Sanguisorba tenuifolia var. alba

RHS Plant Profile

white-flowered slender-leaved burnet

Synonyms

Sanguisorba tenuifolia 'Alba'
Sanguisorba tenuifolia 'Albiflora'
Sanguisorba tenuifolia alba

Herbaceous Perennial

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A tall, clump-forming perennial to 1.8m, with rosettes of dark green, pinnate leaves, and nodding white catkin-like flowers held on tall branching stems in late summer and early autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Clay, Sand

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Chalk Loam Clay Sand

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

Position

Full sun Partial shade

Aspect: 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: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Sanguisorba are rhizomatous herbaceous perennials with attractive, pinnate leaves and branched stems bearing terminal spikes of small fluffy flowers with conspicuous stamens
Name Status: Correct
Plant Range: Asia

How to Grow

Cultivation

Grow in any moderately fertile soil that does not dry out. May require support, see staking (perennials)

Propagation

Propagate by seed sown in containers in a cold frame in spring, or by division in spring or autumn

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Cottage and informal garden
Prairie planting
Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to slugs causing damage to young leaves

Diseases

Generally disease-free