Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Perennial
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
-
Number of Varieties
10010
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Open areas, stream banks, Wet Woods
USDA Hardiness Zone
2-114-8
0
99
👆🏻
AHS Heat Zone
7 - 1
8-1
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, 8, 9, 14, 15, 16, 17
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
30.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Blue, Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
-
Leaf Color in Spring
Sea Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Sea Green, Gray Green
Green, Dark Green
Leaf Color in Fall
Sea Green, Gray Green
Green, Dark Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Oblovate
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Very Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Deer resistant, Shade areas, Wet Site
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
Do not let dry out between waterings, Needs Very high moisture, Requires consistently moist soil
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly Acidic
Acidic, Neutral, Alkaline
Soil Type
Loamy
Clay, Loam
Soil Drainage Capacity
Loamy
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove deadheads
Fertilizers
Compost
10-10-10, Balanced liquid fertilizer
Pests and Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Head smut, Rust, Slugs, Snails
Plant Tolerance
Drought
Deer resistant, Shade areas, Wet Site
Flowers
✔
✘
✔
✘
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
Bees, Birds, Butterflies, Hummingbirds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Skin irritation, Skin rash, Toxic if not prepared properly
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beautification, Cottage Garden, Showy Purposes
Beauty Benefits
-
Skin Problems
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
Diarrhea, Dysentry, Healing, Stomach pain, Syphilis
Part of Plant Used
Flowers, Root
Bark, Flowers, Leaves, 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
Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Mixed Border, Wildflower
Botanical Name
CENTAUREA cyanus
LOBELIA siphilitica
Common Name
Batchelor's Buttons, Cornflower
Great blue lobelia, great lobelia
In Hindi
Hydrangea
महान ब्लू लोबेलिआ
In German
Hortensie
Great Blue Lobelia
In French
Hortensia
Great Lobelia bleu
In Spanish
Hortensia
Gran Lobelia azul
In Greek
υδραγεία
Μεγάλη Μπλε Lobelia
In Portuguese
Hortênsia
Grande Lobelia azul
In Polish
Hortensja
Great Blue Lobelia
In Latin
Hibiscus
Blue Lobelia
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Campanulales
Family
Asteraceae
Lobeliaceae
Genus
Centaurea
Lobelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
-
Subfamily
Carduoideae
Lobelioideae
Number of Species
250415
1
27800
👆🏻