A relatively new cultivar appearing around 2018, ‘Sunbelievable Brown Eyed Girl’ took the bronze medal at that year’s Chelsea Flower Show and it is easy to see why. 1 Rice, G. (2018b, September 28). Graham Rice’s new plants blog: new everblooming sunflower. Royal Horticultural Society. Retrieved March 24, 2023, from https://www.rhs.org.uk/plants/plants-blogs/plants/august-2018/helianthus-annuus-sunbelievable Lareef Samad (12 May 2015). "Sunrise Ruby Outperforms Diamond Lots at Sotheby's Geneva May 12, 2015, Jewelry Auctions". Newsinternetstones.com. Archived from the original on 19 August 2015 . Retrieved 19 May 2015. It is of a branching type and shows off its incredible, one-of-a-kind flowers nearly all summer long. 17) H. annuus‘Sunbelievable Brown-Eyed Girl’

Vatomandry is said to produce better-quality material, lighter and brighter (more reminiscent of Myanmar), while the Andilamena material is somewhat darker and not as clean. Rutile silk seen in some pieces suggests that star stones may be forthcoming. Most stones from both deposits are heat-treated. Octagonal step-cut ruby, 2.06 cts, 9.52 x 5.37 x 3.65 mm, Madagascar. Photo courtesy of liveauctioneers.com and Kissing Auction. Kenya and Tanzania The big 16-18cm flowers are centred by a rich brown disc surrounded by equally rich deep yellow rays. 11) H. annuus‘Helios Flame’ It produces a gorgeous flower, is prolific and floriferous, and it blooms all summer and autumn long! The rubies from Möng Hsu are a rich, fluorescent red and are easily distinguished by their dark core. These gems were often treated at very high temperatures to enhance their color. Reaching a height of around 1.5m and producing flowers of average size and which has a corresponding average blooming season, ‘Velvet Queen’ is actually a very special cultivar.Also of a nondescript height nearing 1.5m and also producing flowers of an average size, ‘Ruby Sunset’ is also very much a special cultivar. While ‘Russian Giant’ is the least tall of our giant sunflower selections at 2.5-3m tall, it produces truly giant flowers at 30cm across. In the late 1990s, gem-quality rubies began appearing in much more abundance from the Möng Hsu region of Myanmar. Beginning in the mid-1990's, mines near Songea began to produce material with a dark, garnet-like color veering towards orange. While this material is ruby of a sort, it's marginal due to its high iron content.

Gems sold as "Serengeti Rubies,""River Rubies," and "Cape Rubies" may not be actual rubies. Learn more about these misleading names here and consult our List of False or Misleading Gemstone Names. Care A real plus point is that this giant cultivar is a branching type, so it bears multiple flowers on each stem. The term "star ruby," in addition to referring to rubies that display asterism, many also refer to transparent red corundum too light or too purple to properly call ruby. Either way, this is definitely the sunflower with the most contrasting colours and it has been credited with the RHS Award of Garden Merit. 3) H. annuus‘Garden Statement’

Sunflower Seeds - Ruby Sunset

Today, there are heating and diffusion processes that can increase the rutile content and improve the star effect in such gems. Inclusions