species

Allium triquetrum

Three-cornered leek

Allium triquetrum

Photo: Meneerke bloem · CC BY-SA 3.0 · via Wikimedia Commons

Allium triquetrum belongs to the family Amaryllidaceae, also known as Three-cornered leek, introduced to the UK. It reaches 50 cm tall and 30 cm across in about 3 years. It grows in part shade, where the ground is neutral and in well drained conditions. It flowers from March to May. Its RHS hardiness rating is H5 (hardy, cold winter): −15 to −10°C.

Assembled from the attributes recorded below.

What this plant needs

Size at maturity
50 cm tall × 30 cm across, after about 3 years
Hardiness
H5 (RHS)
Aspect
Part shade
Acidity
Neutral
Moisture
Well drained
In the UK
Introduced

When it flowers

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

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Record data from biflora (529047-1), under OGL-UK-3.0.