
Name Status
Correct
Plant Range
S.W. Asia

How to Grow

Cultivation

Grow in any well-drained soil in full sun

Propagation

Propagate by sowing seed in situ in mid-spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildflower meadow
  • Low Maintenance
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free