Not usually harvested, unless for medicine. Pick as needed.
Plant seeds in potting soil covered in a light layer of soil. Mist your seeds lightly and be careful not to over-water.
Carefully take divisions when plant is mature with full developed rhizome roots.
Take softwood cuttings during growing season.
Attracts useful insects
Bumblebees, Syrphid flies and beetles may feed on the pollen although they are less effective at pollination. Wasps and butterflies seeking for nectar which the flowers don't produce.
Medicinal herb with antidepressant activity and anti-inflammatory properties as an arachidonate 5-lipoxygenase inhibitor and COX-1 inhibitor.
Often grown as a garden specimen in borders.