Rubus 'Marion' (Marionberry Blackberry)
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Rubus 'Marion', also called Marion blackberry or Marionberry, is a cultivar of blackberry in the genus Rubus, a large genus of edible berries that also include raspberries, dewberries, and bristleberries. Some members of Rubus are native to North America, others, and introduced, and others are hybrids, because different Rubus species readily cross-pollinate and produce offspring. The Marionberry was originally developed in Marion County, Oregon by George F. Waldo, a member of the USDA's Agricultural Research Service. 'Marion' combines the tart-sweet flavor of the 'Chehalem' blackberry with the size and longer season of the 'Olallie' blackberry, to produce a large, flavorful blackberry that produces white flowers in the late spring and berries which ripen from early to mid summer.
While Marionberries are obviously valuable to the home gardener for their tasty fruit, they're also ecologically valuable to a variety of pollinators, including butterflies and their larvae, as well as birds and mammals small and large.
Like other blackberries, 'Marion' plants produce canes, partially woody, drooping branches covered in spines, that bear leaves, flowers, and fruit. These canes will occasionally droop to the ground and begin rooting, allowing the plant to propagate themselves asexually. 'Marion' performs well in full-sun and in well-drained soils, but can also grow in part-shade and a variety of soil types.