Zantedeschia variety designated GSCCPETW is disclosed. The invention relates to the seeds of Zantedeschia GSCCPETW, to the plants of Zantedeschia GSCCPETW, to plant parts of Zantedeschia GSCCPETW, and to methods for producing a Zantedeschia plant produced by crossing Zantedeschia GSCCPETW with itself or with another Zantedeschia. The invention also relates to methods for producing a Zantedeschia plant containing in its genetic material one or more genes or transgenes and to the transgenic Zantedeschia plants and plant parts produced by those methods. This invention also relates to Zantedeschia varieties, or breeding varieties, and plant parts derived from Zantedeschia GSCCPETW, to methods for producing other Zantedeschia varieties, hybrids, or plant parts derived from Zantedeschia GSCCPETW, and to the Zantedeschia plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid Zantedeschia seeds, plants, and plant parts produced by crossing Zantedeschia GSCCPETW with another Zantedeschia variety.
