Seed Needs, Black Eyed Susan Vine Mix (Thunbergia alata) 100 Seeds Quality Thunbergia seeds packaged by Seed Needs. This packet measures 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. Provide moist, well-drained soil in full sun with some afternoon shade. The Black Eyed Susan vine needs regular watering throughout the summer. Plant seedlings 3 inches away from supports. Space plants 8 - 12 inches apart. Pinch the tips of young Black-Eyed Susan plants to encourage branching. If grown in a container, Thunbergia can be wintered indoors in a bright, sunny window. It is recommended to soak the Thunbergia seeds over night in tepid water. Following the soaking, sow Black-eyed Susan vine seeds outdoors after the last frost in prepared seed bed. Or, to get a jump start on the growing season, sow Thunbergia Alata seeds indoors 6 - 8 weeks before outdoor planting. Thunbergia flower seeds germinate better in darkness. All Thunbergia seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current, and 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. <span class="a-text-bold">Illustration:</span> Every seed packet offered by Seed Needs comes with a beautifully drawn illustration that displays the plant that is grownfrom the seeds within each packet. <span class="a-text-bold">Dimensions:</span> Each traditional packet measures 3.25&#034; wide, by 4.50&#034; in dimension. Some packets may arrive in a foil pouch that measures6.5&#034;x 4.5&#034; in dimension. <span class="a-text-bold">Backs:</span>Every seed packet comes with detailed sowing instructions on the reverse side, as well as a QR code for easy reordering and additional information on the plant itself. <span class="a-text-bold">Hand Filled: </span>The vast majority of seed packets are hand filled to ensure that you receive just the right amount of seeds. Seed counts are always dealt with in approximates, however we always tryto fill a little more than the advertised quantities. (Some assortments and bulk packages by Seed Needs are filled with machines) <span class="a-text-bold">Cultivation: </span>These seeds are intended for cultivation purposes only. <span class="a-text-bold">Bubble Mailers:</span> Seed Needs ships the vast majority of seed products and orders out in bubble mailers,for added protection from moisture. This also protects the seeds from being crushed by mail sorting machines on thinner packets and smaller orders. <span class="a-text-bold">Boxes: </span>Larger purchases of Seed Needs productsmayarrive incarefully packed boxes, adding even more protection. Rest assured that the products are carefully handled. <span class="a-text-bold">Rest Assured: </span>Products by Seed Needs are never sent in regular, unpadded mailing envelopes. Our goal is your satisfaction. We want your seeds to arrive in prestine condition, giving you the best success rate for any seed products purchased.