Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
North America, United States, Northwestern United States, Alaska, California, Canada
Types
-
-
Number of Varieties
230
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Lowland evergreen rainforest
USDA Hardiness Zone
5-74-7
0
99
👆🏻
AHS Heat Zone
7-5
7-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Clump-Forming
Pyramidal
Plant Size
Minimum Height
15.20 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
Brown
Leaf Color in Spring
Green, Blue Green
Green, Dark Green
Leaf Color in Summer
Green, Gray Green
Dark Green
Leaf Color in Fall
Green, Gray Green
Dark Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Butterfly shaped
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Late Spring, Early Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Maritime exposure, Salt water
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Pests and diseases free, Red blotch
-
Plant Tolerance
Drought
Maritime exposure, Salt water
Flowers
✔
✘
✔
✘
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
Coarse
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Insects
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Cancer, Diuretic
Anodyne, Appetizer, Astringent
Part of Plant Used
Flowers, Root
Flowers, Inner Bark, Sap
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
Feature Plant, Groundcover
Screening / Wind Break, Shade Trees
Botanical Name
JEFFERSONIA diphylla
ALNUS rubra
Common Name
-
Oregon Alder, Red Alder
In Hindi
Twinleaf
red alder
In German
Twinleaf
rot-Erle
In French
Twinleaf
aulne rouge
In Spanish
Twinleaf
aliso rojo
In Greek
Twinleaf
κόκκινη σκλήθρα
In Portuguese
Twinleaf
amieiro vermelho
In Polish
Twinleaf
czerwony olcha
In Latin
Twinleaf
red alnus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ranunculales
Fagales
Family
Berberidaceae
Betulaceae
Genus
Jeffersonia
Alnus
Clade
Angiosperms, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
235
1
27800
👆🏻