Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Flowering Plants
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Southwestern United States, California
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
-
Number of Varieties
10040
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Dry areas, meadows
USDA Hardiness Zone
2-114-9
0
99
👆🏻
AHS Heat Zone
7 - 1
9-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
30.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Crimson
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
-
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
-
Shape
Leaf Shape
Oblovate
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Very Fast
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly 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
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Fertilizers
Compost
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Insects
Plant Tolerance
Drought
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Hummingbirds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Asthma
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Air purification
Plant Benefits
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
Burns, Snakebite, Stomach aliments
Part of Plant Used
Flowers, Root
Whole plant
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
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
CENTAUREA cyanus
PENSTEMON eatonii
Common Name
Batchelor's Buttons, Cornflower
Firecracker Penstemon
In Hindi
Hydrangea
Firecracker penstemon
In German
Hortensie
Kracher penstemon
In French
Hortensia
Firecracker penstemon
In Spanish
Hortensia
Penstemon del petardo
In Greek
υδραγεία
πυροτέχνημα penstemon
In Portuguese
Hortênsia
Penstemon do foguete
In Polish
Hortensja
petarda penstemon
In Latin
Hibiscus
Firecracker Persicaria
Kingdom
Plantae
Plantae
Phylum
Anthophyta
-
Class
Magnoliopsida
-
Order
Asterales
Lamiales
Family
Asteraceae
Scrophulariaceae
Genus
Centaurea
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
-
Subfamily
Carduoideae
-
Number of Species
250250
1
27800
👆🏻