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Sanguisorba officinalis

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© RHS 2002

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Dark Red in Autumn and Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

great burnet

Family

Rosaceae


Sanguisorba are rhizomatous herbaceous perennials with attractive, pinnate leaves and branched stems bearing terminal spikes of small fluffy flowers with conspicuous stamens

S. officinalis forms a compact clump of pinnate leaves with rounded or oblong leaflets, and maroon flowers in dense, rounded or oval spikes in summer and early autumn

Other common names

  • burnet bloodwort
  • greater burnet
  • greater salad burnet

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, East-facing or West-facing
  • Exposed

Cultivation

Grow in a moderately fertile, moist but well-drained soil that does not dry out; best in full sun or partial shade. Usually needs support and the rhizomes can spread and become invasive so site with care

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Sand, Loam, Chalk or Clay

Propagation

Propagate by seed in pots in a cold frame in spring or autumn. Propagate by division in spring or autumn

Suggested planting locations and garden types

Prairie Planting, Flower borders and beds or Wildflower meadow


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

Generally disease free