Life Span
Perennial
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Europe
Types
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
-
Habitat
Woodland Garden Canopy
dry rocky watercourses
USDA Hardiness Zone
4-8
3-9
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Upright/Erect
Upright/Erect
Flower Color
Red, Light Yellow, Yellow green
Blue Violet, Lavender, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown, Chocolate
Green, Brown
Leaf Color in Spring
Green, Copper
Green, Sea Green
Leaf Color in Summer
Dark Green
Green, Sea Green
Leaf Color in Fall
Orange, Brown, Dark Red
Green, Sea Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Lobed
Lanceolate to elliptical
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Transplanting
Rhizome division
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
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
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
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Plant Tolerance
Drought, Wet Site
Drought
Flowers
Insignificant
Yes
Flower Petal Number
-
Single
Fragrant Bark/Stem
Yes
No
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Matte
Attracts
Birds
Butterflies
Allergy
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Gastric disturbances, Skin irritation
Aesthetic Uses
-
Showy Purposes
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Medicinal Uses
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Juice of fresh root used for treatment of dropsy
Part of Plant Used
Inner Bark, Leaves, Seeds
Root
Other Uses
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Making Perfumes, Used as a flavouring in food
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Cutflower, Feature Plant, Mixed Border
Botanical Name
QUERCUS velutina
Iris germanica
Common Name
Black Oak
German Iris
In Hindi
Black Oak Tree
German Iris
In German
Schwarz Oak Tree
German Iris
In French
Noir Oak Tree
German Iris
In Spanish
Negro del árbol de roble
German Iris
In Greek
Black Oak Tree
German Iris
In Portuguese
Carvalho Preto
German Iris
In Polish
Czarny Dąb
German Iris
In Latin
Niger quercum ligno
German Iris
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Fagaceae
Iridaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Importance of Black Oak and German Iris
Want to have the most appropriate plant for your garden? You might want to know the importance of Black Oak and German Iris. Basically, these two plants vary in many aspects. Compare Black Oak and German Iris as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Black Oak is Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic and Treating fever whereas of German Iris is Juice of fresh root used for treatment of dropsy. Black Oak has beauty benefits as follows: while German Iris has beauty benefits as follows: .
Compare Facts of Black Oak vs German Iris
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Black Oak vs German Iris and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Black Oak are Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes and Whooping Cough whereas of German Iris have Gastric disturbances and Skin irritation respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Black Oak has showy fruits and German Iris has no showy fruits. Also Black Oak is not flowering and German Iris is flowering. You can compare Black Oak and German Iris facts and facts of other plants too.