Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
-
Eastern Asia
Types
Honey Locust
Ulmus parvifolia 'Emer II', Ulmus parvifolia 'True Green'
Number of Varieties
104
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Woodland Garden Canopy
USDA Hardiness Zone
5-85-9
0
99
👆🏻
AHS Heat Zone
9-3
9-1
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, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
1,524.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
1,066.80 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Rose, Violet
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Tan, Brown
Leaf Color in Spring
Red, Crimson, Bronze
Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Yellow green
Yellow, Red, Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Elliptic, toothed
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
-
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
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
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
6-12-12 or 5-10-10
Pests and Diseases
Red blotch
Canker, Leaf spot, Rots, Wilts
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought
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
Medium
Fine
Foliage Sheen
Matte
Glossy
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
Moderate Allergen
Uses
Aesthetic Uses
Showy Purposes
Bonsai, 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
Antidote, Demulcent, Diuretic, Expectorant, Febrifuge, Hypnotic
Part of Plant Used
Flowers, Seeds, Wood
Fruits, Inner Bark, Leaves
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Can be grown in a shelter belt, Used as a thickener in soups
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Feature Plant, Mixed Border, Shade Trees, Street Trees, Topiary / Bonsai / Espalier
Botanical Name
ROBINIA 'Purple Robe'
ULMUS parvifolia
Common Name
Hybrid Black Locust, Purple Robe Locust
Chinese Elm, Lacebark Elm
In Hindi
Black Locust Tree
Lacebark Elm
In German
Schwarz Locust Tree
Lacebark Elm
In French
Noir Arbre Locust
Lacebark Elm
In Spanish
Negro del árbol de la langosta
Lacebark Elm
In Greek
Μαύρο Locust Tree
Lacebark Elm
In Portuguese
Árvore Locust Preto
Lacebark Elm
In Polish
Robinii akacjowej Drzewo
Lacebark Elm
In Latin
Locusta arbor Niger
Lacebark Elm
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fabales
Urticales
Family
Fabaceae
Ulmaceae
Genus
Robinia
Ulmus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Robinieae
Ulmeae
Subfamily
Faboideae
-
Number of Species
2510
1
27800
👆🏻