Life Span
Perennial
Annual and Perennial
Type
Tree
Tender Perennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Eastern Africa
Types
-
-
Number of Varieties
3015
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Rocky Ridges, Shores of rivers or lakes, Tropical Climate, tropical environments
USDA Hardiness Zone
4-711-12
0
99
👆🏻
AHS Heat Zone
7-1
7-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
H1, 23, 24
Habit
Pyramidal
Cushion/Mound-forming
Plant Size
Minimum Height
1,370.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
610.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Purple, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings, stem tip cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep ground moist, Keep the Soil well drained, Medium, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Pinch Tips, Prune prior to new growth, Prune to stimulate growth
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Grey mold, Leaf spot, Mites, Root rot
Plant Tolerance
Maritime exposure, Salt water
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Butterflies, Flying insects, Hummingbirds
Allergy
-
Pollen
Uses
Aesthetic Uses
-
Bouquets, Cut Flowers, Decorating walls, Hanging Basket, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Used as Ornamental plant, Used for bedding in gardens
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Container, Edging, Houseplant, Tropical
Botanical Name
ALNUS rubra
EXACUM affine
Common Name
Oregon Alder, Red Alder
German Violet, Persian Violet
In Hindi
red alder
persian violet
In German
rot-Erle
persian violet
In French
aulne rouge
persian violet
In Spanish
aliso rojo
Violeta persa
In Greek
κόκκινη σκλήθρα
Περσικό Violet
In Portuguese
amieiro vermelho
Violeta persa
In Polish
czerwony olcha
Persian Violet
In Latin
red alnus
hyacinthum Persarum
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Gentianales
Family
Betulaceae
Gentianaceae
Genus
Alnus
Exacum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Exaceae
Subfamily
-
-
Number of Species
3525
1
27800
👆🏻