The great multigraft espallier experiment on long island

[Toadham]

Here’s a helpful link for vigor

Estimated Tree Vigor For Apple Varieties from HOS

Estimated Tree Vigor For Apple Varieties (This is taken from the now-defunct Home Orchard Society website. If anyone knows the original author please let me know and I will add it.) Many factors enter into the equation to determine tree size: rootstock, soil fertility, growth habit, and vigor. HOS has printed much information on rootstocks and this is readily available. Soil fertility is a variable that must be taken into consideration, but each growth site is different. Growth habit deals wi…