Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
-
Types
-
Honey Locust
Number of Varieties
3010
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Woodland Garden Canopy
USDA Hardiness Zone
4-75-8
0
99
👆🏻
AHS Heat Zone
7-1
9-3
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Upright/Erect
Plant Size
Minimum Height
1,370.00 cm1,524.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm1,066.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Rose, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Purple, Brown
Leaf Color in Spring
Green, Dark Green
Red, Crimson, Bronze
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Dark Green
Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Ovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
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
Average
Bloom Time
Early Spring
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Needs a lot of water initially, 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
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
Drought, Pollution, Salt, Soil Compaction
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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Birds, Butterflies
Allergy
-
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Skin Problems
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification, Shadow Tree, soil stabilisation
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Seeds, Wood
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Feature Plant, Shade Trees, Street Trees
Botanical Name
ALNUS rubra
ROBINIA 'Purple Robe'
Common Name
Oregon Alder, Red Alder
Hybrid Black Locust, Purple Robe Locust
In Hindi
red alder
Black Locust Tree
In German
rot-Erle
Schwarz Locust Tree
In French
aulne rouge
Noir Arbre Locust
In Spanish
aliso rojo
Negro del árbol de la langosta
In Greek
κόκκινη σκλήθρα
Μαύρο Locust Tree
In Portuguese
amieiro vermelho
Árvore Locust Preto
In Polish
czerwony olcha
Robinii akacjowej Drzewo
In Latin
red alnus
Locusta arbor Niger
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Fabales
Family
Betulaceae
Fabaceae
Genus
Alnus
Robinia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Robinieae
Subfamily
-
Faboideae
Number of Species
3525
1
27800
👆🏻