Prunus salicina 'AU Rosa' (Dwarf Plum)
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Prunus salicina 'AU Rosa' is an improved cultivar of Japanese plum characterized by its large rounded fruit with red or yellow skin and golden flesh, which is firm, juicy, sweet, and perfect for eating fresh or turning into preserves. 'AU Rosa' improves upon Prunus salicina cultivar 'Santa Rosa' with increased disease resistance and more profuse fruit production, even in harsher climates.
As a dwarf variety, 'AU Rosa' grows to 8-12' tall and wide and produces fragrant white-pink flowers between in early to mid season, with fruit maturing by late June to July. While some plum varieties need a pollinating partner, 'AU Rosa' is self-fertile and flowers profusely, with heavy fruit set even as a solo tree. 'Au Rosa' can still be planted with another early to mid season plum variety, like 'Satsuma' to increase the fruit yield of both trees. While 'AU Rosa' has heavier fruit set than some varieties, it requires far more cold hours than other cultivars, and will only flower heavily if it spends time in 40°F or lower conditions for over 700 hours over the course of the winter.
'AU Rosa' does well in a variety of soil types, but excels in fertile, well-draining soil that's kept moist but not wet. Flowers are attractive to a variety of pollinators, butterflies produce offspring within trees, and fruits attract a variety of wildlife too! Adding Prunus salicina 'AU Rosa' as a specimen tree is a great way to support the local ecosystem and all of your plum-loving friends and family too, since one tree can produce over 50 pounds of plums at maturity!