Robuta

https://www.rhs.org.uk/plants/79224/agapanthus-campanulatus-var-albidus/details Agapanthus campanulatus var. albidus | white bell African lily Herbaceous Perennial/RHS agapanthus campanulatus african lily herbaceous perennial var albidus https://www.gardenersworld.com/plants/agapanthus-campanulatus/ Agapanthus campanulatus | BBC Gardeners World Magazine Plant profile of Agapanthus campanulatus on gardenersworld.com bbc gardeners world agapanthus campanulatus magazine