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  • yellow flag iris
  • Eventual height: 1m
  • Eventual spread: 5m

Iris pseudacorus

yellow flag iris

9cm pot £7.99
9cm pot £7.99
Quantity
  • Position: full sun or partial shade
  • Depth of water: 5-25cm (2-10in)
  • Soil: reliably moist or boggy soil
  • Rate of growth: fast-growing
  • Flowering period: July to August
  • Hardiness: fully hardy

    Sulphur yellow flowers, often with brown markings, appear from midsummer amongst the upright grey-green leaves. This native, yellow flag iris was once commonly found on marshy land and riversides and is ideal for planting at the margins of a large lake or pool. It also flourishes in deep, reliably moist soil that has been enriched with well-rotted organic matter.

    • Harmful if eaten
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