okay, the variety you selected is apparently pretty good, even if it was perfected in Arkansas.
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About Natchez Thornless Blackberry Plant...
The Natchez Thornless Blackberry Plant availability has been eagerly awaited since its development in 2007 by researchers at the University of Arkansas and the United States Department of Agriculture. Due to its consistently high yields of large, great tasting berries, the Natchez Blackberry is thought to be a replacement for many of the current commercial thornless varieties and re-establish profitability for growers. Also, there have been no disease problems observed with the Natchez Thornless Blackberry Plant, so it is also being recommended for home-growers.
The Natchez Thornless Blackberry fruits are very large, elongated and glossy black in color. Weighing in at 8-9 grams each, it only takes 3-4 berries to make an ounce. Natchez Blackberries have a 9.5% sugar content which makes them great for jams, jellies, juice mixes or just eating fresh off the bush.
The Natchez Blackberry is considered an erect to semi-erect variety, but would truly benefit from trellising. Some extra support will be especially appreciated in early to mid June, when its abundant yield of berries begin ripening. The Natchez Thornless Blackberry Plant was developed to be very adaptable and is expected to grow well in all areas of USDA zones 4-9.
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Fertilizer is recommended 4-4-4, fish oil emulsion.
They ship no plants until November 15. Another retailer sells today.
Many thanks.