Bulk Package of 30,000 Seeds, Partial Shade Wildflower Mixture (15 Species) Non-GMO Seeds By Seed Needs Quality Wildflower seeds packaged by Seed Needs. Each packet measures 4.50 inches wide by 6.4375 inches tall. Partial Shade is a specialty blend of Wildflowers that are perfect for areas that receive less than 6 hours of direct sunlight on any given day. The plants range in height from 4 to 48 inches tall, with the vast majority averaging around 20 to 34 inches tall. Our partial shade wildflower mixture contains 59% annuals, 15% perennials and 26% biennials. All Wildflower 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.