As the common name suggests, the black stems hold pink or blue flower heads aloft.
If your soil is alcaline it will produce pink flower heads and if you have acid soil it will produce blue flower heads.
The yellow autumn leaves reveal the black stems for winter.
Height 1m
Width 1m
Frost tolerant
Drought hardy
75mm potWestern Australia & Tasmania Customers - Please note we are sorry to advise we can no longer accept orders for WA and Tasmania.
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