I have an area around the bed of a ginormous weeping willow which I have turned into a semi-circular shade bed. On the extra left and right side of the semi-circle bed I planted lily-of-the-valley and filled in the bed with 12 Etain Viola, 12 Freckles viola and 12 purple viola I got in a trade. The bed is in pretty have shade being at the base of the willow with just a bit of sun getting through at sundown from teh side. What will this bed look like in 3 years?