The sudden bursting, splitting or severing of a daylily scape in the middle. Scape blasting is usually caused by heavy rain following a period of drought causing a rapid increase of internal pressures within the scape. Fertilization just prior to or during a swift increase in soil moisture may contribute to scape blasting. Sometimes the rupture is complete, and all blooms are lost. At other times the rupture is partial and the daylily will continue to bloom. Should the scape not separate completely, the break can be supported with ice cream stick splints and duct tape. Scape blasting has been attributed more often to tetraploids than diploids, possibly because of their thicker, less flexible cell structures.