Rootstock comparison table
Rootstock | Northern Spy |
---|---|
Summary | Trees on ‘Northern Spy’ tend to be shallow rooted and will often develop a one-sided root system. It prefers good soil conditions. |
remove |
Using
Northern Spy | |
---|---|
Species compatibility | Apple |
Vigour % of standard | 100% |
Growing
Northern Spy | |
---|---|
Rootstock size class | Standard |
Precocity | Slow to start bearing |
Climate
Northern Spy | |
---|---|
Cold hardiness (USDA) | Zone 4 (-34C) |
Identification
Northern Spy | |
---|---|
Country of origin | United States |
Period of origin | 1800 - 1849 |
Problems
Northern Spy | |
---|---|
Fire blight | Very susceptible |