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giant filbert
Scientific Name: Corylus maxima
Family: Betulaceae
Category: Dicot
Growth:
Duration:
Other Names:
Hall's Giant Filbert (Corylus maxima 'Hall's Giant')
The Hall's Giant Filbert, also known as Hall's Giant Hazelnut, is a popular cultivar of the Giant Filbert (Corylus maxima) prized for its flavorful nuts and attractive appearance. It is known for producing large hazelnuts and being a prolific cropper.
Considerations for Pets
- This plant produces nuts, which could be a choking hazard, especially for smaller pets.
Considerations for Children
- This plant produces nuts, which could be a choking hazard, especially for younger children.
- The leaves have a double serrate (toothed) margin, which might be a minor irritant upon contact.
Taxonomy and Nomenclature
- Scientific Name: Corylus maxima 'Hall's Giant'
- Common Names: Hall's Giant Filbert, Hall's Giant Hazelnut, Giant Filbert
- Family: Betulaceae (Birch Family)
- Species: Corylus maxima Mill.
- Synonyms/Alternative Names: Halle'sche Riesennuss
Distribution and Habitat
- The Corylus maxima, the species to which Hall's Giant belongs, is native to Eurasia.
- It thrives in cooler climates and is hardy to zone (UK) 5.
Morphological Characteristics and Growth Habits
- Corylus maxima is a deciduous shrub that can grow up to 6 meters (approximately 19 feet) tall and 5 meters (approximately 16 feet) wide.
- Filberts can be grown as either shrubs or trees.
- The 'Purpurea' variety (Corylus maxima 'Purpurea') is a small tree or large shrub with purple foliage.
- Leaves are alternate, ovate to obovate, with a double serrate margin.
Ecological Role
- Susceptible to Eastern Filbert Blight (EFB), but 'Hall's Giant' exhibits some level of resistance.
- Can be used as a pollinator for other hazelnut varieties.
Cultivation and Uses
- Hall's Giant is considered one of the best filbert varieties for taste.
- The nuts can be eaten fresh or used in cooking.
- Requires a suitable pollinator for optimal fruit production.
- Grows best in full sun or partial shade and well-drained soil.
Quirky Facts
- In the past, a giant balloon was inflated over a Filbert Street pitch to protect the playing surface from frost, snow, and rain, highlighting the association of the name "Filbert" with sports fields.
Further Information
- USDA Plant Hardiness Map
- GRIN (Germplasm Resources Information Network)
- ITIS (Integrated Taxonomic Information System)
- Catalog of Life