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Herbaceous Perennial

Verbena hastata 'Blue Spires'

Upright, clump-forming perennial to 1.2m, with branching stems and toothed leaves. From early summer to early autumn it produces candelabra-like flower spikes bearing numerous tiny, saucer-shaped, violet-blue flowers; these are good for cutting

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Purple Green
Autumn Blue Purple Green
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Verbenaceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Verbena can be annuals, perennials or sub-shrubs, with toothed or pinnately lobed leaves and small, usually 5-petalled, salver-shaped flowers, typically held in spikes or panicles, in summer or autumn

Name status

Accepted

How to grow

Cultivation

Grow in moist but well-drained, moderately fertile soil in full sun. Cut back to ground level in early spring

Propagation

Propagate by division

Suggested planting locations and garden types
  • Architectural
  • Cottage and informal garden
  • Prairie planting
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to Powdery mildews

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