Useful Links

We hope you'll find the following resources useful as you care for and grow out your CopenHaven Farms' fruit tree rootstock.

Washington State Tree Fruit  WSU Tree Fruit Research and Extension develops and applies research-based information for sustainable tree fruit production in Washington State, and the world.

Cornell University The joint Cornell University and United States Department of Agriculture-Agricultural Research Service (USDAARS) Apple Rootstock Breeding and Evaluation Program develops new rootstock cultivars with an emphasis on productivity, yield efficiency, ease of nursery propagation, fire blight resistance, tolerance to extreme temperatures, resistance to the soil pathogens of the sub-temperate regions of the US, and tolerance to apple replant disorder.

Scion On  is a New Zealand based company specializing in the development of grafting tools for horticultural use.