Life Span
Perennial
Annual and Perennial
Type
Tree
Tree
Origin
-
Western United States, California, Mexico
Types
Honey Locust
Calocedrus decurrens
Number of Varieties
101
0
40000
👆🏻
Habitat
Woodland Garden Canopy
low mountains, Mountain tops, Subtropical climates, Temperate Regions
USDA Hardiness Zone
5-85-8
0
99
👆🏻
AHS Heat Zone
9-3
8-1
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
1,524.00 cm2,130.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Sandy Brown
Leaf Color in Spring
Red, Crimson, Bronze
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow green
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Pinnate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Needs less watering, Water occasionally
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
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune if you want to improve plant shape, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
No fertilizers needed
Pests and Diseases
Red blotch
Insects
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification
Plant Benefits
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Stomach pain
Part of Plant Used
Flowers, Seeds, Wood
Bark, Leaves
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Making Perfumes, Used in pencil industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
ROBINIA 'Purple Robe'
CALOCEDRUS decurrens
Common Name
Hybrid Black Locust, Purple Robe Locust
Incense Cedar
In Hindi
Black Locust Tree
Incense Cedar
In German
Schwarz Locust Tree
Zeder
In French
Noir Arbre Locust
Encens Cedar
In Spanish
Negro del árbol de la langosta
cedro de incienso
In Greek
Μαύρο Locust Tree
θυμίαμα Κέδρος
In Portuguese
Árvore Locust Preto
cedro de incenso
In Polish
Robinii akacjowej Drzewo
kadzidło Cedar
In Latin
Locusta arbor Niger
incensum Cedar
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Pinopsida
Order
Fabales
Pinales
Family
Fabaceae
Cupressaceae
Genus
Robinia
Calocedrus
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
Robinieae
-
Subfamily
Faboideae
-
Number of Species
2550
1
27800
👆🏻