- See also:
- Very-dwarf apple9
- Dwarf apple76
- Semi-dwarf apple40
- Semi-vigorous apple6
- Vigorous apple10
Northern SpyStandard apple rootstock
| Used for: | Apple |
| Developed by: | Oliver Chapin (farmer) |
| Country of origin: | United States |
| Introduced: | Early 1840s |
| Parentage: | Unknown, possibly some connection to Spitzenburg |
Trees on ‘Northern Spy’ tend to be shallow rooted and will often develop a one-sided root system. It prefers good soil conditions.
Northern Spy rootstock characteristics
- Species compatibilityApple
- Vigour % of standard100%
- Rootstock size classStandard
- PrecocitySlow to start bearing
- Cold hardiness (USDA)(4) -30F / -34C
- Country of originUnited States
- Period of origin1800 - 1849
- Fire blightVery susceptible
Find our more about this rootstock in the 'Manual of Worldwide Temperate Zone Fruit and Nut Tree Rootstocks'.