Life Span
Perennial
Perennial
Type
Shrub, Tree
Perennial
Origin
Europe, Northern Africa, Western Asia
-
Types
Common Hazel, Asian Hazel, Beaked Hazel
Iris hexagona, Iris fulva
Number of Varieties
14160
0
40000
👆🏻
Habitat
Deciduous forests, Terrestrial
gardens, Wet ground
USDA Hardiness Zone
4-86-9
0
99
👆🏻
AHS Heat Zone
8-1
9-5
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
H1, H2, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
370.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
300.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Yellow, Green, Brown
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Heart-shaped
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Winter
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Grafting, Micropropagation, Seedlings, Tip Layering
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Requires watering in the growing season
Do not let dry out between waterings, Requires a lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Ample Water
In Winter
Average Water
Regular watering required
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in early spring
Remove damaged leaves, Remove dead leaves
Fertilizers
Less fertilizing
All-Purpose Liquid Fertilizer
Pests and Diseases
Anisogramma anomalae, Armillaria mellea, Curculio occidentis, Phyllactinia guttata
Caterpillars, Rust
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
Diarrhea, Hay fever, Mouth itching, Rhinoconjunctivitis, Swelling in mouth, Throat itching, Vomiting
-
Uses
Aesthetic Uses
Used for making hedges
Bouquets, Showy Purposes
Beauty Benefits
Acne, For treating wrinkles, Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
Anthelmintic, Astringent, Diaphoretic, Febrifuge, Miscellany, Nutrients, Stomachic, Tonic
-
Part of Plant Used
Bark, Catkins, Fruits, Leaves
Flowers, Leaves
Other Uses
Basketary, Charcoal, Cosmetics, For making oil
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Foundation, Fruit / Fruit Tree, Hedges, Mixed Border, Screening / Wind Break
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
CORYLUS avellana
IRIS 'Blue Duke'
Common Name
European Filbert, Filbert, Harry Lauder's Walking Stick, Hazelnut
Louisiana Iris
In Hindi
Hazelnut
Louisiana Iris
In German
Haselnuss
Louisiana-Iris
In French
Noisette
iris louisiane
In Spanish
Avellana
iris luisiana
In Greek
Φουντούκι
Λουιζιάνα ίριδας
In Portuguese
Avelã
louisiana iris
In Polish
Orzech laskowy
louisiana tęczówki
In Latin
Hazelnut
louisiana 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
1880
1
27800
👆🏻