Corylus maxima
TAXONOMY
FamilyBetulaceae
GenusCorylus
Zone4
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Corylus maxima, commonly known as the filbert or giant hazel, is a deciduous shrub or small tree native to southeastern Europe and southwestern Asia. It is known for its edible nuts, which are larger than those of the common hazel. The plant prefers temperate climates and can grow up to 6 meters in height. It has a dormancy period during the winter months.
ALSO KNOWN AS
European Hazelnut
Filbert
Giant Filbert
Lambert Nut
Purple Crab
Purple Crab Apple
Corylus arborescens
Corylus avellana var. purpurea
Corylus avellana var. rubra
Corylus intermedia
Corylus maxima f. atropurpurea
Corylus purpurea
Corylus rubra
Corylus sativa
Corylus tubulosa
Corylus tubulosa var. atropurpurea
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightMedium (6 Hours)
Temperature15° C
Humidity60%
GDD2,250
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Corylus maxima requires moderate temperatures and should be planted in an area that receives medium light. It prefers soil that dries out partially between waterings and thrives in environments with moderate humidity. Regular watering and occasional fertilization will help the plant grow well.Harvest
Corylus maxima, commonly known as the filbert or giant hazel, is typically harvested in late summer to early autumn when the nuts have fully matured and the husks begin to turn brown and split open. Harvesting is usually done by hand or by shaking the branches to dislodge the nuts, which are then collected from the ground. It is important to ensure that the nuts are fully ripe for the best flavor and storage quality. After harvesting, the nuts should be dried thoroughly to prevent mold and extend shelf life.Soil
The plant prefers loamy soil with good drainage. It can tolerate a range of soil types but performs best in soil that is rich in organic matter. Ensure the soil is well-draining to prevent waterlogging.Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant in early spring and again in mid-summer to support its growth and nut production.Repotting
Repotting is generally not required for Corylus maxima as it is typically grown outdoors. However, if grown in a container, repot every 2-3 years to refresh the soil and provide more space for root growth.Propagation
Corylus maxima can be propagated through seeds, layering, or cuttings. The best time to propagate is in late winter or early spring. For layering, bend a low branch to the ground and cover it with soil until it roots.Pruning
Pruning is necessary to maintain the shape and health of the plant. Prune in late winter or early spring before new growth begins. Remove any dead or diseased branches and thin out crowded areas to improve air circulation.Toxicity
Corylus maxima is not toxic to pets or humans. The nuts are edible and commonly consumed, but the plant itself poses no known toxicity risks.Additional
Corylus maxima is valued for its nuts, which are used in various culinary applications. The plant also provides habitat and food for wildlife, making it a beneficial addition to gardens and natural landscapes.REVOLUTIONIZE YOUR PLANT CARE
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