Life Span
Perennial
Annual
Type
Tree
Bulb or Corm or Tuber
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Types
-
Mountain silverbell , Rosea
Number of Varieties
303
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Floodplains, low mountains, Lower slopes, secondary forest
USDA Hardiness Zone
4-75-9
0
99
👆🏻
AHS Heat Zone
7-1
9-5
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
21,22
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
610.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Light Green
Leaf Color in Fall
Dark Green
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Acuminate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral, Alkaline
-
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Layering, Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
-
Soil Type
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
Prune grass to maintain level, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Pests and diseases free
Plant Tolerance
Maritime exposure, Salt water
Drought and Salt
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
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Bees, Flying insects
Allergy
-
-
Uses
Aesthetic Uses
-
along a porch, deck or patio, Beautification, Cottage Garden, Showy Purposes, Wild gardens
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
-
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Decoration Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Container, Cutflower, Mixed Border, Rock Garden / Wall
Botanical Name
ALNUS rubra
ORNITHOGALUM nutans
Common Name
Oregon Alder, Red Alder
Drooping Star-of-Bethlehem, Nodding Star-of-Bethlehem, Silver Bells
In Hindi
red alder
Silver bells
In German
rot-Erle
Silver bells
In French
aulne rouge
Silver bells
In Spanish
aliso rojo
Silver bells
In Greek
κόκκινη σκλήθρα
Silver bells
In Portuguese
amieiro vermelho
Silver bells
In Polish
czerwony olcha
Silver bells
In Latin
red alnus
Silver bells
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Angiosperms
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ebenales
Family
Betulaceae
Asparagaceae
Genus
Alnus
Halesia
Clade
Angiosperms, Eudicots, Rosids
Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
354
1
27800
👆🏻