Life Span
Annual and Perennial
Annual
Type
Flowering Plants, Shrubs
Shrubs
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
World/Pandemic
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Viola sororia, Viola odorata, Viola tricolor
Habitat
Forest edges, Hillside, Woods
gardens, Grassland, Prairies, Tropical regions
USDA Hardiness Zone
2-11
-9999
AHS Heat Zone
7 - 1
9 - 1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, 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
Clump-Forming
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
White, Yellow, Red, Blue, Purple, Orange, Gold, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
-
Leaf Color in Spring
Sea Green, Gray Green
Green
Leaf Color in Summer
Sea Green, Gray Green
Green
Leaf Color in Fall
Sea Green, Gray Green
Green
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
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Indeterminate
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground, Pot
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
Allow soil to be completely dry in between waterings, Requires watering in the growing season, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Slightly Acidic
Acidic, Alkaline, Neutral
Soil Type
Loamy
Clay, Loam
Soil Drainage Capacity
Loamy
Well drained
Sun Exposure
Full Sun
Full Shade, Partial shade, Partial Sun
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Compost
All-Purpose Liquid Fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Red blotch
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Butterflies
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beautification
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Anti-oxidant, Asthma, Dermatitis
Part of Plant Used
Flowers, Root
Flowers
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
Culinary use, Making Perfumes
Used As Indoor Plant
Yes
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Feature Plant
Botanical Name
CENTAUREA cyanus
VIOLA 'Gem Plum Antique'
Common Name
Batchelor's Buttons, Cornflower
Viola
In German
Hortensie
Viola
In Spanish
Hortensia
Viola
In Portuguese
Hortênsia
Viola
In Polish
Hortensja
Altówka
Phylum
Anthophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Malpighiales
Family
Asteraceae
Violaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
Carduoideae
Violoideae
Season and Care of Cornflower and Viola
Season and care of Cornflower and Viola is important to know. While considering everything about Cornflower and Viola Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Viola season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Viola is Clay, Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Viola is Acidic, Neutral, Alkaline.
Cornflower and Viola Physical Information
Cornflower and Viola physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Viola height is 15.20 cm and width 12.70 cm. The color specification of Cornflower and Viola are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Viola flower color: White, Yellow, Red, Blue, Purple, Orange, Gold, Light Blue and Lavender
- Viola leaf color: Green
Care of Cornflower and Viola
Care of Cornflower and Viola include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Viola pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Viola needs Lots of watering and in winter, it needs Average Water.