![]() The “ ex” before the name is a ploy that reveals you are buying seedlings with 'Winter Gold' as the mother tree. ![]() How fast they grew! When I placed my order I wasn't paying attention and I thought I was buying 'Winter Gold' itself. I think it is a recent horticultural discovery, so the 'Pendula' name is not valid, and I would love to know what it is really called in Japan.Ī few years ago I purchased 50 trees of Acer ex rufinerve 'Winter Gold' and now they are 7-8' tall at the northeast corner of GH15. I am unaware of anyone else in America who is producing this cultivar, with my start coming from Japan. I'm still growing these expensive trees on to a larger size before selling, and I will need a couple hundred dollars each before I can break even. monadelpha as rootstock I achieved 15% success for 'Pendula' one winter with grafts placed on the hot pipe, and that has been my best result yet. Hmm.was it because the crew spaced out and forgot to vent the poly on a very hot day? It was probably 150 degrees under the poly and the rootstock leaves burned, or did the grafts not take due to another reason or reasons? Stewartias are notoriously difficult to graft anyway, and one hates to scar the expensive rootstocks. It was a 100% failure as zero grafts took. Last year we grafted about fifty Stewartia monadelpha 'Pendula' onto Stewartia pseudocamellia rootstocks. It was introduced to Europe by Scotsman David Douglas in 1826 and scientifically described by the German-American botanist Frederick Pursh who was noted for studying the plants collected on the Lewis and Clark Expedition. I guess that I mess around with these macrophyllums because the species is native to Oregon's woods and I have known the big monsters all of my life. The newly planted 'Golden Riddle' did burn – not surprising for an unestablished golden tree – but then new growth appeared in August and it withstood a number of 90 degree days. ![]() I was especially pleased that the variegated 'Santiam Snow' held up without significant burning on our 106 degree day in July. ![]() I planted all three cultivars in full sun in the Quercus section at Flora Farm and eventually the canopies will mingle. The intention will be to list them for sale at 4-5 years of age when they'll be about 8'-12' tall. A hundred grafts per year is enough for me, and this summer we divided the rootstock up for 'Mocha Rose', 'Golden Riddle' and 'Santiam Snow'. Not many companies produce forms of the “Big-leaf maple” because they're only hardy to -10 degrees (USDA zone 6) and because of their eventual size. The Acer macrophyllum cultivars are looking good as well. ![]()
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