• Eventual height: 0.9m
  • Eventual spread: 0.6m

Lysimachia clethroides

Chinese loosestrife

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This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.

  • Position: full sun or partial shade
  • Soil: humus-rich, moist but well-drained soil
  • Rate of growth: average to fast-growing
  • Flowering period: July and August
  • Hardiness: fully hardy

    Tall stems of narrow, mid-green leaves are topped with arching spikes of tiny white flowers in July and August. Chinese loostrife looks striking towards the back of a moist, well-drained border or beside water in sun or partial shade. But be warned, it can be invasive and its spread needs to be reduced each year.

  • Garden care: To maximise water retention, incorporate lots of organic matter when planting and mulch each spring. Lift the plant and reduce the circumference of its roots each spring.