Home›Flowering plants›Tulip Greigii 'Calypso' Plant Tulip Greigii 'Calypso' Tulipa Greigii Calypso Flowering plantsGarden plantsTulip varietiesCut flowers Description It grows 15–30 cm tall. The flowers are bright yellow, flushed red on the outside. Tulipa greigii 'Calypso' likes sunny places best and flowers in mid-spring. It needs regular watering, but take care not to overwater.Advertisement