Corylus maxima

Filbert / Hazelnut

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Deciduous shrub producing edible hazelnuts; requires cold winter dormancy and full sun for optimal growth and nut production.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name Filbert / Hazelnut
Family Betulaceae
Genus Corylus
Species Maxima
Origin Europe, Western Asia
Blooming Late winter/early spring catkins, before leaves emerge.
Leaf Color Green to Purple (varies), turning yellow in autumn
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Rich, well-draining loam with high organic content; slightly acidic to neutral pH.

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Watering

Regular watering during growing season; reduce significantly in winter dormancy. Avoid waterlogging.

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Sunlight & Care

Full sun required for best nut yield and foliage color development.

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth begins.

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Pruning

Prune after harvest or late winter to remove dead wood and shape shrub.

Pest Control Aphid Caterpillar Mite Scale Insect

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
agriculture Harvesting Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
5° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 65%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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