Seed Needs, California Poppy Mixture (Eschscholzia californica) 2,000 Seeds Quality California Poppy 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.. California Poppy Mixture will produce a colorful blend of flowers that measure 2 or 3 inches wide in diameter. The plants will grow to a mature height of roughly 12 to 18 inches tall. Grown as a tender perennial, California Poppy will grow quickly from fresh flower seeds, bloom for a few short weeks, later wilting with the first frost. They can return if the temperatures aren't too harsh. they can also reseed, establishing new plant life the following season. California Poppies are best sown by the masses. They attract an array of beneficial insects to the garden, such as butterflies, bumblebees, honeybees & more. All Poppy 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.