Verbena rigida

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slender vervain

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slender vervain RHS / Joanna Kossak
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Other common names

hardy garden verbena, large-veined verbena, veined verbena

Synonyms

Verbena venosa

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Annual Biennial Bedding Herbaceous Perennial
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A tuberous perennial to around 60cm in height, grown as an annual, with oblong green leaves. Clusters of fragrant, bright purple flowers appear on branched stems in late summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–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)
H3
Drought Resistance
Yes

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Verbenaceae
Native to GB/Ireland
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
Correct
Plant Range
Bolivia to Uruguay

How to Grow

Cultivation

Best grown in moist but well-drained soil in full sun

Propagation

Propagate by seed or stem tip cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds
  • Garden edging

Pruning

No pruning required

Pests

May be susceptible to slugs, leafhoppers and aphids

Diseases

May be susceptible to Powdery mildews