Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Blue ash, Single-leaf ash, Fragrant ash
Habitat
Forest edges, Hillside, Woods
Moist Soils
USDA Hardiness Zone
2-11
3-7
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
-
Habit
Upright/Erect
Upright/Erect
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Green, Tan
Leaf Color in Spring
Sea Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Yellow, Yellow green, Brown, Bronze
Leaf Color in Winter
Light Green
-
Leaf Shape
Oblovate
Pinnate
Plant Season
Spring, Summer, Fall
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Very Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Early Spring, Spring
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Slightly Acidic
Acidic, Neutral
Soil Type
Loamy
Clay, Loam, Sand
Soil Drainage Capacity
Loamy
Average
Sun Exposure
Full Sun
Full Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Fertilizers
Compost
All-Purpose Liquid Fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Red blotch
Plant Tolerance
Drought
Wet Site
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Glossy
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Edible Uses
Yes
Insignificant
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification, Nesting sites for birds, Wildlife, Windbreak
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Part of Plant Used
Flowers, Root
Inner Bark, Leaves, Tree trunks
Other Uses
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Basketary, Used as a dye, Used as fuel, Used for woodware
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Shade Trees, Water Gardens
Botanical Name
CENTAUREA cyanus
FRAXINUS nigra
Common Name
Batchelor's Buttons, Cornflower
Black Ash, Brown Ash, Swamp Ash
In Hindi
Hydrangea
Black Ash plant
In German
Hortensie
Black Ash Pflanze
In French
Hortensia
plante Black Ash
In Spanish
Hortensia
planta de negro de Ceniza
In Greek
υδραγεία
φυτό μαύρη τέφρα
In Portuguese
Hortênsia
planta Black Ash
In Polish
Hortensja
Black Ash roślin
In Latin
Hibiscus
Black ash herba
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Scrophulariales
Family
Asteraceae
Oleaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Properties of Cornflower and Black Ash
Wondering what are the properties of Cornflower and Black Ash? We provide you with everything About Cornflower and Black Ash. Cornflower doesn't have thorns and Black Ash doesn't have thorns. Also Cornflower does not have fragrant flowers. Cornflower has allergic reactions like Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting and Black Ash has allergic reactions like Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting. 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 Cornflower and Black Ash and you can choose the plant having best and most benefits.
Season and Care of Cornflower and Black Ash
Season and care of Cornflower and Black Ash is important to know. While considering everything about Cornflower and Black Ash Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Black Ash season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Black Ash is Clay, Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Black Ash is Acidic, Neutral.
Cornflower and Black Ash Physical Information
Cornflower and Black Ash physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Black Ash height is 1,220.00 cm and width 610.00 cm. The color specification of Cornflower and Black Ash are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Black Ash flower color: Green and Purple
- Black Ash leaf color: Green and Dark Green
Care of Cornflower and Black Ash
Care of Cornflower and Black Ash include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Black Ash pruning is done Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove short twigs. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Ash needs Lots of watering and in winter, it needs Average Water.