Life Span
Perennial
Annual and Perennial
Type
Perennial
Tree
Origin
Europe
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
-
Quercus stellata
Number of Varieties
620
0
40000
👆🏻
Habitat
dry rocky watercourses
Woodland Garden Canopy
USDA Hardiness Zone
3-95-9
0
99
👆🏻
AHS Heat Zone
8-1
9-4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
71.10 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
45.70 cm1,680.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet, Lavender, Purple, White
Red, Light Yellow, Tan
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Sea Green
Dark Green
Leaf Color in Summer
Green, Sea Green
Dark Green
Leaf Color in Fall
Green, Sea Green
Orange, Tan, Bronze, Orange Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Lanceolate to elliptical
Elliptic and Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs less watering
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
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Red blotch
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Gastric disturbances, Skin irritation
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Juice of fresh root used for treatment of dropsy
Astringent, Emetic, Febrifuge, Tonic
Part of Plant Used
Root
Leaves, Seeds, Wood
Other Uses
Making Perfumes, Used as a flavouring in food
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Mixed Border
Feature Plant, Shade Trees, Street Trees
Botanical Name
Iris germanica
QUERCUS stellata
Common Name
German Iris
Post Oak
In Hindi
German Iris
पोस्ट ओक
In German
German Iris
Post oak
In French
German Iris
Post oak
In Spanish
German Iris
Post oak
In Greek
German Iris
Post Oak
In Portuguese
German Iris
Post Oak
In Polish
German Iris
post Oak
In Latin
German Iris
Post quercu
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Iridaceae
Fagaceae
Genus
Iris
Quercus
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
30090
1
27800
👆🏻