Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Asia
Types
-
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
303
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
4-76-9
0
99
👆🏻
AHS Heat Zone
7-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Oval or Rounded
Plant Size
Minimum Height
1,370.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Brown
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green, Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
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
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs less watering
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
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
-
-
Plant Tolerance
Maritime exposure, Salt water
Drought, Soil Compaction
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
Birds, Butterflies, Hummingbirds
Allergy
-
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
-
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Diaphoretic
Part of Plant Used
Flowers, Inner Bark, Sap
Bark, Fruits, Seeds
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, Shade Trees
Botanical Name
ALNUS rubra
Pterocarya fraxinifolia
Common Name
Oregon Alder, Red Alder
Caucasian wingnut, Caucasian walnut
In Hindi
red alder
wingnut
In German
rot-Erle
wingnut
In French
aulne rouge
wingnut
In Spanish
aliso rojo
wingnut
In Greek
κόκκινη σκλήθρα
wingnut
In Portuguese
amieiro vermelho
wingnut
In Polish
czerwony olcha
Wingnut
In Latin
red alnus
wingnut
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Fagales
Family
Betulaceae
Juglandaceae
Genus
Alnus
Pterocarya
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandoideae
Number of Species
356
1
27800
👆🏻