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Growing Filbert

Growing Filbert

Jefferson European Filbert


Small ornamental trees that produce edible nuts in fall. Usually has a shrubby habit, growing 10 to 12 feet tall. Good for screening, windbreaks, and background plantings. Nut yields are best when two varieties are planted together. Corylus avellana is also called European Hazelnut and is hardy in zones 5 to 8. Produces hanging "catkin" flowers that provide late winter to early spring interest. Usually begin producing nuts 2 to 3 years after planting. Plant bare root Filbert in spring 4 to 8 weeks before the last frost in a hole 12 to 18 inches wide and deep enriched with compost or other organic material. Set with the roots slightly deeper than when grown in the nursery. 


Low-maintenance and easy-to-grow.  Prefers part shade but can be grown in full sun. Benefits from mulching. Flowers and nuts are produced on one year old growth. Responds well to pruning for shaping trees or maintaining a compact height. 

Fertilizer Recommendations

Use full rates of Gromax Fertilizer Tablets 20-10-5 (51165), Algoflash All-Purpose Liquid Fertilizer 6-6-6 (51085), or Neptune Fish & Seaweed Fertilizer 2-3-1 (51221).

Alternative Products

Other hardy nut trees are Chestnut and Pecan. Corylus is a related ornamental shrub.

Complimentary Products

Moderate feeders that benefit from occasional fertilization. Other hardy shrubs used as screens include Meadowlark Forsythia (20478) and Lilac.

Filbert Facts

Occasionally suffers from feeding by aphids, caterpillars, and sawflies. Squirrels may feed on the nuts. Eastern Filbert blight can be a serious disease problem, but Jefferson (22187) and Theta (22188) are blight-resistant varieties developed at Oregon State University. 

Growing Tips