USDA Hardiness Zone 6-9

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Marionberry is a blackberry cultivar that has raspberry and loganberry DNA in its lineage.  It is considered to be THE blackberry in terms of flavor.  Sweet and tart in a delicate balance without the bitterness associated with wild blackberries.  Self pollinating and has thorns.

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Marionberry is rated as Zone 6 hardy, which is borderline for most of the Front Range (Zone 5B).  Marionberry's  excellent flavor makes it worth growing despite the potential for loss in exceptionally cold winters (colder than      -10F).  Recommend planting with southern exposure avoiding low lying areas where pockets of cold air settle to minimize the chance of loss.