Life Span
Perennial
Annual
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
New Zealand
Types
Not available
Not Available
Habitat
Lowland evergreen rainforest
All sorts of environments
USDA Hardiness Zone
4-7
7-9
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Mat-forming
Flower Color
Yellow, Red, Coral
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Non Fruiting Plant
Leaf Color in Spring
Green, Dark Green
Green, Gray Green, Silver
Leaf Color in Summer
Dark Green
Gray Green, Silver
Leaf Color in Fall
Dark Green
Gray Green, Silver
Leaf Color in Winter
Not Available
Light Green
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Summer
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
High
Watering Requirements
Average Water Needs
Average Water Needs
In Summer
Lots of watering
Drought Tolerant, Average Water
In Spring
Moderate
Alternate Days
In Winter
Average Water
Moderate
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Requires very little pruning
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Not Available
Pests and Diseases
Not Available
Aphids, Spider mites
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Insignificant
Flower Petal Number
Not Available
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Insects, Not Available
Birds, Butterflies, Hummingbirds
Allergy
Not Available
no allergic reactions
Aesthetic Uses
Not Used For Aesthetic Purpose
Bog Garden, Borders
Beauty Benefits
Skin Problems
No Beauty Benefits
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Not Available
Medicinal Uses
Anodyne, Appetizer, Astringent
Not Available
Part of Plant Used
Flowers, Inner Bark, Sap
Whole plant
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Showy Purposes
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Screening / Wind Break, Shade Trees
Alpine, Container, Rock Garden / Wall
Botanical Name
ALNUS rubra
Raoulia glabra
Common Name
Oregon Alder, Red Alder
Raoulia
In Hindi
red alder
Raoulia
In German
rot-Erle
Raoulia
In French
aulne rouge
Raoulia
In Spanish
aliso rojo
Raoulia
In Greek
κόκκινη σκλήθρα
Raoulia
In Portuguese
amieiro vermelho
raoulia
In Polish
czerwony olcha
Raoulia
In Latin
red alnus
Raoulia
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Family
Betulaceae
Asteraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Not Available
Gnaphalieae
Subfamily
Not Available
Not Available
Number of Species
Not Available
Season and Care of Red Alder and Raoulia
Season and care of Red Alder and Raoulia is important to know. While considering everything about Red Alder and Raoulia Care, growing season is an essential factor. Red Alder season is Spring, Summer and Fall and Raoulia season is Spring, Summer and Fall. The type of soil for Red Alder is Loam, Sand and for Raoulia is Loam, Sand while the PH of soil for Red Alder is Acidic, Neutral, Alkaline and for Raoulia is Acidic, Neutral, Alkaline.
Red Alder and Raoulia Physical Information
Red Alder and Raoulia physical information is very important for comparison. Red Alder height is 1,370.00 cm and width 610.00 cm whereas Raoulia height is 2.50 cm and width 25.40 cm. The color specification of Red Alder and Raoulia are as follows:
Red Alder flower color: Yellow, Red and Coral
Red Alder leaf color: Green and Dark Green
Raoulia flower color: Yellow
- Raoulia leaf color: Green, Gray Green and Silver
Care of Red Alder and Raoulia
Care of Red Alder and Raoulia include pruning, fertilizers, watering etc. Red Alder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Raoulia pruning is done Requires very little pruning. In summer Red Alder needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Raoulia needs Drought Tolerant, Average Water and in winter, it needs Moderate.