NY9® (Kenmore Cv.) PP#14,020 was released by Cornell University and is being offered under license agreement with International Plant Management. NY9® is self-fertile and considered a good pollinator for other European plums. Fruit quality is exceptionally good for both fresh and processing. It has deep blue skin with yellow-green flesh. The tree is more upright and more vigorous than Stanley. It is freestone and has mild sweet flavor. It ripens in early September at Upstate New York and considered more productive and disease resistant than Stanley. Cold hardiness zones 5-8.
NY9 Plum Tree
NY9® originated at Cornell University and being tested as a possible replacement for Stanley. The fruit quality is exceptionally good for both fresh and processing. The most of characteristics: yield, size, and ripening times are very similar to Stanley. It is self-fertile.
General Tree Height/Caliper: Our grafted/budded apple, peach, apricot, plum, pear, nectarine, and cherry trees are about 4-6' tall with a caliper/diameter of about 1/4-3/4". Most have more than 5' height and 1/2" diameter. Most other trees are seedlings ranging from 18-36" tall. You know if a tree is a seedling when the rootstock selected says "Seedling".
A rootstock primarily controls a tree's size and how early it bears fruit. Learn more about our specific rootstocks.