Verbena hastata 'White Spires'

RHS Plant Profile

vervain 'White Spires'

RHS / Joanna Kossak

Herbaceous Perennial

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An upright, clump-forming perennial to around 1.2m tall with lance-shaped leaves. Branching, candelabra-like stems bear long spires of small, white flowers from early summer into autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–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): H5
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Verbenaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
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 a moist but well-drained moderately fertile soil in full sun

Propagation

Propagate by seed, division or softwood cuttings

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Cottage and informal garden
Gravel garden
Prairie planting
Coastal
Low Maintenance
Banks and slopes
Wall side borders
Flower borders and beds

Pruning

Cut down after flowering

Pests

Generally pest-free

Diseases

Generally disease-free