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
Importance of Cornflower and Black Ash
Want to have the most appropriate plant for your garden? You might want to know the importance of Cornflower and Black Ash. Basically, these two plants vary in many aspects. Compare Cornflower and Black Ash as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Cornflower is Fever, Kidney problems and Urinary tract problems whereas of Black Ash is Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat and Tonic. Cornflower has beauty benefits as follows: while Black Ash has beauty benefits as follows: .
Compare Facts of Cornflower vs Black Ash
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Cornflower vs Black Ash and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Cornflower are Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting whereas of Black Ash have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Cornflower has no showy fruits and Black Ash has no showy fruits. Also Cornflower is not flowering and Black Ash is not flowering . You can compare Cornflower and Black Ash facts and facts of other plants too.