Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
-
-
Types
Cotinus Coggygria, American Smoketree
Honey Locust
Number of Varieties
1010
0
40000
👆🏻
Habitat
Shady Edge, Woodland Garden Dappled Shade
Woodland Garden Canopy
USDA Hardiness Zone
5-85-8
0
99
👆🏻
AHS Heat Zone
8-3
9-3
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
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
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
300.00 cm1,524.00 cm
0
3900
👆🏻
Minimum Width
300.00 cm1,066.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Pink, Rose
Rose, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Pink, Light Pink, Rose, Tan
Purple, Brown
Leaf Color in Spring
Green, Burgundy, Plum
Red, Crimson, Bronze
Leaf Color in Summer
Burgundy, Plum
Green, Blue Green
Leaf Color in Fall
Yellow, Red, Orange, Orange Red
Yellow green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Oval
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water deeply about once a week
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
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
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
20-20-20 amount, All-Purpose Liquid Fertilizer, Apply 20-30-20 amount, organic fertlizers
All-Purpose Liquid Fertilizer, Nitrogen
Pests and Diseases
Leaf spot, Verticillium Wilt
Red blotch
Plant Tolerance
Drought
Drought, Pollution, Salt, Soil Compaction
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees
Birds, Butterflies
Allergy
Dermatitis
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Uses
Aesthetic Uses
Used in parkland
Showy Purposes
Beauty Benefits
Stops hair loss
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil stabilisation
Plant Benefits
Medicinal Uses
Cholagogue, Febrifuge, Ophthalmic
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Part of Plant Used
Leaves
Flowers, Seeds, Wood
Other Uses
Used as essential oil, Used for making yellow to orange dye, Wood is used for making furniture
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
Feature Plant, Foundation, Mixed Border, Screening / Wind Break
Feature Plant, Shade Trees, Street Trees
Botanical Name
COTINUS 'Grace'
ROBINIA 'Purple Robe'
Common Name
Grace Smoketree, Smokebush, Smoketree
Hybrid Black Locust, Purple Robe Locust
In Hindi
Smokebush
Black Locust Tree
In German
Smokebush
Schwarz Locust Tree
In French
Smokebush
Noir Arbre Locust
In Spanish
Smokebush
Negro del árbol de la langosta
In Greek
Smokebush
Μαύρο Locust Tree
In Portuguese
Smokebush
Árvore Locust Preto
In Polish
Smokebush
Robinii akacjowej Drzewo
In Latin
Smokebush
Locusta arbor Niger
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Sapindales
Fabales
Family
Anacardiaceae
Fabaceae
Genus
Cotinus
Robinia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Rhoeae
Robinieae
Subfamily
Anacardioideae
Faboideae
Number of Species
425
1
27800
👆🏻