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Indigofera tinctoria

black henna

A spreading, deciduous shrub with arching stems up to 2m high and wide, with pinnate, pale green leaves and producing racemes of small wisteria-like pink flowers in summer. This plant is the source of the blue vegetable dye indigo which is present in small quantities in the leaves

Other common names
devil's dye
dyer's indigo
see moreindigo

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Fabaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Indigofera can be deciduous or evergreen trees or shrubs, herbaceous perennials or annuals with pinnate leaves and spikes or racemes of small, pea-like flowers in summer or autumn

Name status

Correct

How to grow

Cultivation

Grow in well-drained, moderately fertile soil in full sun

Propagation

Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Banks and slopes
  • Wall side borders
Pruning

Pruning group 1 or Pruning group 13 if wall trained, but can be hard pruned in spring if needed

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility

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