Life Span
Perennial
Annual and Perennial
Type
Tree
Flowering Plants, Shrubs
Origin
-
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Honey Locust
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Habitat
Woodland Garden Canopy
Forest edges, Hillside, Woods
USDA Hardiness Zone
5-8
2-11
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
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Flower Color
Rose, Violet
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple, Brown
Brown, Sandy Brown
Leaf Color in Spring
Red, Crimson, Bronze
Sea Green, Gray Green
Leaf Color in Summer
Green, Blue Green
Sea Green, Gray Green
Leaf Color in Fall
Yellow green
Sea Green, Gray Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Pinnate
Oblovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Very 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
Indeterminate
Tolerances
Pollution, Drought, Salt, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Needs a lot of water initially, occasional watering once established
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Slightly Acidic
Soil Type
Clay, Loam, Sand
Loamy
Soil Drainage Capacity
Average
Loamy
Sun Exposure
Full Sun
Full Sun
Pruning
Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
Compost
Pests and Diseases
Red blotch
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Plant Tolerance
Drought, Pollution, Salt, Soil Compaction
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Invasive
Sometimes
Sometimes
Attracts
Birds, Butterflies
Butterflies
Allergy
Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting, weakness
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Aesthetic Uses
Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
Good for skin
-
Environmental Uses
Air purification, Shadow Tree, soil stabilisation
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Medicinal Uses
Antispasmodic, Antivinous, Cancer, Cholagogue, Diuretic, Emetic, Emmoiliant, Eye Problems, Febrifuge, Laxative, Purgative, Tonic
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Flowers, Seeds, Wood
Flowers, Root
Other Uses
Fibre, For making oil, Used as a dye, Used as essential oil, Used as fuel, Used for woodware
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Herb
Botanical Name
ROBINIA 'Purple Robe'
CENTAUREA cyanus
Common Name
Hybrid Black Locust, Purple Robe Locust
Batchelor's Buttons, Cornflower
In Hindi
Black Locust Tree
Hydrangea
In German
Schwarz Locust Tree
Hortensie
In French
Noir Arbre Locust
Hortensia
In Spanish
Negro del árbol de la langosta
Hortensia
In Greek
Μαύρο Locust Tree
υδραγεία
In Portuguese
Árvore Locust Preto
Hortênsia
In Polish
Robinii akacjowej Drzewo
Hortensja
In Latin
Locusta arbor Niger
Hibiscus
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fabaceae
Asteraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Subfamily
Faboideae
Carduoideae
Properties of Black Locust and Cornflower
Wondering what are the properties of Black Locust and Cornflower? We provide you with everything About Black Locust and Cornflower. Black Locust has thorns and Cornflower doesn't have thorns. Also Black Locust does not have fragrant flowers. Black Locust has allergic reactions like Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness and Cornflower has allergic reactions like Abdominal pain, Depression, Diarrhea, Digestive Problems, gastro-intestinal problems, Kidney Disease, Liver disease, Nausea, Vomiting and weakness. Compare all the properties and characteristics of these two plants. Find out which of these plant can be used as indoor plant. If you are interested to decorate your house and garden, find out aesthetic uses, compare them and select the plant which will beautify your surrounding. Along with beautification, try comparing medicinal and edible uses of Black Locust and Cornflower and you can choose the plant having best and most benefits.
Season and Care of Black Locust and Cornflower
Season and care of Black Locust and Cornflower is important to know. While considering everything about Black Locust and Cornflower Care, growing season is an essential factor. Black Locust season is Spring, Summer, Fall and Winter and Cornflower season is Spring, Summer, Fall and Winter. The type of soil for Black Locust is Clay, Loam, Sand and for Cornflower is Loam, Sand while the PH of soil for Black Locust is Acidic, Neutral, Alkaline and for Cornflower is Acidic, Neutral, Alkaline.
Black Locust and Cornflower Physical Information
Black Locust and Cornflower physical information is very important for comparison. Black Locust height is 1,524.00 cm and width 1,066.80 cm whereas Cornflower height is 30.00 cm and width 30.00 cm. The color specification of Black Locust and Cornflower are as follows:
Black Locust flower color: Rose and Violet
Black Locust leaf color: Red, Crimson and Bronze
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
- Cornflower leaf color: Sea Green and Gray Green
Care of Black Locust and Cornflower
Care of Black Locust and Cornflower include pruning, fertilizers, watering etc. Black Locust pruning is done Cut limbs, Prune in winter, Prune up lowest branches, Remove branches, Remove damaged leaves, Remove dead branches and Remove dead leaves and Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Black Locust needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Cornflower needs Lots of watering and in winter, it needs Average Water.