Hazelnut Pollination: Choosing Compatible Cultivars for Better Yields

Cross-Pollination Essentials for Hazelnuts

Hazelnuts (corylus) require cross-pollination between compatible cultivars for optimal nut production. The 'Kent Cob' variety you're interested in is a specific cultivar that needs a suitable pollination partner. Not all hazelnut species or cultivars will effectively pollinate each other—compatibility depends on flowering time, genetic compatibility, and pollen viability.

Finding the Right Pollination Partners

The Royal Horticultural Society (RHS) provides detailed guidance on hazelnut cultivars and their recommended pollinators. Their database lists which varieties work well together. Another excellent resource is the Cobnuts.co.uk website, which specifically covers Kent Cob and other traditional cultivars with pollination charts.

Practical Steps for Your Hazelnut Planting

• Identify 2–3 compatible pollinator cultivars recommended for Kent Cob.
• Plant at least one pollinator within 50 feet for effective wind pollination.
• Ensure overlapping bloom periods—most hazelnuts flower in late winter to early spring.
• Consider planting multiple pollinators to hedge against poor bloom years.

For localized advice, contact your regional horticultural society or extension service. They can recommend cultivars proven in your specific climate and soil conditions.