Life Span
Perennial
Perennial
Type
Shrub, Tree
Perennial
Origin
Europe, Northern Africa, Western Asia
Europe
Types
Common Hazel, Asian Hazel, Beaked Hazel
-
Number of Varieties
146
0
40000
👆🏻
Habitat
Deciduous forests, Terrestrial
dry rocky watercourses
USDA Hardiness Zone
4-83-9
0
99
👆🏻
AHS Heat Zone
8-1
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
370.00 cm71.10 cm
0
3900
👆🏻
Minimum Width
300.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Blue Violet, Lavender, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Green
Green, Sea Green
Leaf Color in Summer
Green, Dark Green
Green, Sea Green
Leaf Color in Fall
Yellow, Green, Brown
Green, Sea Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Heart-shaped
Lanceolate to elliptical
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Grafting, Micropropagation, Seedlings, Tip Layering
Rhizome division
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in early spring
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Less fertilizing
All-Purpose Liquid Fertilizer
Pests and Diseases
Anisogramma anomalae, Armillaria mellea, Curculio occidentis, Phyllactinia guttata
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Butterflies
Allergy
Diarrhea, Hay fever, Mouth itching, Rhinoconjunctivitis, Swelling in mouth, Throat itching, Vomiting
Gastric disturbances, Skin irritation
Uses
Aesthetic Uses
Used for making hedges
Showy Purposes
Beauty Benefits
Acne, For treating wrinkles, Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Anthelmintic, Astringent, Diaphoretic, Febrifuge, Miscellany, Nutrients, Stomachic, Tonic
Juice of fresh root used for treatment of dropsy
Part of Plant Used
Bark, Catkins, Fruits, Leaves
Root
Other Uses
Basketary, Charcoal, Cosmetics, For making oil
Making Perfumes, Used as a flavouring in food
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Foundation, Fruit / Fruit Tree, Hedges, Mixed Border, Screening / Wind Break
Cutflower, Feature Plant, Mixed Border
Botanical Name
CORYLUS avellana
Iris germanica
Common Name
European Filbert, Filbert, Harry Lauder's Walking Stick, Hazelnut
German Iris
In Hindi
Hazelnut
German Iris
In German
Haselnuss
German Iris
In French
Noisette
German Iris
In Spanish
Avellana
German Iris
In Greek
Φουντούκι
German Iris
In Portuguese
Avelã
German Iris
In Polish
Orzech laskowy
German Iris
In Latin
Hazelnut
German Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Corylus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Coryleae
Irideae
Subfamily
Coryloideae
Iridoideae
Number of Species
18300
1
27800
👆🏻