Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Europe
Types
Quercus phellos, Quercus nigra
-
Number of Varieties
556
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
dry rocky watercourses
USDA Hardiness Zone
6-93-9
0
99
👆🏻
AHS Heat Zone
9-3
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
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
1,220.00 cm71.10 cm
0
3900
👆🏻
Minimum Width
910.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Blue Violet, Lavender, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Chocolate
Green, Brown
Leaf Color in Spring
Green, Light Green
Green, Sea Green
Leaf Color in Summer
Green, Dark Green
Green, Sea Green
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Green, Sea Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Irregular
Lanceolate to elliptical
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Grafting, Seedlings
Rhizome division
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, 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
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
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
Fine
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
Eczema, Rhinitis, Runny nose
Gastric disturbances, Skin irritation
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
Juice of fresh root used for treatment of dropsy
Part of Plant Used
Bark, Stem
Root
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
Making Perfumes, Used as a flavouring in food
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Cutflower, Feature Plant, Mixed Border
Botanical Name
QUERCUS phellos
Iris germanica
Common Name
Willow Oak
German Iris
In Hindi
Overcup ओक
German Iris
In German
Overcup Oak
German Iris
In French
Overcup Oak
German Iris
In Spanish
Overcup Roble
German Iris
In Greek
Overcup Oak
German Iris
In Portuguese
Overcup Oak
German Iris
In Polish
Overcup Dąb
German Iris
In Latin
Oryza
German Iris
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Fagaceae
Iridaceae
Genus
Quercus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
Amaryllidoideae
Iridoideae
Number of Species
400300
1
27800
👆🏻