Fruits
Corylus
Hazelnut
Also known as: Filbert
A deciduous nut-bearing shrub or small tree with dangling winter catkins. The inventory does not identify a species or cultivar, so mature size and blight resistance cannot be stated precisely.
At a glance
- Sun
- Full sun to part shade
- Water
- Moderate; well-drained soil
Sizes & prices
- #5$42.99
Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.
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Fruit & harvest
- Pollination
- Wind-pollinated; choose genetically compatible selections with overlapping pollen release and receptive female flowers. Check the stock tags before pairing.
Growing & care
- Care & pruning
- Allow space for a multistem shrub and prune out dead or overcrowded stems in late winter. Check the exact stock identity for eastern filbert blight resistance.
- Winter
- American, European and hybrid hazelnuts differ in cold tolerance. American hazelnut contributes winter hardiness to hybrids; select the named stock for your site rather than relying on a single rating for all hazelnuts.
- Size & habit
- Size varies by species and training. Unpruned European types may reach 20 ft. tall and 15 ft. wide.
- Harvest
- For European cobnuts and filberts, harvest as the husks begin yellowing. Ripening time varies; do not use a UK harvest date as a Kentucky calendar.
Sources & photo credits
Oregon State University Extension
cropsandsoils.extension.wisc.edu
Photo: H. Zell (image resized for display) · CC BY-SA 3.0
Size & selection: Size depends on the species and training. European cobnuts and filberts can reach about 20 ft. tall × 15 ft. wide unpruned; this is not a size promise for every hazelnut.
Reviewed October 1, 2026. Growing conditions vary by location.