Hazelnut trees are grown for the nuts which are roasted, eaten fresh as well as used to make spreads. So is a Hazelnut a Filbert... yes they are the same. And yes they make a nice ornamental as well.
Hazel Nut trees are available for sale from the following specialist nurseries.
STARK Bro's NURSERIES& ORCHARDS Co.- phone: 1-800-325-4180 fax: 573-754-8880
PO Box 1800 Louisiana MO 63353
Originators of Red and Golden Delicious apples. Full line of fruit, Apricots, Berries, Cherries, Quinces, Pears, Grapes, Nuts, shade and flowering trees, shrubs roses and small fruits .Includes: Blackberries
Z's Nutty Ridge LLC NY
email - firstname.lastname@example.org
Hazelnut and Chestnut for USDA zones 4 to 7. Blight resistant tree