Cornus alba 'Ruby'

RHS Plant Profile
dogwood 'Ruby'

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dogwood 'Ruby' RHS
dogwood 'Ruby' RHS / Joanna Kossak

Synonyms

Cornus sanguinea 'Ruby'

Plants for pollinators
Shrubs

A deciduous shrub with narrow, upright, bright red stems shading to greenish-orange at the base. The mid-green leaves turn wine-red in autumn. Clusters of small, cream flowers in late spring and early summer are followed by white fruits

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
5–10 years
Max Spread
2.5-4 metres
Max Height
2.5-4 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
North–facing or 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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cornaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Cornus can be deciduous shrubs or trees, or creeping, woody-based perennials, some with brightly coloured young stems. Tiny flowers are borne in dense clusters, sometimes with showy bracts. Many have fine autumn colour
Name Status
Accepted

How to Grow

Cultivation

Will grow in most soil conditions in sun or partial shade. For more information see winter stem colour cultivation or flowering dogwood cultivation

Propagation

Propagate by hardwood cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Coastal
  • Wildlife gardens
  • Flower borders and beds
  • Cut flowers
  • Hedging and screens

Pruning

Pruning group 7

Pests

Generally pest-free but may be susceptible to horse chestnut scale

Diseases

May be susceptible to cornus anthracnose and honey fungus