Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Perennial
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Europe, Russia
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Primula elatior
Habitat
Forest edges, Hillside, Woods
Roadsides, sand dunes, Waste areas
USDA Hardiness Zone
2-11
4-7
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, H1, H2, 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
Rosette/Stemless
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Tan
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
Leaf Shape
Oblovate
Oblong
Plant Season
Spring, Summer, Fall
Summer
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Medium
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
Early Summer, Summer, Late Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
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
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Compost
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Slugs, Snails
Plant Tolerance
Drought
Variety of soil types
Flower Petal Number
Single
Single
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Insects
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Abdominal pain, Constipation, Diarrhea, Skin irritation
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
-
Good for skin, Making cosmetics, Stops hair loss
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification, Food for insects, Versatility
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Eczema
Part of Plant Used
Flowers, Root
Root
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
Decoration Purposes, Medicinal oil, 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
Container, Herb
Edging, Feature Plant, Groundcover, Mixed Border
Botanical Name
CENTAUREA cyanus
Primula elatior
Common Name
Batchelor's Buttons, Cornflower
Oxlip, true oxlip
In German
Hortensie
Hohe Schlüsselblume
In French
Hortensia
La Primevère élevée ou Primevère des bois
In Spanish
Hortensia
Primula elatior
In Greek
υδραγεία
δακράκι
In Portuguese
Hortênsia
Oxlip
In Polish
Hortensja
Oxlip
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Asteraceae
Onagraceae
Genus
Centaurea
Oenothera
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
Carduoideae
Onagroideae
Season and Care of Cornflower and Oxlip
Season and care of Cornflower and Oxlip is important to know. While considering everything about Cornflower and Oxlip Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Oxlip season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Oxlip is Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Oxlip is Acidic, Neutral, Alkaline.
Cornflower and Oxlip Physical Information
Cornflower and Oxlip physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Oxlip height is 30.00 cm and width 25.00 cm. The color specification of Cornflower and Oxlip are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Oxlip flower color: Light Yellow
- Oxlip leaf color: Green
Care of Cornflower and Oxlip
Care of Cornflower and Oxlip include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Oxlip pruning is done Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove dead or diseased plant parts. In summer Cornflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Oxlip needs Lots of watering and in winter, it needs Average Water.