How to Fertilize Rosa 'Doris Tysterman'?
Apply a rose-specific fertilizer in spring and after each bloom flush.

Rosa 'Doris Tysterman' · Rosa 'Doris Tysterman'
Grow in fertile, humus-rich, moist but well-drained soil in full sun. Mulch with well-rotted organic matter in late winter or early spring, and for best flowering apply a general rose or shrub fertiliser in early spring and again in early summer. See rose cultivation
Apply a rose-specific fertilizer in spring and after each bloom flush.