Important fruit tree rootstocks for garden use and
their effects on tree size:

FRUIT Rootstock CHARACTERISTICS:

Apple M.27 Very dwarfing (tree attains 1.5m);
only suitable for very good soils;
requires permanent stake.
M.9 Dwarfing (tree attains
2m); the best rootstock
for general garden use;
requires permanent stake.
M.26 Semi-dwarfing (tree attains 2.5m); good
for
poorer soils.
MM.106 Semi-vigorous (tree attains 3-4m); better
than
M.26 for weaker cultivars.

Pear Quince C Moderately dwarfing (tree
attains 3-5m); best for
general garden use but
not for poor soils.
Quince A Moderately vigorous tree
(tree attains 4-5m);
best for poorer soils.

Plum Pixy Dwarfing (tree attains
2-3m but must be pruned
to achieve this restriction).
St Julien A Semi-dwarfing (tree attains 3m but must
be
pruned to achieve this
restriction).

Cherry Colt Semi-vigorous (tree attains 3m but must be
pruned to achieve this
restriction).
F 12/1 Vigorous (tree attains 10m).

Damson Pixy See plum
St Julien A See plum

Peach St Julien A See plum

Quince Own roots

Medlar Own roots