Life Span
Perennial
Perennial
Origin
Europe
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Habitat
dry rocky watercourses
bottomlands, Moist woods
USDA Hardiness Zone
3-9
4-9
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Oval or Rounded
Flower Color
Blue Violet, Lavender, Purple, White
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Green, Chocolate
Leaf Color in Spring
Green, Sea Green
Green
Leaf Color in Summer
Green, Sea Green
Green, Dark Green
Leaf Color in Fall
Green, Sea Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
Light Green
-
Leaf Shape
Lanceolate to elliptical
Pinnate
Plant Season
Spring, Summer
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer
Late Spring, Early Summer
Where to Plant?
Container, Ground
Ground
How to Plant?
Rhizome division
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Average Water Needs, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Red blotch
Plant Tolerance
Drought
-
Flowers
Yes
Insignificant
Flower Petal Number
Single
-
Fragrant Bark/Stem
No
Yes
Foliage Texture
Coarse
Coarse
Foliage Sheen
Matte
Glossy
Attracts
Butterflies
Birds, Butterflies
Allergy
Gastric disturbances, Skin irritation
Anaphylaxis, Toxic
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Good for skin
Environmental Uses
Air purification
Air purification, Shadow Tree
Medicinal Uses
Juice of fresh root used for treatment of dropsy
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Root
Fruits
Other Uses
Making Perfumes, Used as a flavouring in food
Used As Food, Used as Ornamental plant
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Cutflower, Feature Plant, Mixed Border
Feature Plant, Shade Trees
Botanical Name
Iris germanica
JUGLANS nigra
Common Name
German Iris
Black Walnut
In Hindi
German Iris
काले अखरोट के पेड़
In German
German Iris
Schwarz Walnussbaum
In French
German Iris
Noir noyer
In Spanish
German Iris
nogal negro
In Greek
German Iris
Μαύρη καρυδιά
In Portuguese
German Iris
nogueira preta
In Polish
German Iris
Czarny orzech drzewo
In Latin
German Iris
Niger walnut tree
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Juglandales
Family
Iridaceae
Juglandaceae
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Subfamily
Iridoideae
Juglandinae
Importance of German Iris and Black Walnut
Want to have the most appropriate plant for your garden? You might want to know the importance of German Iris and Black Walnut. Basically, these two plants vary in many aspects. Compare German Iris and Black Walnut 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 German Iris is Juice of fresh root used for treatment of dropsy whereas of Black Walnut is Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis and Use as a gargle. German Iris has beauty benefits as follows: while Black Walnut has beauty benefits as follows: .
Compare Facts of German Iris vs Black Walnut
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 German Iris vs Black Walnut 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 German Iris are Gastric disturbances and Skin irritation whereas of Black Walnut have Anaphylaxis and Toxic respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. German Iris has no showy fruits and Black Walnut has showy fruits. Also German Iris is flowering and Black Walnut is not flowering . You can compare German Iris and Black Walnut facts and facts of other plants too.