Veronica allionii

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Allioni's speedwell

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A mat-forming evergreen perennial, with a woody base, spreading to ascending stems and small, narrowly oval to elliptic green leaves. Spikes of small purple flowers are produced at the tips of the stems in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Plantaginaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
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
Correct

How to Grow

Cultivation

Thrives in well-drained, gritty soil in full sun. Suitable for a rock garden, trough or alpine house

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Banks and slopes
  • Ground cover

Pruning

No pruning required

Pests

Generally pest-free

Diseases

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