Sweet Pea Rosay Seeds Produce A Beautiful Grandiflora Sweet Pea With Petals That Shade From Soft Pink To Ivory. Dark Pink Veining Gives The Flowers A Subtle Strawberries And Cream Effect. Their Sweet Scent Can Fill A Room When They’re Cut For The House And These Sweet Peas Are Lovely Addition To The Garden.do Not Allow Seed Pods To Form As This Will Reduce Flowering Performance. Autumn Sown Seedlings Are Best Over wintered In A Cold Frame.