- Name: American Hazelnut - Other Common Names: American Filbert - Scientific Name: Corylus Americana - Color: Yellow - Brown / Reddish - Plant Seeds: Fall Sow Seeds Or Cold Stratify - Bloom Time: Flowers April - June - Harvest: Nuts Sept - Oct - Hardiness Zone: 4 - 9 - Plant Height: 12 - 15' - Plant Spacing: 6 - 8' - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 5 Seeds - Other: The American Hazelnut Is A Shrub Or Small Tree Native To The Eastern Us & Canada. They Are Grown For Their Edible Nuts, Their Value To Wildlife, & As An Ornamental. The Hazelnut Has A Medium To Fast Growth Rate. They Tolerate Soil That Is Dry Or Moist, As Well As Rocky, Sandy & Heavy Clay Soil. They Can Easily Pruned Into Your Desired Form. The Plants Have Both Male & Female Flowers That Look Different From One Another. The Male Flowers Are 2 - 3" Long & Showy, & The Reddish Female Flowers Turn Into Fruit (Nuts). These Edible Hazelnuts Are Sweet & Are Roasted Or Made In To Flour. The Nuts Are Also Loved By Squirrels, Deer, Turkey, Woodpeckers, Pheasants, Quail, Grouse, & Jays. In Fall, The Leaves Turn Lovely Combinations Of Yellow, Orange, Rose, & Purplish Red.