How to Fertilize Dahlia 'Ryecroft Rainbow'?
High-potash dahlia feed every two weeks from growth to flowering
Dahlia 'Ryecroft Rainbow' · Dahlia 'Ryecroft Rainbow'
Grow in fertile, humus-rich, well-drained soil, enriched with organic matter and general purpose fertiliser, in full sun. Pinch out growing tips to encourage bushy plants and stake. Water freely in dry periods. Lift and store tubers in autumn to replant or use as a source of cuttings in spring. See dahlia cultivation for further advice
High-potash dahlia feed every two weeks from growth to flowering