They germinate in the fall, grow through the winter and bloom (as we all know and love) in the spring. Follow the first watering with additional light waterings every three days for about three weeks if rain is not present.” Fertilizer is not recommended. This message was edited Feb 21, 2009 3:34 PM. Fall sowing is also the most convenient time to make sure your soil contains the bacterium Bradyrhizobium spp., the strain of Rhizobium intended for lupines. Bluebonnets grow best in soils that are alkaline, moderate in fertility, and most important of all, well drained. I might be giving away a few (hundred) seeds for Christmas this year as I suspect I'll have plenty for my own landscape. theYear=now.getYear() Toward the end of the beloved “wildflower season,” the bluebonnets form a seedpod that eventually pops open to release seeds. Seed to soil contact is the key when it comes to successfully establishing bluebonnets. Plant them where you want them to grow. It takes 20 to 30 pounds of seeds to adequately cover one acre. Follow these tips for the best results. Closeup of Texas bluebonnet seeds in the pod (Joseph A Marcus / Wildflower Center Digital Librar) Timing is important. Around mid-May, they structure a seedpod, which is from the start green yet turns yellow and afterward earthy colored. Optimum bluebonnets planting and germination soil temperature is between 55 – 70 F (12 – 20 C). You may dilute the seeds by mixing them with sand to easily achieve even coverage. Water thoroughly but gently. By mowing the mature seeds, you’ll ensure that the plants reseed for the following year, and that your dedication to your new blooms continues to pay off. Photo: Flickr/Jack Texas Hill Country. Post #6170496. Plant the large, thick-skinned seed of the bluebonnet in the fall to give it time to germinate and put down roots so it's ready for its spring show. Press seeds firmly into the ground with your hands or walk over the area.” Bluebonnets do not like saturated soil, so water them lightly. You should not have to water them except on the day you plant. “Hand broadcasting is the simplest seeding method and works well. document.write(theYear) Seed may be planted September 1 through December 15; however, for best results, plant seeds no later than mid-November. Since they have very hard seed coats, they will need to be treated to make them permeable to water. Full sun is also required for best growth. It should only take 10 to 14 days for scarified seed to germinate in cool fall weather when you keep the seedbed moist. They germinate in the fall, grow through the winter and bloom (as we all know and love) in the spring. Copyright © 2008 - How Should Broccoli Seed Harvesting Be Done? Be patient and know that it can sometimes take a several years to have a truly established bluebonnet bounty. if (theYear < 1900) I'll give it a try Dale. Best time to plant Bluebonnet seed is April-June, that is when nature does it. Post #6170503. We are your resource for Hill Country travel, things to do, places to eat, Pull up one or two seedlings in the spring and check for small lumps on the roots. The winter growth helps it build a strong root system. We also print a beautiful, one of a kind * Bluebonnets like full sun. You can plant your own wildflowers in your backyard, in an unused field on your property or along the roadside in front of your home. We hate spam too, we'll never share your email address. Texas Hill Country Facebook page is growing by over 1,000 fans per Seeds should sprout in the fall, but aren't considered invasive. Following Scarification Treatments, University of Texas at Austin Biological Sciences: Lupinus Texensis. They develop in fall and develop all through the winter, normally sprout around the finish of March to the mid-May. To increase bluebonnet germination rate, which can be fickle, scarify the seeds. For a successful stand of wildflowers, sow or plant seedlings in the fall in an area that receives full sun. Water your bluebonnet seeds lightly on the day of planting, but do not water your bluebonnets on a regular basis.