There were two sources of C. stans. For the baggy method, I used the method outlined by Deno. GA3 hormone treatment was only applied to a few species where the literature suggests it would be helpful or required. Both Deno and ORGS recommend it for certain species, but not others. Although we always recommend putting your plants in the ground as soon as possible, they can stay healthy in the flats for a considerable amount of time. Removing seed coats does have one advantage. Clematis Viorna Group Origin: Cultivars are mainly derived from species belonging to the botanical subgenus Viorna, for at least one parent, from species like Clematis crispa, Clematis pitcheri, Clematis texensis and Clematis viorna. Thank you. My c. Recta will also self-seed, just occasionally, not every year. Clematis viorna (Blue virgin's bower) will reach a height of 3.5m and a spread of 1.5m after 2-5 years. Clematis 'Jackmanii' is how this plant is referred to in plant taxonomy. The process is tedious and very difficult for tiny seed. and seemed to slowly decompose. Clematis viorna (Leatherflower) is a herbaceous perennial climber boasting charming nodding, urn-shaped, lavender to reddish-purple flowers, 1 in. Many of these species are found in the eastern and southern parts of the United States. Planting these seeds is very similar to planting other types of seeds: small seeds are planted very shallow and large seeds are planted deeper. C. virginiana had better germination using the water method, but it also required GA3 to germinate. Over the test period the paper towel is kept moist. It is not clear from the references if darkness is a requirement. Germination by the baggy method was not compared to the pot method. The inner part of the seed is left to germinate. Sign up for our newsletter today. You may also gently “fluff” them a bit to speed up the process. Fantastic work Robert. They will want to get some sun … As a side note: if you are installing plugs in the fall, you might want to plant them so that the crown is about ¾” lower than the surrounding soil. Habit: Subshrubs or climbing, deciduous. This would save time trying to germinate such seed. Collect ripe seed in the fall and plant in sterile seed starting mix, covering seeds with a thin layer of sand. Both of these have some general guidelines for clematis, but the information is not very detailed and for some species the two sources disagree with each other. Most water+nude tests were stopped in October because of decay. I now have 4 very tiny plants potted up. Usually occur in wetlands, but may occur in non-wetlands, Usually occur in non-wetlands, but may occur in wetlands, leatherflower, vase-vine leather-flower, northern leatherflower, Get all the latest information on Events, Sales and Offers. Wallside and trellises. Plant in fertile, well-drained soil (especially chalky soils) in full sun or partial shade. In summary, after looking at all of the available information I came to the following conclusions. Once leaves form it needs lots of light. It is known that some other non-clematis seed can be prevented from germination when tails are left off (or is that a myth?). Clematis viorna blue virgin's bower Join the RHS today and get 12 months for the price of 9. Hope this information gets widely published. My go-to sources for germination information on all types of seed are Dr. Deno’s Seed Starting Books (Deno), and Ontario Rock Garden And Hardy Plant Society web site’s Germination Guide (ORGS). Any cold treated seed did not germinate until it was returned to warm conditions. In addition to stratification, those seeds will require scarification to improve germination rates. I cut huge clematis to ground, regrowth was quick, with tallest stem currently 6 feet. The plants are healthy but they have used up all the growing medium available to them. Many of the species I don’t know, being species I assume they come true. Cover this with a fine screen so mice won’t get at the seeds over winter. This is a non-vine, non-climbing Clematis that forms a shrub-like appearance. I was expecting a broadleaf but these are several inches long with thin tendrils almost like Cosmos. No options of this product are available.