Author 'Minimo' (Id 156464 ) : This meadowsweet pink is an ornamental plant. Meadowsweet flowers with white is a perennial herb with stems up to more than one meter in height. It flowers between the months of May and September. The flowers must be picked when they are open and then dried. Meadowsweet overcomes certain ailments or conditions different, such as flu, headache, fever, rheumatism, digestive problems and pain.