Sweet Pea 'Rosay' Lathyrus odoratus Rosay is a beautifully fragrant Grandiflora sweet pea with soft blush-pink blooms. Its romantic coloring and classic sweet pea perfume make it a lovely choice for cutting, bouquets, and the garden. Bred by Unwins, this variety combines old-fashioned fragrance with an especially pretty pastel color. IMPORTA