A dwarfing rootstock also known as Budagovsky 9 crossed from an M.8 x Red Standard (Krasnij Standard) in the Soviet Union. Slightly more dwarfing and with higher yields than M.9. Selected as survivor of massive fireblight outbreak as an outstanding disease resistant specimen. Very cold hardy. American growth patterns tend to be more upright. Rootstocks are about 18" long and are ¼" in caliper. Sold in packs of 5, 10 and 25. Final Height: 35-40% of Standard; ~9-11' Resistances: Resistant to fireblight that improves with age. Suckering: Little Support Required Precocity: Very early Cold Hardiness: Hardy Also known as B9, Bud 9, B.9, Bugaovski 9. Tree tags might reflect this difference in nomenclature. Ships Spring 2026.