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Indigofera howellii 'Reginald Cory'
  • RHS AGM

indigo 'Reginald Cory'

An elegant spreading, deciduous shrub up to 3m high and wide, with pinnate grey, green leaves, producing long horizontal to slightly pendulous, tapering racemes of bright pink flowers from June until autumn

Synonyms
Indigofera potaninii misapplied
Indigofera subverticillata misapplied
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Size
Ultimate height
2.5–4 metres
Time to ultimate height
5–10 years
Ultimate spread
2.5–4 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Pink Green Grey Silver
Autumn Pink Green Grey Silver
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Spreading branched
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

Accepted

How to grow

Cultivation

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

Propagation

Propagate by rooting 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
  • Banks and slopes
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 1 or pruning group 13 if wall-trained. Pruning group 6 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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