These sweet scented 39violet39 flowers bloom in spring and are especially suited to shady areas particularly under trees viola odorata ia a spreading perennial which will create a carpet of mauve blooms and is great for a naturalised display in lawns alongside crocuses its foliage is heart45shaped and evergreen supplied as large plug plants height 15cm 4063441 spread 50cm 40203441culinary information some parts of these flowers are edible the crystallised p