Life Span
Perennial
Perennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Europe
Habitat
Lowland evergreen rainforest
dry rocky watercourses
USDA Hardiness Zone
4-7
3-9
Sunset Zone
3a, 3b, 4, 5, 6, 7, 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
Pyramidal
Upright/Erect
Flower Color
Yellow, Red, Coral
Blue Violet, Lavender, Purple, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Green, Dark Green
Green, Sea Green
Leaf Color in Summer
Dark Green
Green, Sea Green
Leaf Color in Fall
Dark Green
Green, Sea Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Ovate
Lanceolate to elliptical
Plant Season
Spring, Summer, Fall
Spring, Summer
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring, Late Spring, Early Summer
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Layering, Seedlings
Rhizome division
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
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
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, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Aphids, Bacterial leaf spot, Billbugs, Borers, Fungal leaf spots
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Yes
Flower Petal Number
-
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Matte
Attracts
Insects
Butterflies
Allergy
-
Gastric disturbances, Skin irritation
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Skin Problems
-
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Medicinal Uses
Anodyne, Appetizer, Astringent
Juice of fresh root used for treatment of dropsy
Part of Plant Used
Flowers, Inner Bark, Sap
Root
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Making Perfumes, Used as a flavouring in food
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Screening / Wind Break, Shade Trees
Cutflower, Feature Plant, Mixed Border
Botanical Name
ALNUS rubra
Iris germanica
Common Name
Oregon Alder, Red Alder
German Iris
In Hindi
red alder
German Iris
In German
rot-Erle
German Iris
In French
aulne rouge
German Iris
In Spanish
aliso rojo
German Iris
In Greek
κόκκινη σκλήθρα
German Iris
In Portuguese
amieiro vermelho
German Iris
In Polish
czerwony olcha
German Iris
In Latin
red alnus
German Iris
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Season and Care of Red Alder and German Iris
Season and care of Red Alder and German Iris is important to know. While considering everything about Red Alder and German Iris Care, growing season is an essential factor. Red Alder season is Spring, Summer and Fall and German Iris season is Spring, Summer and Fall. The type of soil for Red Alder is Loam, Sand and for German Iris is Clay, Loam, Sand while the PH of soil for Red Alder is Acidic, Neutral, Alkaline and for German Iris is Acidic, Neutral, Alkaline.
Red Alder and German Iris Physical Information
Red Alder and German Iris physical information is very important for comparison. Red Alder height is 1,370.00 cm and width 610.00 cm whereas German Iris height is 71.10 cm and width 45.70 cm. The color specification of Red Alder and German Iris are as follows:
Red Alder flower color: Yellow, Red and Coral
Red Alder leaf color: Green and Dark Green
German Iris flower color: Blue Violet, Lavender, Purple and White
- German Iris leaf color: Green and Sea Green
Care of Red Alder and German Iris
Care of Red Alder and German Iris include pruning, fertilizers, watering etc. Red Alder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and German Iris pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Red Alder needs Lots of watering and in winter, it needs Average Water. Whereas, in summer German Iris needs Lots of watering and in winter, it needs Average Water.