Although many of the psychological problems of post-polio patients are similar to those of other physically disabled groups, there is one major difference: the patient now experiences, both physically and emotionally, a recurrence of the disabling disease.
Crabapple trees grow 8 to 10 inches per year, according to Clemson University Extension. This varies depending on the species.rabapple trees grow 8 to 10 inches per year, according to Clemson University Extension. This varies depending on the species.
They are also used as pollinizers in apple orchards. Varieties of crabapple are selected to bloom contemporaneously with the apple variety in an orchard planting, and the crabs are planted every sixth or seventh tree, or limbs of a crab tree are grafted onto some of the apple trees.he flowers are borne in corymbs, and have five petals, which may be white, pink or red, and are perfect, with usually red stamens that produce copious pollen, and a half-inferior ovary; flowering occurs in the spring after 50â80 growing degree days (varying greatly according to subspecies and cultivar).