Damson Plum Tree Certified 5 Seeds #3931 Item UPC#636134972427 Plums for blue ribbon-winning preserves! This consistent tree bears heavy crops of medium-size plums that are tart and juicy. 5 Seeds Tree is vigorous and hardy. Clingstone. Ripens in September. Self-pollinating. Bloom Color	White Fruit Color	Purple Fruit Size	Small - Medium Pollination	Self-pollinating Ripens/Harvest	September Shade/Sun	Full Sun Soil Composition	Loamy