Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Broadleaf Evergreen
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Hybrid origin
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Habitat
Forest edges, Hillside, Woods
Forest edges, Hillside, Woods
USDA Hardiness Zone
2-11
8-10
AHS Heat Zone
7 - 1
Not Available
Sunset Zone
Not Available
21,22
Habit
Upright/Erect
Spreading
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Magenta
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Not Available
Leaf Color in Spring
Sea Green, Gray Green
Green, Gray Green
Leaf Color in Summer
Sea Green, Gray Green
Green, Gray Green
Leaf Color in Fall
Sea Green, Gray Green
Green, Gray Green
Leaf Color in Winter
Light Green
Green, Gray Green
Leaf Shape
Oblovate
Oblovate
Plant Season
Spring, Summer, Fall
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full 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
Spring, Late Spring, Early Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Not Available
In Summer
Lots of watering
Drought Tolerant
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
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
Medium
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Bees, Flies
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Not Available
Beauty Benefits
Not Available
Not Available
Edible Uses
Yes
Not Available
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
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Flowers, Root
Flowers, 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
Not Available
Used As Indoor Plant
Yes
Not Available
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Container, Foundation, Mixed Border, Rock Garden, Wall
Botanical Name
CENTAUREA cyanus
CISTUS x pulverulentus
Common Name
Batchelor's Buttons, Cornflower
Rockrose
In Hindi
Hydrangea
Hydrangea
In German
Hortensie
Hortensie
In French
Hortensia
Hortensia
In Spanish
Hortensia
Hortensia
In Greek
υδραγεία
υδραγεία
In Portuguese
Hortênsia
Hortênsia
In Polish
Hortensja
Hortensja
In Latin
Hibiscus
Hibiscus
Phylum
Anthophyta
Not Available
Class
Magnoliopsida
Not Available
Order
Asterales
Not Available
Family
Asteraceae
Cistaceae
Genus
Centaurea
Not Available
Clade
Angiosperms, Asterids, Eudicots
Not Available
Tribe
Cynareae
Not Available
Subfamily
Carduoideae
Not Available
Number of Species
Not Available
Not Available
Importance of Cornflower and Rockrose
Want to have the most appropriate plant for your garden? You might want to know the importance of Cornflower and Rockrose. Basically, these two plants vary in many aspects. Compare Cornflower and Rockrose as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Cornflower is Fever, Kidney problems and Urinary tract problems whereas of Rockrose is Fever, Kidney problems and Urinary tract problems. Cornflower has beauty benefits as follows: Not Available while Rockrose has beauty benefits as follows: Not Available.
Compare Facts of Cornflower vs Rockrose
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Cornflower vs Rockrose and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Cornflower are Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting whereas of Rockrose have Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Cornflower has no showy fruits and Rockrose has no showy fruits. Also Cornflower is not flowering and Rockrose is not flowering . You can compare Cornflower and Rockrose facts and facts of other plants too.