Life Span
Annual and Perennial
Biennial
Type
Flowering Plants, Shrubs
Tree
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Yellow Birch, Paper Birch, River Birch
Habitat
Forest edges, Hillside, Woods
Hills, Moist Soils
USDA Hardiness Zone
2-11
4-9
Sunset Zone
Not Available
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
Oval or Rounded
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Black
Leaf Color in Spring
Sea Green, Gray Green
Green, Light Green
Leaf Color in Summer
Sea Green, Gray Green
Green, Light Green
Leaf Color in Fall
Sea Green, Gray Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
Not Available
Leaf Shape
Oblovate
Pinnate
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Spring
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
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
Requires watering in the growing season, Water daily during growing season, Water Deeply, Water more frequently during periods of extreme drought
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
Soil Drainage Capacity
Loamy
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
Compost
All-Purpose Liquid Fertilizer, fertilize twice a year, Nitrogen
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Red blotch
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flower Petal Number
Single
Not Available
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Ants, Aphids, Birds, Not Available
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Not Available
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Not Available
Good for skin
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Antibacterial, anti-inflammatory, Arthritis, Boils, bowel syndrome, Combats Stress, Diarrhea, Dysentry, Heart problems, Kidney Stones, Osteoarthritis, Skin Disorders, Urinary tract problems
Part of Plant Used
Flowers, Root
Bark, Leaves, Sap
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
Medicinal oil, Used as essential oil
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Feature Plant, Shade Trees
Botanical Name
CENTAUREA cyanus
BETULA nigra 'Studetec'
Common Name
Batchelor's Buttons, Cornflower
Black Birch, River Birch, Tecumseh Compact River Birch
In Hindi
Hydrangea
काले बर्च वृक्ष
In German
Hortensie
Schwarze Birke
In French
Hortensia
Noir Bouleau
In Spanish
Hortensia
Negro del árbol de abedul
In Greek
υδραγεία
Μαύρο Birch Tree
In Portuguese
Hortênsia
Bétula Preto
In Polish
Hortensja
Czarny Brzoza
In Latin
Hibiscus
Niger Caerulus
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Asteraceae
Betulaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Cynareae
Not Available
Subfamily
Carduoideae
Not Available
Number of Species
Not Available
Season and Care of Cornflower and Black Birch
Season and care of Cornflower and Black Birch is important to know. While considering everything about Cornflower and Black Birch Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Black Birch season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Black Birch is Clay, Loam while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Black Birch is Acidic, Neutral.
Cornflower and Black Birch Physical Information
Cornflower and Black Birch physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Black Birch height is 2,133.60 cm and width 762.00 cm. The color specification of Cornflower and Black Birch are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Black Birch flower color: Yellow and Brown
- Black Birch leaf color: Green and Light Green
Care of Cornflower and Black Birch
Care of Cornflower and Black Birch 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 Birch pruning is done Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove hanging branches. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Birch needs Lots of watering and in winter, it needs Average Water.