Double flowers of rich purple/blue above scalloped bright green foliage.
Plant Type(s): Perennial
Plant Height: 16" - 20"
Plant Width: 16" - 18"
Hardy Zones: 3 - 8
Spring/Summer Care: Leaves can be cut back after flowering to encourage a new flush of foliage; however, this may reduce the chance of an autumn rebloom.
Autumn/Winter Care: Mow off any dead foliage in winter.
Fertilizer Needs: You can fertilize using any balanced product monthly from when it breaks dormancy until early Autumn. You could also apply a readily available nitrogen product in spring and then a slow-release product after flowering is done.