There is nothing in their appearance or size to indicate what will grow. The Spruce Evgeniya Vlasova Hedge bindweed has a reasonably attractive bloom, similar to the morning glory, which can be white or pink and have a pleasant fragrance. D Stages of seed germination after placement in a cocofibre vermiculite potting medium and incubation for 10 days. Source: https://educatorpages.com/site/alexysstiedemann/pages/carefully-selected-and-tested-strains