Life Span
Annual and Perennial
  
Annual or Biennial
  
Type
Flowering Plants, Shrubs
  
Herbs
  
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
  
Asia, Europe, North Africa, North America
  
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
  
Not Available
  
Number of Varieties
Not Available
  
Habitat
Forest edges, Hillside, Woods
  
Shaded sites, Waste areas
  
USDA Hardiness Zone
2-11
  
3-9
  
AHS Heat Zone
7 - 1
  
9 - 1
  
Sunset Zone
Not Available
  
21,22
  
Habit
Upright/Erect
  
Clump-Forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
  
Pink, Magenta, Rose
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Brown, Sandy Brown
  
Not Available
  
Leaf Color in Spring
Sea Green, Gray Green
  
Green, Light Green
  
Leaf Color in Summer
Sea Green, Gray Green
  
Green
  
Leaf Color in Fall
Sea Green, Gray Green
  
Red, Green, Dark Red
  
Leaf Color in Winter
Light Green
  
Light Green
  
Shape
  
  
Leaf Shape
Oblovate
  
Arrowhead
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Partial Sun, Partial shade, Full Shade
  
Growth Rate
Very Fast
  
Very Fast
  
Type of Soil
Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral, Alkaline
  
Soil Drainage
Well drained
  
Average
  
Bloom Time
Indeterminate
  
Spring, Late Spring, Early Summer, Summer
  
Repeat Bloomer
Yes
  
Yes
  
Tolerances
Drought
  
Not Available
  
Where to Plant?
Container, Ground, Pot
  
Ground
  
How to Plant?
Seedlings
  
Not Available
  
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 ground moist, Requires regular watering
  
In Summer
Lots of watering
  
Average Water
  
In Spring
Moderate
  
Average Water
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Slightly Acidic
  
Acidic, Neutral, Alkaline
  
Soil Type
Loamy
  
Loam, Sand
  
Soil Drainage Capacity
Loamy
  
Average
  
Sun Exposure
Full Sun
  
Partial Sun, Partial shade, Full Shade
  
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Cut or pinch the stems, Remove damaged leaves, Remove dead leaves
  
Fertilizers
Compost
  
Not Available
  
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
  
Downy mildew, Pest Free, Powdery mildew
  
Plant Tolerance
Drought
  
Shade areas
  
Flowers
Showy
  
Showy
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
Yes
  
Fragrant Bark/Stem
No
  
Yes
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Medium
  
Fine
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Butterflies
  
Not Available
  
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
  
Not Available
  
Uses
  
  
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
  
Cottage Garden, Showy Purposes
  
Beauty Benefits
Not Available
  
Good for skin, Reduce Bruises, Skin irritation
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
  
Insect Repellent
  
Plant Benefits
  
  
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
  
Antioxidants, Antiseptic, Astringent, Diabetes, Diarrhea, Diuretic, Gallbladder Diseases, Haemorrhages, Inflammation, Kidney problems, Kidney Stones, Liver problems, Sore throat, Strengthen gums, Swelling, Ulcers
  
Part of Plant Used
Flowers, Root
  
Leaves, 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
  
Can be made into a herbal tea, repels rabbits, deers and mosquitos, Used as a nutritious food item
  
Used As Indoor Plant
Yes
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Container, Herb
  
Bedding Plant, Mixed Border, Wildflower
  
Botanical Name
CENTAUREA cyanus
  
GERANIUM robertianum
  
Common Name
Batchelor's Buttons, Cornflower
  
Death-Comes-Quickly, Herb Robert, Dove's Foot, Crow's Foot, Storksbill, Red Robin
  
In Hindi
Hydrangea
  
जड़ी बूटी रॉबर्ट
  
In German
Hortensie
  
Kraut Robert
  
In French
Hortensia
  
herbe à Robert
  
In Spanish
Hortensia
  
hierba de San Roberto
  
In Greek
υδραγεία
  
βότανο Robert
  
In Portuguese
Hortênsia
  
erva robert
  
In Polish
Hortensja
  
herb robert
  
In Latin
Hibiscus
  
Robertus herba
  
Kingdom
Plantae
  
Plantae
  
Phylum
Anthophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Asterales
  
Geraniales
  
Family
Asteraceae
  
Geraniaceae
  
Genus
Centaurea
  
Geranium
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Cynareae
  
Not Available
  
Subfamily
Carduoideae
  
Not Available
  
Number of Species
Not Available
  
Not Available
  
Season and Care of Cornflower and Herb Robert
Season and care of Cornflower and Herb Robert is important to know. While considering everything about Cornflower and Herb Robert Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Herb Robert season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Herb Robert is Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Herb Robert is Acidic, Neutral, Alkaline.
Cornflower and Herb Robert Physical Information
Cornflower and Herb Robert physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Herb Robert height is 25.40 cm and width 30.50 cm. The color specification of Cornflower and Herb Robert are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Herb Robert flower color: Pink, Magenta and Rose
- Herb Robert leaf color: Green and Light Green
Care of Cornflower and Herb Robert
Care of Cornflower and Herb Robert include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Herb Robert pruning is done Cut or pinch the stems, Remove damaged leaves and Remove dead leaves. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Herb Robert needs Average Water and in winter, it needs Average Water.