Life Span
Perennial
Perennial
Type
Shrub
Tree
Origin
-
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Calycanthus floridus floridus, Calycanthus floridus glaucus
-
Number of Varieties
230
0
40000
👆🏻
Habitat
shaded woods, Woodlands
Lowland evergreen rainforest
USDA Hardiness Zone
5-84-7
0
99
👆🏻
AHS Heat Zone
9-4
7-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 20, 21, 22
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Spreading
Pyramidal
Plant Size
Minimum Height
180.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
240.00 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Yellow, Violet
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green
Brown
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green, Dark Green
Dark Green
Leaf Color in Fall
Yellow, Light Yellow, Gold
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Lobed
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Shade areas
Maritime exposure, Salt water
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings, Suckers
Layering, Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Requires regular watering
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
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 flowers, 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
Bacterial Gall, Powdery mildew
-
Plant Tolerance
Drought, Shade areas
Maritime exposure, Salt water
Flowers
Showy
Insignificant
Flower Petal Number
Semi-Double
-
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
Birds, Insects
Insects
Allergy
Toxic if not prepared properly
-
Uses
Aesthetic Uses
Beautification, Cottage Garden
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Antispasmodic, Cardiac, Disinfectant, Diuretic
Anodyne, Appetizer, Astringent
Part of Plant Used
Bark, Root
Flowers, Inner Bark, Sap
Other Uses
Culinary use, Disinfectant, Repellent
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, Foundation, Mixed Border, Screening, Wind Break
Screening / Wind Break, Shade Trees
Botanical Name
Calycanthus floridus
ALNUS rubra
Common Name
Sweetshrub
Oregon Alder, Red Alder
In Hindi
sweetshrub
red alder
In German
sweetshrub
rot-Erle
In French
sweetshrub
aulne rouge
In Spanish
sweetshrub
aliso rojo
In Greek
sweetshrub
κόκκινη σκλήθρα
In Portuguese
sweetshrub
amieiro vermelho
In Polish
sweetshrub
czerwony olcha
In Latin
sweetshrub
red alnus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Laurales
Fagales
Family
Calycanthaceae
Betulaceae
Genus
Calycanthus
Alnus
Clade
Angiosperms, Magnoliids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
435
1
27800
👆🏻