Life Span
Annual and Perennial
Perennial
Type
Flowering Plants, Shrubs
Broadleaf Evergreen
Origin
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
China
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Rhododendron
Number of Varieties
10020
0
40000
👆🏻
Habitat
Forest edges, Hillside, Woods
Well Drained
USDA Hardiness Zone
2-115-7
0
99
👆🏻
AHS Heat Zone
7 - 1
-
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
30.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
30.00 cm45.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue, Indigo, Dark Blue
Purple, Lavender, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
-
Leaf Color in Spring
Sea Green, Gray Green
Blue Green
Leaf Color in Summer
Sea Green, Gray Green
Blue Green
Leaf Color in Fall
Sea Green, Gray Green
Blue Green
Leaf Color in Winter
Light Green
Blue Green
Shape
Leaf Shape
Oblovate
Elliptic and Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
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
Soil Drainage
Well drained
Well drained
Bloom Time
Indeterminate
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Pot
How to Plant?
Seedlings
Rooted stem cutting
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
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Slightly Acidic
Acidic
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
-
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beautification, 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
-
Part of Plant Used
Flowers, Root
Flowers, Leaves
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 Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Herb
Alpine, Container, Edging, Groundcover, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
CENTAUREA cyanus
RHODODENDRON impeditum
Common Name
Batchelor's Buttons, Cornflower
Dwarf Rhododendron, Dwarf Purple Rhododendron
In Hindi
Hydrangea
Dwarf Rhododendron
In German
Hortensie
Dwarf Rhododendron
In French
Hortensia
Dwarf Rhododendron
In Spanish
Hortensia
Dwarf Rhododendron
In Greek
υδραγεία
Dwarf Rhododendron
In Portuguese
Hortênsia
Dwarf Rhododendron
In Polish
Hortensja
Dwarf Rhododendron
In Latin
Hibiscus
Dwarf Rhododendron
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Ericales
Family
Asteraceae
Ericaceae
Genus
Centaurea
Rhododendron
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Cynareae
Rhodoreae
Subfamily
Carduoideae
Ericoideae
Number of Species
25040
1
27800
👆🏻