Life Span
Annual and Perennial
  
Perennial
  
Type
Flowering Plants, Shrubs
  
Vegetable
  
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
  
World/Pandemic, North America, Europe, Russia/Siberia, Northern Africa, Asia, India
  
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
  
White Spanish
Gladalan White
  
Habitat
Forest edges, Hillside, Woods
  
Cropland, Farms, gardens
  
USDA Hardiness Zone
2-11
  
Not Available
  
AHS Heat Zone
7 - 1
  
Not Available
  
Sunset Zone
Not Available
  
A1, A2, A3, H1, H2, 1a, 1b, 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
Upright/Erect
  
Upright/Erect
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
  
White, Yellow green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Brown, Sandy Brown
  
Not Available
  
Leaf Color in Spring
Sea Green, Gray Green
  
Green
  
Leaf Color in Summer
Sea Green, Gray Green
  
Green, Gray Green
  
Leaf Color in Fall
Sea Green, Gray Green
  
Green, Gray Green, Yellow green
  
Leaf Color in Winter
Light Green
  
Not Available
  
Shape
  
  
Leaf Shape
Oblovate
  
Linear
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Not Available
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Very Fast
  
Fast
  
Type of Soil
Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Neutral
  
Soil Drainage
Well drained
  
Well drained
  
Bloom Time
Indeterminate
  
Late Spring, Early Summer
  
Repeat Bloomer
Yes
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Container, Ground, Pot
  
Ground, Pot
  
How to Plant?
Seedlings
  
Seedlings, Sets
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
  
Keep the ground moist but not water-logged, Requires a lot of watering, Water twice a day in the initial period
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Slightly Acidic
  
Neutral
  
Soil Type
Loamy
  
Loam, Sand
  
Soil Drainage Capacity
Loamy
  
Well drained
  
Sun Exposure
Full Sun
  
Full Sun, Partial Sun
  
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Dispose of diseased portions, Prune after flowering
  
Fertilizers
Compost
  
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, Fertilize the soil before planting
  
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
  
Aphids, Downy mildew, Leaf rust, Slugs, Soft scales
  
Plant Tolerance
Drought
  
Humidity, Shade areas, Shallow soil
  
Flowers
Showy
  
Showy
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
Yes
  
Fragrant Bark/Stem
No
  
Yes
  
Showy Foliage
No
  
No
  
Showy Bark
No
  
No
  
Foliage Texture
Medium
  
Medium
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
Yes
  
No
  
Attracts
Butterflies
  
Aphids, Insects, Snails
  
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
  
Eye irritation, Gastric, Oral Allergy
  
Uses
  
  
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
  
Not Used For Aesthetic Purpose
  
Beauty Benefits
Not Available
  
Anti-ageing, Blackheads, Good for the Scalp, Reduce Bruises
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
  
Air purification, Indoor Air Purification, Insect Repellent
  
Plant Benefits
  
  
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
  
Analgesic, Asthma, Bronchitis, cholesterol-lowering, Cough, Diabetes, Digestion problems, Diuretic, High blood pressure, Respiratory Disorders, Rheumatism
  
Part of Plant Used
Flowers, Root
  
Whole plant
  
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
  
Animal Feed, Culinary use, Oil is used for aromatherapy, Sauces
  
Used As Indoor Plant
Yes
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Container, Herb
  
Edible, Herb / Vegetable
  
Botanical Name
CENTAUREA cyanus
  
ALLIUM cepa 'White Ebenezer'
  
Common Name
Batchelor's Buttons, Cornflower
  
Garden Onion, White Onion
  
In Hindi
Hydrangea
  
प्याज
  
In German
Hortensie
  
Zwiebel
  
In French
Hortensia
  
Oignon
  
In Spanish
Hortensia
  
Cebolla
  
In Greek
υδραγεία
  
Κρεμμύδι
  
In Portuguese
Hortênsia
  
Cebola
  
In Polish
Hortensja
  
Cebula
  
In Latin
Hibiscus
  
cepa
  
Kingdom
Plantae
  
Plantae
  
Phylum
Anthophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Asterales
  
Asparagales
  
Family
Asteraceae
  
Liliaceae
  
Genus
Centaurea
  
Allium
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Monocots
  
Tribe
Cynareae
  
Allieae
  
Subfamily
Carduoideae
  
Allioideae
  
Number of Species
Not Available
  
Importance of Cornflower and White Onion
Want to have the most appropriate plant for your garden? You might want to know the importance of Cornflower and White Onion. Basically, these two plants vary in many aspects. Compare Cornflower and White Onion 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 White Onion is Analgesic, Asthma, Bronchitis, cholesterol-lowering, Cough, Diabetes, Digestion problems, Diuretic, High blood pressure, Respiratory Disorders and Rheumatism. Cornflower has beauty benefits as follows: Not Available while White Onion has beauty benefits as follows: Not Available.
Compare Facts of Cornflower vs White Onion
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 White Onion 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 White Onion have Eye irritation, Gastric and Oral Allergy respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Cornflower has no showy fruits and White Onion has no showy fruits. Also Cornflower is not flowering and White Onion is not flowering . You can compare Cornflower and White Onion facts and facts of other plants too.