Spring Snow Crabapple TreeThe 'Spring Snow' crabapple is a mostly fruitless ornamental tree named after the pure white blossoms that cover the branches in spring, creating a snow like effect. Discovered in Parkside, Saskatchewan in 1963. An aesthetic crabapple tree in case you're not looking for actual fruit. Cold Hardiness: Zone 3 Plant Details One year old trees grafted onto one or two year old rootstocks. Apple trees are typically 12 to 20" tall.