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  • ornamental onion / allium bulbs
  • Eventual height: 0.9m
  • Eventual spread: 0.2m

Allium rosenbachianum

ornamental onion / allium bulbs

25% OFF allium bulbs
3 bulbs £9.99 £7.49
3 bulbs £9.99 £7.49
  • Position: full sun
  • Soil: fertile, well-drained soil
  • Rate of growth: average
  • Flowering period: June to July
  • Hardiness: fully hardy
  • Allium bulb size: 18/-

    Earlier flowering than most other large alliums, with big flower heads up to 10cm in diameter.

  • Garden care: Plant the bulbs 15cm deep and 20cm apart to avoid the flowers being too crowded. Avoid excessive soil moisture and split and divide large clumps in autumn or spring.
  • CAUTION do not eat ornamental bulbs