Delta Filbert Tree

Delta Filbert Tree

This disease resistant variety from Oregon State University, Delta Filbert Tree is compact, productive, and bears delicious richly flavored large nuts. Catkins open in mid to late season. Delta is a great pollinizer for Yamhill. This variety is disease resistant against filbert blight and bud mites.

Latin Name: Corylus avellana
Site and Soil: Filberts like 1/2 day to full sun and well-drained soil.
Rootstock Description:
Pollination Requirements: Plant with another hazelnut tree for cross pollination.
Hardiness: Filbert trees are hardy to minus 25º F. Flowers are hardy to approx. minus 15F.
Bearing Age: 2-3 years after planting
Size at Maturity: 8-12 ft. in height
Bloom Time: Winter and spring
Ripening Time: September
Yield: 20+ lbs.
Pests & Diseases: Delta Filbert is immune to Eastern Filbert Blight. Filbert worm can damage nuts of all Filbert varieties.
USDA Zone: 5
Sunset Western Zone: 2-7
Sunset Northeast Zone: 32, 34-43