Prunus cerasus (Lyubskaya) x Cerapadus Michyunin (P. cerasus x P. maackii)

Compatible with both sweet and sour Cherries this rootstock is semi dwarfing produces trees 75% the size of F12. With a smooth graft unions, excellent tree form and good adaption to cold climates. It produces high yields early with good fruit size and firmness. Resistant to wet soils and tolerant to water stress, however sensitive to Prunus ringspot and Prunus dwarf virus with moderate suckering.