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Alpine RockeryShrubs

Glandora oleifolia
  • RHS AGM

olive-leaved gromwell

A prostrate evergreen shrub to 15cm in height, making a wide mat of silky oval leaves, with sky-blue, funnel-shaped flowers 2cm in length, in short racemes in early summer

Synonyms
Lithospermum oleifolium
Lithodora oleifolium
see moreLithodora oleifolia
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
5–10 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or East–facing

Exposure
Exposed
Hardiness
H4
Botanical details
Family
Boraginaceae
Native to the UK
No
Foliage
Evergreen
Habit
Matforming
Genus

A genus of flowering, evergreen, shrubby plants from borage family. They are cultivated for their five-lobed, funnel-shaped, blue or white flowers produced in cymes in summer. Leaves are linear, lance-shaped or elliptic, densely hairy

Name status

Correct

Plant range
SE Pyrenees

How to grow

Cultivation

Grow in well-drained, preferably alkaline to neutral soil in full sun

Propagation

Propagate by removing rooted suckers in spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Coastal
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Banks and slopes
  • Flower borders and beds
Pruning

Pruning group 8; or pruning group 10 after flowering

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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