Revitalize Reblooming Daylilies
Prune away dead daylily stems. Fertilize rebloomering Hemerocallis % %Happy Returns%, Stella D%Oro, %Rosy Returns%, %Red Hot Returns% % with slow-release fertilizer higher in phosphorous and potash than in nitrogen. Apply fertilizer to MOIST soil. Repeat-bloom varieties will rest after blooming for two, three weeks then can rebloom till frost if well fed and watered. When buying, look for the word %rebloomer% or %returns% on the label. These are usually smaller, more compact plants than the once-bloomers.
Shear Once-Blooming Daylily Leaves
When the foliage turns brown and unsightly on daylilies that bloom only once, cut or shear off the dying leaves. Feed with a slow-release fertilizer higher in phosphorous and potash than nitrogen (for next season%s flowers). The foliage will regrow to look lush and green in several weeks. It%s also okay to divide daylilies now % after flowering. Dividing crowded clumps may revitalize their bloom next season.