2nd Year Maturity. Everlasting sweet pea seeds are a timeless and brilliant addition to any home or garden year round. Sweet pea Everlasting seeds promise magnificent 60-72" long vines blanketed in dazzling rose, magenta, cream, red, pink, and white blooms. Everlasting sweet peas are easy to grow from seed and can be easily grown to climb fences, trellises, screens, mailboxes, light posts, and banks. Everlasting seeds promise spectacular frost-hardy and durable plants that thrive in cool, temperate gardens.