Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Perennial
Origin
-
North America, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, South-Central United States, Canada
Types
Rhododendron, Azalea indica, Azalea japonica
Herbaceous perennial
Number of Varieties
1040
0
40000
👆🏻
Habitat
Forests
Lakes, Pastures, Prairies, Roadsides, Swamps, Woodlands
USDA Hardiness Zone
8-113-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
60.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Red
Red, Crimson, Dark Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Green, Dark Green
Dark Green
Leaf Color in Fall
Green, Dark Green
Purple, Dark Green, Burgundy
Leaf Color in Winter
Green, Dark Green
Light Green
Shape
Leaf Shape
Linear
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Early Spring, Spring, Late Fall, Winter, Late Winter
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Stem Cutting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do not water frequently
Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
All-Purpose Liquid Fertilizer
Pests and Diseases
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies
Red blotch
Plant Tolerance
Drought, Shade areas
Drought
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Onion thrips, White Pine Weevil
Butterflies, Insects
Allergy
-
-
Uses
Aesthetic Uses
Bonsai, Cottage Garden
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Astringent
Headache, Rheumatism, Stomach pain
Part of Plant Used
Flowers, Leaves
Flowers, Leaves, Root
Other Uses
Repellent, used for making charcoal, Used for woodware
Medicinal oil, Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Bog Garden, Mixed Border, Water Gardens, Wildflower
Botanical Name
RHODODENDRON 'Anthopogon'
LOBELIA cardinalis
Common Name
Evergreen Azalea
Cardinal Flower
In Hindi
Azalea
Cardinal Flower
In German
Azalee
Cardinal Flower
In French
azalée
Cardinal Flower
In Spanish
azalea
Cardinal Flower
In Greek
αζάλεα
Καρδινάλιος λουλούδι
In Portuguese
Azalea
Cardinal Flower
In Polish
azalia
Cardinal Flower
In Latin
Azalea
Cardinalis Flower
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Asterales
Family
Ericaceae
Lobeliaceae
Genus
Rhododendron
Lobelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Rhodoreae
-
Subfamily
Ericoideae
Lobelioideae
Number of Species
102456
1
27800
👆🏻