Reddish purple skin, greenish yellow flesh, very sweet. Used fresh and for canning. Lower chilling requirement than other European prune/plums.
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Article
Sugar Prune
Sugar Prune

- Estimated Chilling Requirement
550 hours below 45°F - USDA Plant Hardiness Zones
5 - 9 - Pollination
Self-fruitful.
- Bloom Season within fruit type(see note)
very late - Harvest Season within fruit type
early midseason - Harvest Dates
August 5 to August 25(approximate for Hickman, CA)
-WHERE TO BUY-
HOME GARDEN/RETAIL NURSERY CATALOG
WHILE DWARFING ROOTSTOCKS HAVE IMPORTANT ADVANTAGES, ROOTSTOCKS SHOULD BE SELECTED PRIMARILY FOR ADAPTABILITY TO THE SOIL AND CLIMATE OF THE PLANTING SITE. For the 2020-21 planting season, Sugar is offered on the following rootstock(s) (listed in order of quantity in production, largest quantity first):
Citation (semi-dwarf, 3/4 of standard size)
Marianna 26-24 (semi-standard, slightly dwarfing)