About
Corylus maxima 'Halle'sche Riesennuss' is a deciduous shrub or small tree that can reach heights of up to 8 meters and spread 5 meters wide. In early spring, it produces pale yellow catkins, followed by green foliage that transitions to a light yellow hue in autumn before it drops. This cultivar is known for its prolific production of large nuts in the fall, so be sure to collect them before the squirrels do!
About the genus
Corylus comprises deciduous trees and sizable shrubs featuring wide leaves. In early spring, they produce prominent male catkins, which are succeeded by edible nuts.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Shrubs, Trees
- Habit
- Spreading branched
- Foliage
- Deciduous
- Height
- 4-8 metres
- Spread
- 2.5-4 metres
- Time to full height
- 5-10 years
- Suggested uses
- Wildlife gardens
Care notes
- Cultivation
- Grow in nay fertile, well-drained but moisture-retentive soil. For more information see cobnut cultivation and filbert cultivation.
- Pruning
- Pruning group 1
- Propagation
- Propagate by hardwood cuttings in autumn
- Pest resistance
- May be susceptible to caterpillars, gall mites, aphids and sawflies. Squirrels like to feed on the nuts
- Disease resistance
- May be susceptible to honey fungus, silver leaf and powdery mildews