Life Span
Perennial
Perennial
Type
Tree
Shrub
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
China
Types
-
Chimonanthus praecox, Chimonanthus zhejiangensis
Number of Varieties
301
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Mountain Slopes, Mountain tops, Mountains
USDA Hardiness Zone
4-77-9
0
99
👆🏻
AHS Heat Zone
7-1
9-4
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Pyramidal
Upright/Erect
Plant Size
Minimum Height
1,370.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Light Yellow, Dark Red, Sienna
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Acuminate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Growth Rate
Fast
Slow
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
Early Spring, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
-
Where to Plant?
Ground
Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do not water excessively, Water Deeply
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
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune for size control, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
-
Pests and diseases free, Red blotch
Plant Tolerance
Maritime exposure, Salt water
Cold climate, Drought, Frost
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
Coarse
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
-
Allergy
-
-
Uses
Aesthetic Uses
-
Bonsai, Ornamental use
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Antiphlogistic, Antirheumatic
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Feature Plant, Mixed Border
Botanical Name
ALNUS rubra
CHIMONANTHUS praecox
Common Name
Oregon Alder, Red Alder
Winter Sweet
Japanese allspice
In Hindi
red alder
Wintersweet
In German
rot-Erle
Wintersweet
In French
aulne rouge
Wintersweet
In Spanish
aliso rojo
wintersweet
In Greek
κόκκινη σκλήθρα
Wintersweet
In Portuguese
amieiro vermelho
wintersweet
In Polish
czerwony olcha
Wintersweet
In Latin
red alnus
Wintersweet
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
-
Family
Betulaceae
Calycanthaceae
Genus
Alnus
Chimonanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Magnoliids
Tribe
-
-
Subfamily
-
-
Number of Species
3511
1
27800
👆🏻