Castleton™ plum developed at New York State Agricultural Experiment Station, Geneva, NY by R.L. Anderson, J.P. Watson, and K.G. Livermore. It is a cross between Valor and Iroquois, which is made in 1966 and tested as NY 66.6090.4 and introduced in 1993. Fruit resemblance Stanley by size but it is more around. The skin is dark purple and ripens several days before Early Italian. The tree is partially self-fertile and produce heavy yield.
Castleton™ Plum Tree
The fruit is blue and slightly ovate. It appearance resembles Stanley and ripens about three weeks ahead of Stanley. The trees are spreading and consistently produce a heavy crop.
General Tree Height/Caliper: Most of our fruit trees (apple, peach, apricot, plum, pear, nectarine, quince, and cherry) are grafted/budded and are 4-6' tall with a caliper/diameter of about 1/4-3/4". Most have more than 5' height and 1/2" diameter. The other trees are seedlings, such as pawpaw, mulberry, persimmon, shade, berry, and flowering trees which range from 18-36" tall.
A rootstock primarily controls a tree's size and how early it bears fruit. Learn more about our specific rootstocks.