Life Span
Perennial
Perennial
Type
Shrub
Tree
Origin
China, Japan
North America, United States, Northwestern United States, Alaska, California, Canada
Types
-
-
Number of Varieties
530
0
40000
👆🏻
Habitat
subtropical regions, Temperate Regions
Lowland evergreen rainforest
USDA Hardiness Zone
6-94-7
0
99
👆🏻
AHS Heat Zone
9-7
7-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Oval or Rounded
Pyramidal
Plant Size
Minimum Height
300.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
300.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Silver
Yellow, Red, Coral
Flower Color Modifier
-
Bicolor
Fruit Color
Reddish Plum
Brown
Leaf Color in Spring
White, Dark Green, Sienna
Green, Dark Green
Leaf Color in Summer
White, Dark Green, Sienna
Dark Green
Leaf Color in Fall
White, Dark Green, Sienna
Dark Green
Leaf Color in Winter
White, Dark Green, Sienna
-
Shape
Leaf Shape
broad, flat
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Fall, Late Fall
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Salt
Maritime exposure, Salt water
Where to Plant?
Ground, Pot
Ground
How to Plant?
Cuttings, root cutting, Seedlings
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
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
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Coral Spot, Leaf spot, Red blotch
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
Insignificant
Insignificant
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Insects
Allergy
Toxic
-
Uses
Aesthetic Uses
Bonsai, Cottage Garden, Ground Cover
-
Beauty Benefits
Skin irritation
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Fixes Nitrogen
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Antiasthamatic, Antitussive, Astringent
Anodyne, Appetizer, Astringent
Part of Plant Used
Fruits, Leaves, Root, Stem
Flowers, Inner Bark, Sap
Other Uses
Used as Ornamental plant, Used for making hedge
Used as a dye, used for making charcoal, Used for making informal hedge
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening, Wind Break
Screening / Wind Break, Shade Trees
Botanical Name
Elaeagnus pungens
ALNUS rubra
Common Name
Silverthorn
Oregon Alder, Red Alder
In Hindi
Silverthorn
red alder
In German
Silverthorn
rot-Erle
In French
Silverthorn
aulne rouge
In Spanish
Silverthorn
aliso rojo
In Greek
Silverthorn
κόκκινη σκλήθρα
In Portuguese
Silverthorn
amieiro vermelho
In Polish
Silverthorn
czerwony olcha
In Latin
Silverthorn
red alnus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rhamnales
Fagales
Family
Elaeagnaceae
Betulaceae
Genus
Elaeagnus
Alnus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
7035
1
27800
👆🏻