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Shrubs

Indigofera amblyantha

pink-flowered indigo

A medium-sized deciduous shrub with pinnate leaves composed of 7-11 small, oval leaflets. Flowers light pink, 6mm in length, in dense erect racemes to 10cm in length

Synonyms

Indigofera potaninii misapplied

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Ultimate height

1.5–2.5 metres

Time to ultimate height

10–20 years

Ultimate spread

1.5–2.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

East–facing or South–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

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
Plant range: W China

How to grow

Cultivation

Easy to grow in most moist but well-drained moderately fertile soil in full sun

Propagation

Propagate by seed sown in containers in a cold frame in autumn or root softwood cuttings in late spring, semi-hardwood in early to mid-summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Low Maintenance
Flower borders and beds
Banks and slopes
Wall side borders

Pruning

Pruning group 1 or pruning group 13 if wall-trained. Pruning group 6 or pruning group 7 in areas with hard winters

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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