Snowdrop Lily Of The Valley . The lily of the valley is a staple of the animal crossing franchise, appearing in many previous games, & in all of them the only color available was white. The snowdrop tree can, if necessary, be pruned after flowering, but does not have to. 17 Best images about Lily Of The Valley! on Pinterest Brooches from www.pinterest.com Snowdrops bloom as early as january/february, while the lily of the valley blooms only in may. Lily of the valley, convallaria majalis (ruscaceae), is not a true bulb but a rhizomatous, herbaceous perennial blooming late spring or early summer (typically right around mother's day) that becomes a spreading. Montana, also known as the american lily of the valley, i…