'Royal Mix' Sweet Peas are a sweetly-scented annual vine-climbing flowering plant native to Sicily, southern Italy and the Aegean Islands. It is an annual climbing plant, growing to a height of 3-7 feet, where support is available. 'Royal Mix' sweet pea plants produce fragrant blossoms that are red, salmon, pink, white, lavender, and purple in color. Sweet Pea seeds enjoy cool weather and are suitable to plant in autumn or spring. They are designated as a "near-threatened" (population decreasing) species. Not suitable for ingestion.