Purple dresses for weddings đ The perfect wedding guest dress for a spring or summer wedding. Lavender, purple and floral dresses are perfect summer wedding guest dresses. The lavender lace midi or the fitted sheath cocktail dress are perfect for daytime weddings, the floral midi is ideal for afternoon garden parties and weddings and the purple floral ballgown is perfect for a summer black tie wedding. Follow Dress for the Wedding for more wedding guest dresses, bridesmaid dresses, wedding dresses, dresses for brides, bridal shower dresses, fashion over 40, and mother of the bride dresses.