Home Orchards: Table 4.3 Apple and Pear Tree Spacings on Various Rootstocks

Informational table showing apple and pear tree spacings and probable yields on various rootstocks.
Home Orchards: Table 4.3 Apple and Pear Tree Spacings on Various Rootstocks - Articles
Home Orchards: Table 4.3 Apple and Pear Tree Spacings on Various Rootstocks
RootstockApproximate Size
(% Seedling)
Suggested
Spacing
(ft)
Average Yields for Trees at
Least 10 Years Old
(Bushels)
Apple:
Budagovsky 9253 x 121 to 2
Malling 9353-5 x 121 to 2
Geneva 41354-5 x 121 to 2
Budagovsky 10407-8 x 12-143 to 4
Malling 26408 x 163 to 4
Geneva 93540-457-8 x 12-143 to 4
Malling 7 or 7A6012 x 2010 to 12
Interstem treesa4012 x 2010 to 12
Malling Merton 111b7018 x 2620 to 25
Pear:
Interstem trees10 x 185 to 10
Seedling20 x 2815 or more

a. Apple interstem trees are composed of either MM. 106 or MM. 111 roots, a 6- to 8-inch stempiece of M. 9 or M. 27, and the scion variety on top. Pear interstem trees are composed of Quince root, a 6- to 8-inch piece of Old Home trunk, plus the desired scion.
b. Malling Merton trees require extremely well-drained soils to perform as advertised. Do not plant them where drainage is slow or the soil is heavy clay.