Veronicastrum virginicum 'Pointed Finger'

RHS Plant Profile
Culver's root 'Pointed Finger'

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Culver's root 'Pointed Finger' RHS 1999
Culver's root 'Pointed Finger' RHS
Culver's root 'Pointed Finger' RHS
Culver's root 'Pointed Finger' RHS

Synonyms

Veronica 'Pointed Finger'

Plants for pollinators
Herbaceous Perennial
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A perennial to 1.5m in height, with long racemes of pale blue flowers in late summer, which tend to bend in one direction

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed
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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Plantaginaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Veronicastrum are tall herbaceous perennials with erect stems bearing narrow leaves in whorls, and long terminal racemes of small flowers in summer
Name Status
Accepted

How to Grow

Cultivation

Grow in moderately fertile, humus-rich, moist soil in full sun or partial shade

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Wildlife gardens
  • Flower borders and beds
  • Cut flowers

Pruning

Remove flower spikes as they fade

Pests

May be susceptible to aphids

Diseases

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