- You Will Get 39 Seeds Of Sweet Pea Old Spice Mix Lathyrus Odoratus Flower Seeds. - Soil pH: Alkaline. - Watering: Medium. - Soil Type: Loam. - Sunlight: Partial Shade, Full Sun. - Annual. - 4-6' tall climbing. - Mixed colored flowers. - Full Sun. - Very Fragrant. - Give it room to climb, and something to climb on.