Differential Planting - Agapanthus campanulatus AlliaceaeVs Allium hollandicum


  • African blue lily from Eastern Cape, KwaZulu-Natal and Lesotho.
  • Flowers of love.
  • Deciduous, narrow strap-shaped greyish green leaves.
  • Pale to dark blue, bell-shaped flowers, mid to late summer.
  • Height 1m; spread 50cm.
  • Hardy. Protect from frost. Root will survive and re-sprout.
  • Divide plants in February to April.


  • Cultivated variety: Purple sensation.
  • Ornamental onions.
  • Strap-like, pale green leaves.
  • Dense, spherical rich purple heads, June to July.
  • Height 90cm; spread 7cm.
  • Full hardy.
  • Split and divide large clumps in autumn or spring.

- Dr Vasa Gnanapragasam is a GP in Sutton, Surrey.

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