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Allium senescens, commonly known as Siberian Onion or Twisted Leek, is a hardy, perennial species of ornamental onion that belongs to the Allium family. This striking plant is known for its unique twisted foliage and delicate globular flower heads, making it a popular choice in rock gardens, borders, and wildlife-friendly planting schemes. Allium senescens is a hardy, low-maintenance perennial that adds unique texture and seasonal interest to any garden. Its drought tolerance and compact size make it a versatile and attractive addition to sunny or partially shaded garden spaces. Plus, its ability to attract pollinators makes it a valuable asset for eco-friendly gardens. Height: 45cm (18in). Spread: 10cm (4in).Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.