Large purple-blue flower heads up to 20cm diameter July-Aug. Ht 80cm. Semi-evergreen. Noted for its hardiness
PVR. Bulbous perennial with large flower heads of lavender-blue flowers over a long period. Ht 90cm
PVR. Rich dark blue flowers with a dark violet-blue almost black base July-Sept. Leaves are also dark blue-black at the base. Ht 60-80cm. Deciduous
Syn. Midnight Star. The deepest blue flowers on blue-black stems July-Sept. Ht 60-80cm. Bulbous semi-evergreen perennial
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