Life Span
Perennial
Annual
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
World/Pandemic
Types
-
Viola sororia, Viola odorata, Viola tricolor
Habitat
Lowland evergreen rainforest
gardens, Grassland, Prairies, Tropical regions
USDA Hardiness Zone
4-7
-9999
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Flower Color
Yellow, Red, Coral
White, Yellow, Red, Blue, Purple, Orange, Gold, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
-
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
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Indeterminate
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Allow soil to be completely dry in between waterings, Requires watering in the growing season, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Alkaline, Neutral
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Shade, Partial shade, 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
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Matte
Attracts
Insects
Butterflies
Aesthetic Uses
-
Beautification
Beauty Benefits
Skin Problems
-
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Medicinal Uses
Anodyne, Appetizer, Astringent
Anti-oxidant, Asthma, Dermatitis
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Culinary use, Making Perfumes
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Screening / Wind Break, Shade Trees
Feature Plant
Botanical Name
ALNUS rubra
VIOLA 'Gem Plum Antique'
Common Name
Oregon Alder, Red Alder
Viola
In French
aulne rouge
Alto
In Spanish
aliso rojo
Viola
In Greek
κόκκινη σκλήθρα
Βιόλα
In Portuguese
amieiro vermelho
Viola
In Polish
czerwony olcha
Altówka
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Malpighiales
Family
Betulaceae
Violaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Season and Care of Red Alder and Viola
Season and care of Red Alder and Viola is important to know. While considering everything about Red Alder and Viola Care, growing season is an essential factor. Red Alder season is Spring, Summer and Fall and Viola season is Spring, Summer and Fall. The type of soil for Red Alder is Loam, Sand and for Viola is Clay, Loam, Sand while the PH of soil for Red Alder is Acidic, Neutral, Alkaline and for Viola is Acidic, Neutral, Alkaline.
Red Alder and Viola Physical Information
Red Alder and Viola physical information is very important for comparison. Red Alder height is 1,370.00 cm and width 610.00 cm whereas Viola height is 15.20 cm and width 12.70 cm. The color specification of Red Alder and Viola are as follows:
Red Alder flower color: Yellow, Red and Coral
Red Alder leaf color: Green and Dark Green
Viola flower color: White, Yellow, Red, Blue, Purple, Orange, Gold, Light Blue and Lavender
- Viola leaf color: Green
Care of Red Alder and Viola
Care of Red Alder and Viola include pruning, fertilizers, watering etc. Red Alder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Viola 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 Viola needs Lots of watering and in winter, it needs Average Water.