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ShrubsHerbs - Culinary

Ruta graveolens 'Jackman's Blue'

rue 'Jackman's Blue'

'Jackman's Blue' is a bushy evergreen shrub with aromatic, broad, blue-grey leaves pinnately divided into rounded segments, and cymes of 4-petalled yellow flowers 2cm across, in summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
5–10 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Grey Silver
Summer Yellow Blue Grey Silver
Autumn Blue Grey Silver Green
Winter Blue Grey Silver
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing or West–facing

Exposure
Exposed
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Rutaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
TOXIC to skin with sunlight. Wear gloves and other protective equipment when handling
Genus

Ruta can be deciduous or evergreen shrubs or woody-based perennials with aromatic, pinnately lobed leaves and yellow flowers with 4 or 5 fringed petals in terminal clusters

Name status

Accepted

How to grow

Cultivation

Grow in moderately fertile, well-drained soil, in full sun or partial shade. Will thrive in a hot dry site

Propagation

Propagate by semi-hardwood cuttings in autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Mediterranean climate plants
  • City and courtyard gardens
  • Coastal
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 10 in spring or after flowering

Pests

Generally pest-free

Diseases

Generally-disease free

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