Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Flowering Plants
Origin
-
North-Central United States, Central United States, Western United States, Texas
Types
Rhododendron, Azalea indica, Azalea japonica
Blue Toadflax, Old-Field Toadflax
Number of Varieties
1030
0
40000
👆🏻
Habitat
Forests
Cultivated Beds
USDA Hardiness Zone
8-113-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Oval or Rounded
Upright/Erect
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
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Dark Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green, Dark Green
Blue Green, Gray Green
Leaf Color in Fall
Green, Dark Green
Blue Green, Gray Green
Leaf Color in Winter
Green, Dark Green
-
Shape
Leaf Shape
Linear
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Fall, Winter, Late Winter
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
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
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
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
use all-purpose fertilizers
Pests and Diseases
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies
Foliar disease, Root rot, Spider mites
Plant Tolerance
Drought, Shade areas
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
Onion thrips, White Pine Weevil
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Bonsai, Cottage Garden
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Astringent
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Flowers, Leaves
Leaves, Root
Other Uses
Repellent, used for making charcoal, Used for woodware
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Rock Garden / Wall, Wildflower
Botanical Name
RHODODENDRON 'Anthopogon'
PENSTEMON grandiflorus
Common Name
Evergreen Azalea
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Azalea
Wild Snapdragon
In German
Azalee
Wilde Snapdragon
In French
azalée
Snapdragon sauvage
In Spanish
azalea
Salvaje Snapdragon
In Greek
αζάλεα
άγρια Snapdragon
In Portuguese
Azalea
Selvagem Snapdragon
In Polish
azalia
Dziki Snapdragon
In Latin
Azalea
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Scrophulariales
Family
Ericaceae
Scrophulariaceae
Genus
Rhododendron
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Rhodoreae
-
Subfamily
Ericoideae
Scrophularioideae
Number of Species
102440
1
27800
👆🏻