Life Span
Perennial
Perennial
Origin
Europe
United States, California
Habitat
dry rocky watercourses
Woodland Garden Canopy
USDA Hardiness Zone
3-9
6-9
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
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Flower Color
Blue Violet, Lavender, Purple, White
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Sea Green
Green, Blue Green
Leaf Color in Summer
Green, Sea Green
Green, Blue Green
Leaf Color in Fall
Green, Sea Green
Yellow, Orange, Pink
Leaf Color in Winter
Light Green
-
Leaf Shape
Lanceolate to elliptical
Irregular
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
-
The pH of Soil
Acidic, Neutral, Alkaline
-
Soil Drainage
Well drained
-
Bloom Time
Spring, Late Spring, Early Summer
Spring
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
-
Soil Type
Clay, Loam, Sand
-
Soil Drainage Capacity
Well drained
-
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, Remove dead or diseased plant parts
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
Yes
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Coarse
Medium
Attracts
Butterflies
Birds
Allergy
Gastric disturbances, Skin irritation
Pollen
Aesthetic Uses
Showy Purposes
Borders
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Medicinal Uses
Juice of fresh root used for treatment of dropsy
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Root
Leaves, Seeds, Wood
Other Uses
Making Perfumes, Used as a flavouring in food
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Cutflower, Feature Plant, Mixed Border
Feature Plant, Shade Trees, Street Trees
Botanical Name
Iris germanica
QUERCUS douglasii
Common Name
German Iris
Blue Oak
In Hindi
German Iris
Blue Oak Tree
In German
German Iris
Blaue Eiche
In French
German Iris
Bleu Oak Tree
In Spanish
German Iris
Azul del árbol de roble
In Greek
German Iris
Μπλε Oak Tree
In Portuguese
German Iris
Carvalho azul
In Polish
German Iris
Niebieski Oak Tree
In Latin
German Iris
Blue quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Iridaceae
Fagaceae
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Season and Care of German Iris and Blue Oak
Season and care of German Iris and Blue Oak is important to know. While considering everything about German Iris and Blue Oak Care, growing season is an essential factor. German Iris season is Spring and Summer and Blue Oak season is Spring and Summer. The type of soil for German Iris is Clay, Loam, Sand and for Blue Oak is while the PH of soil for German Iris is Acidic, Neutral, Alkaline and for Blue Oak is .
German Iris and Blue Oak Physical Information
German Iris and Blue Oak physical information is very important for comparison. German Iris height is 71.10 cm and width 45.70 cm whereas Blue Oak height is 1,520.00 cm and width 1,370.00 cm. The color specification of German Iris and Blue Oak are as follows:
German Iris flower color: Blue Violet, Lavender, Purple and White
German Iris leaf color: Green and Sea Green
Blue Oak flower color: Red and Yellow green
- Blue Oak leaf color: Green and Blue Green
Care of German Iris and Blue Oak
Care of German Iris and Blue Oak include pruning, fertilizers, watering etc. German Iris pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Blue Oak pruning is done Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts. In summer German Iris needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Blue Oak needs Lots of watering and in winter, it needs Average Water.