Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Perennial, Shrub
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Northwestern United States, Canada
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
Habitat
Forest edges, Hillside, Woods
foothill woods, High elevation, Open areas, Rocky areas
USDA Hardiness Zone
2-11
4-9
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
Habit
Upright/Erect
Mat-forming
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Brown
Leaf Color in Spring
Sea Green, Gray Green
Dark Green
Leaf Color in Summer
Sea Green, Gray Green
Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Dark Green
Leaf Color in Winter
Light Green
Dark Green
Leaf Shape
Oblovate
Narrow and lance shape
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
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Late Spring, Early Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Ground
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 less watering, Requires regular watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Slightly Acidic
Acidic, Neutral
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
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
Glossy
Attracts
Butterflies
Hummingbirds, Butterflies
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Asthma, Pollen
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Cottage Garden, Showy Purposes
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification, Wildlife
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Recovering internal injuries, Wounds
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
Container, Used as Ornamental plant, Veterinarian uses
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Herb
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
CENTAUREA cyanus
PENSTEMON fruticosus 'Purple Haze'
Common Name
Batchelor's Buttons, Cornflower
Bush Penstemon, Shrubby Penstemon
In Hindi
Hydrangea
Bush Penstemon
In German
Hortensie
Bush Penstemon
In French
Hortensia
Bush Penstemon
In Spanish
Hortensia
Bush Penstemon
In Greek
υδραγεία
Μπους Penstemon
In Portuguese
Hortênsia
Bush, Penstemon
In Polish
Hortensja
Bush Penstemon
In Latin
Hibiscus
Persicaria Bush
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Scrophulariales
Family
Asteraceae
Scrophulariaceae
Genus
Centaurea
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Season and Care of Cornflower and Bush Penstemon
Season and care of Cornflower and Bush Penstemon is important to know. While considering everything about Cornflower and Bush Penstemon Care, growing season is an essential factor. Cornflower season is Spring, Summer and Fall and Bush Penstemon season is Spring, Summer and Fall. The type of soil for Cornflower is Loam, Sand and for Bush Penstemon is Loam, Sand while the PH of soil for Cornflower is Acidic, Neutral, Alkaline and for Bush Penstemon is Acidic, Neutral.
Cornflower and Bush Penstemon Physical Information
Cornflower and Bush Penstemon physical information is very important for comparison. Cornflower height is 30.00 cm and width 30.00 cm whereas Bush Penstemon height is 45.72 cm and width 40.64 cm. The color specification of Cornflower and Bush Penstemon are as follows:
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
Cornflower leaf color: Sea Green and Gray Green
Bush Penstemon flower color: Purple
- Bush Penstemon leaf color: Dark Green
Care of Cornflower and Bush Penstemon
Care of Cornflower and Bush Penstemon include pruning, fertilizers, watering etc. Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves and Bush Penstemon 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 Bush Penstemon needs Lots of watering and in winter, it needs Average Water.