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Herbaceous Perennial

Lysimachia barystachys
  • RHS AGM

A vigorous clump-forming perennial up to 1m high, with hairy stems and oblong to lance-shaped leaves with finely hairy edges. Long, dense spikes of small white flowers, often curving at the tips, are produced in mid to late summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Primulaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Lysimachia are herbaceous or evergreen perennials with simple leaves and star-shaped, cupped or bowl-shaped flowers in terminal racemes or panicles, or solitary in leaf axils

Name status

Correct

How to grow

Cultivation

Grow in humus-rich, moist soil that does not dry out in summer. Thrives in full sun but will tolerate partial shade. Can spread rapidly in good conditions, divide regularly to control growth

Propagation

Propagate by seed or by division, spreads naturally by rhizomes

Suggested planting locations and garden types
  • Cottage and informal garden
  • Prairie planting
  • Wildflower meadow
  • Flower borders and beds
Pruning

Cut back after flowering

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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