Allium wallichii has spherical heads of very dark purple flowers, but the lengths of the pedicels (the stems of the individual flowers) are not all the same, so the 'sphere' has interesting randomness about it. We have grown this species for many years, and it has flourished on an open rockery.
Spherical heads of dark purple, reflexed flowers.
||sun or partial shade|
||well drained soil|
||20 - 60 cm|