Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Cactus or Succulent
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
North America, Southwestern United States, Mexico
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Colville's Barrel Cactus, Long-spined Barrel Cactus, Barrel Cactus
Habitat
Forest edges, Hillside, Woods
limestone outcrops, Rocky areas, Semi desert
USDA Hardiness Zone
2-11
12-15
AHS Heat Zone
7 - 1
12-10
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
12, 13, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Yellow, Magenta
Flower Color Modifier
Bicolor
-
Fruit Color
Brown, Sandy Brown
Pink, Red
Leaf Color in Spring
Sea Green, Gray Green
-
Leaf Color in Summer
Sea Green, Gray Green
-
Leaf Color in Fall
Sea Green, Gray Green
-
Leaf Color in Winter
Light Green
-
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Slow
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, 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
Needs good drainage, Needs very little water, Water carefully
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
-
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
Bold
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Edible Uses
Yes
Insignificant
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
-
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
Used as Ornamental plant
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Container, Houseplant, Rock Garden, Wall
Botanical Name
CENTAUREA cyanus
ECHINOCACTUS horizonthalonius
Common Name
Batchelor's Buttons, Cornflower
Devilshead, Turk's head cactus, Blue barrel cactus, Eagle's claw, Horse maimer, Horse crippler, Visnaga meloncillo
In Hindi
Hydrangea
Blue barrel cactus
In German
Hortensie
Blau Faßkaktus
In French
Hortensia
Bleu barrel cactus
In Spanish
Hortensia
biznaga Azul
In Greek
υδραγεία
Μπλε βαρέλι κάκτος
In Portuguese
Hortênsia
cacto de tambor azul
In Polish
Hortensja
Niebieski baryłkę kaktus
In Latin
Hibiscus
Blue Cactus
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Caryophyllales
Family
Asteraceae
Cactaceae
Genus
Centaurea
Echinocactus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Core eudicots, Eudicots
Subfamily
Carduoideae
Cactaceae
Importance of Cornflower and Blue Barrel
Want to have the most appropriate plant for your garden? You might want to know the importance of Cornflower and Blue Barrel. Basically, these two plants vary in many aspects. Compare Cornflower and Blue Barrel 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 Blue Barrel is . Cornflower has beauty benefits as follows: while Blue Barrel has beauty benefits as follows: .
Compare Facts of Cornflower vs Blue Barrel
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 Blue Barrel 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 Blue Barrel have respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Cornflower has no showy fruits and Blue Barrel has no showy fruits. Also Cornflower is not flowering and Blue Barrel is flowering. You can compare Cornflower and Blue Barrel facts and facts of other plants too.