Big Buy Mega Pack with 3 large Dahlia Decorative mixed colour flower bulbs Grade I. Bulbs are packed in brown paper bag with large picture card on the front of the pack. Back of the picture card contains planting and care instructions. This mixed colour Dahlia Decorative assortment will produce spectacular large flowers in an array of vibrant colours which will look fantastic in any garden during summer. Dahlia bulbs are normally planted in spring and produce flowers during summer months. Grow in fertile, well-drained soil and position in a sunny spot but sheltered from strong winds as flowers are delicate. Dahlia bulbs are also well suited to be grown in garden boxes, tub or containers.