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Herbaceous Perennial

Veronica longifolia 'Blauriesin'
  • RHS Plants for pollinators

garden speedwell 'Blauriesin'

A bushy, clump-forming perennial to around 75cm high, with upright stems and long, lance-shaped, toothed green leaves. Long, narrow spikes of deep blue flowers are produced from mid summer through to early autumn

Synonyms
Veronica longifolia 'Foerster's Blue'
Veronica longifolia 'Blue Giantess'
see moreVeronica longifolia Blue Giantess

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

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Plantaginaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
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 or light shade, in moist, well-drained soil that does not dry out. Mulching is beneficial on drier soils. Will not tolerate waterlogging. May need support, see staking perennials

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
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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