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Herbaceous Perennial

Veronica gentianoides 'Robusta'

A clump-forming herbaceous perennial to 60cm high, with rosettes of lance-shaped, glossy green leaves forming a dense mound at the base. Upright stems bear spikes of pale blue flowers with deeper blue veins in early summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Chalk
Clay
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H7
Botanical details
Family
Plantaginaceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming, Columnar upright
Genus

Veronica can be annuals, perennials or sub-shrubs with paired leaves and small flowers usually in terminal or axillary racemes or spikes

Name status

Accepted

How to grow

Cultivation

Thrives in sun in well-drained soil that does not dry out, will tolerate part day shade but flowering may be reduced. Mulching is beneficial on drier soils. Will not tolerate waterlogging

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
  • Garden edging
Pruning

Deadhead to encourage further flowers. Remove faded flower stems in autumn

Pests

May be susceptible to aphids

Diseases

May be susceptible to downy mildews, powdery mildews and leaf spot

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