Tofieldia, an arctic and alpine genus of small herbs with a slender scape springing from a tuft of narrow ensiform leaves and bearing a raceme of small green flowers; Narthecium (bog-asphodel), herbs with a habit similar to Tofieldia, but with larger golden-yellow flowers; and Colchicum, a genus with about 30 species including b the meadow saffron or autumn crocus (C. autumnale).
To include color after the salad burnet has finished flowering, plant bulbs and corms such as spring and autumn crocus.
Herbs that may be helpful Autumn crocus (Colchicum autumnale) is the herb from which the drug colchicine was originally isolated.
The autumn crocus is a different plant, from the lily family.
Lily-of-the-Field (Sternbergia) - Charming hardy bulbs with flowers of firm texture, better able to withstand bad weather than the Autumn Crocus.