Shrub, Tree

Corylus avellana ‘Merveille de Bollwiller’

Filbert 'Halle'sche Riesennuss'
Hardiness H6

Corylus avellana ‘Merveille de Bollwiller’ (Filbert ‘Halle’sche Riesennuss’) is a large shrub or small tree with pale yellow spring catkins, fresh green foliage, and heavy crops of large autumn nuts. With its spreading form and seasonal colour, it is both ornamental and productive, making it a valuable choice for Irish gardeners interested in edible fruit.
SKU: COR-7.5L-RI1A0E
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Flowering Months
Jan J
Feb F
Mar M
Apr A
May M
Jun J
Jul J
Aug A
Sep S
Oct O
Nov N
Dec D
Size
Max Height
4.0 m — 8.0 m
Max Spread
2.5 m — 4.0 m
Growth Habit
Widely extends outward with many lateral branches from center.
Planting Position
Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Full Sun Part Shade
Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
North South East West
Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
(−20 to −15 °C) Very cold-hardy
Ideal Soil Conditions
Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Chalk Clay Loam Sand
Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable / Free draining
Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Alkaline Neutral

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