Alcea rosea nigrum - Black Hollyhock

Hardy / biennial, perennial / medicinal use / easy to germinate/ H. up to 150cm/ sunny position / humus rich soil / blossom colour dark/ flowering time  7, 8,9, 10An ornamental plant which grows in normal garden soil. Has similar properties than Althea officinalis Marsh Mallow. The flowers added to herb teas give a nice deep pink purple colour of the tea.