Life Span
Annual and Perennial
Annual
Type
Flowering Plants, Shrubs
Perennial
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
New Zealand
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Not Available
Number of Varieties
Not Available
Habitat
Forest edges, Hillside, Woods
All sorts of environments
USDA Hardiness Zone
2-11
7-9
Sunset Zone
Not Available
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Mat-forming
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Non Fruiting Plant
Leaf Color in Spring
Sea Green, Gray Green
Green, Gray Green, Silver
Leaf Color in Summer
Sea Green, Gray Green
Gray Green, Silver
Leaf Color in Fall
Sea Green, Gray Green
Gray Green, Silver
Leaf Color in Winter
Light Green
Light Green
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Very Fast
Slow
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
High
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
Drought Tolerant, Average Water
In Spring
Moderate
Alternate Days
In Winter
Average Water
Moderate
Soil pH
Slightly Acidic
Acidic, Neutral, Alkaline
Soil Type
Loamy
Loam, Sand
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Requires very little pruning
Fertilizers
Compost
Not Available
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Aphids, Spider mites
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Birds, Butterflies, Hummingbirds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
no allergic reactions
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Bog Garden, Borders
Beauty Benefits
Not Available
No Beauty Benefits
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Not Available
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Not Available
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
Showy Purposes
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Alpine, Container, Rock Garden / Wall
Botanical Name
CENTAUREA cyanus
Raoulia glabra
Common Name
Batchelor's Buttons, Cornflower
Raoulia
In Hindi
Hydrangea
Raoulia
In German
Hortensie
Raoulia
In French
Hortensia
Raoulia
In Spanish
Hortensia
Raoulia
In Greek
υδραγεία
Raoulia
In Portuguese
Hortênsia
raoulia
In Polish
Hortensja
Raoulia
In Latin
Hibiscus
Raoulia
Phylum
Anthophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Asterales
Family
Asteraceae
Asteraceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
Gnaphalieae
Subfamily
Carduoideae
Not Available
Number of Species
Not Available
Not Available
Properties of Cornflower and Raoulia
Wondering what are the properties of Cornflower and Raoulia? We provide you with everything About Cornflower and Raoulia. Cornflower doesn't have thorns and Raoulia doesn't have thorns. Also Cornflower does not have fragrant flowers. Cornflower has allergic reactions like Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting and Raoulia 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 Raoulia and you can choose the plant having best and most benefits.
Season and Care of Cornflower and Raoulia
Season and care of Cornflower and Raoulia is important to know. While considering everything about Cornflower and Raoulia Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Raoulia season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Raoulia is Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Raoulia is Acidic, Neutral, Alkaline.
Cornflower and Raoulia Physical Information
Cornflower and Raoulia physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Raoulia height is 2.50 cm and width 25.40 cm. The color specification of Cornflower and Raoulia are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Raoulia flower color: Yellow
- Raoulia leaf color: Green, Gray Green and Silver
Care of Cornflower and Raoulia
Care of Cornflower and Raoulia include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Raoulia pruning is done Requires very little pruning. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Raoulia needs Drought Tolerant, Average Water and in winter, it needs Moderate.
