Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
-
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Honey Locust
-
Number of Varieties
1030
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Lowland evergreen rainforest
USDA Hardiness Zone
5-84-7
0
99
👆🏻
AHS Heat Zone
9-3
7-1
Sunset Zone
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
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Upright/Erect
Pyramidal
Plant Size
Minimum Height
1,524.00 cm1,370.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Yellow, Red, Coral
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Brown
Leaf Color in Spring
Red, Crimson, Bronze
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow green
Dark Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring, Late Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Maritime exposure, Salt water
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Layering, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
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, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
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
Drought, Pollution, Salt, Soil Compaction
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
Medium
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Insects
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification, Prevent Soil Erosion, Shadow Tree
Plant Benefits
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Anodyne, Appetizer, Astringent
Part of Plant Used
Flowers, Seeds, Wood
Flowers, Inner Bark, Sap
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
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, Shade Trees, Street Trees
Screening / Wind Break, Shade Trees
Botanical Name
ROBINIA 'Purple Robe'
ALNUS rubra
Common Name
Hybrid Black Locust, Purple Robe Locust
Oregon Alder, Red Alder
In Hindi
Black Locust Tree
red alder
In German
Schwarz Locust Tree
rot-Erle
In French
Noir Arbre Locust
aulne rouge
In Spanish
Negro del árbol de la langosta
aliso rojo
In Greek
Μαύρο Locust Tree
κόκκινη σκλήθρα
In Portuguese
Árvore Locust Preto
amieiro vermelho
In Polish
Robinii akacjowej Drzewo
czerwony olcha
In Latin
Locusta arbor Niger
red alnus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Fagales
Family
Fabaceae
Betulaceae
Genus
Robinia
Alnus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Robinieae
-
Subfamily
Faboideae
-
Number of Species
2535
1
27800
👆🏻