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