Seed Needs, Pink Surprise Calendula (Calendula officinalis) 500 Seeds Quality Calendula seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Pink Surprise will produce 2.5 inch, bright orange flowers, with lower tones of pink, atop attractive foliage. The leaves are oblong and lance shaped. Each Pink Surprise Calendula plant will reach a mature height of roughly 12 to 18 inches tall. The blooms themselves consist of rows of fairly spaced petals, resembling a zinnia's formation. Pink Surprise is categorized as an annual flowering plant. Annuals will grow quickly from fresh flower seeds, bloom profusely through the summer months, and later die with the first killing frost. All Calendula seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.