Life Span
Annual
Perennial
Type
Perennial
Broadleaf Evergreen
Origin
Europe, Asia
-
Types
Winged flax, Bristle flax, Fairy flax
Rhododendron, Azalea indica, Azalea japonica
Number of Varieties
410
0
40000
👆🏻
Habitat
Cultivated Beds
Forests
USDA Hardiness Zone
4-88-11
0
99
👆🏻
AHS Heat Zone
9-7
-
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
45.72 cm60.00 cm
0
3900
👆🏻
Minimum Width
45.72 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Green, Blue Green
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Green, Blue Green
Green, Dark Green
Leaf Color in Winter
Light Green
Green, Dark Green
Shape
Leaf Shape
Narrow
Linear
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Early Spring, Spring, Late Fall, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Average Water Needs, Do not water frequently
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Midseason Pruning, Prune in fall, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Red blotch
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies
Plant Tolerance
Drought
Drought, Shade areas
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Onion thrips, White Pine Weevil
Allergy
Cyanide poisoning
-
Uses
Aesthetic Uses
Showy Purposes
Bonsai, Cottage Garden
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
Astringent
Part of Plant Used
Flowers, Seeds
Flowers, Leaves
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
Repellent, used for making charcoal, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
LINUM perenne
RHODODENDRON 'Anthopogon'
Common Name
Perennial Flax, Blue flax, Alpine flax
Evergreen Azalea
In Hindi
Blue Flax Plant
Azalea
In German
Blaue Flachspflanze
Azalee
In French
Bleu lin Plante
azalée
In Spanish
Planta de lino azul
azalea
In Greek
Μπλε Λίνο Φυτών
αζάλεα
In Portuguese
Planta do linho azul
Azalea
In Polish
Niebieski roślin lnu
azalia
In Latin
Blue linum Planta
Azalea
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Ericales
Family
Linaceae
Ericaceae
Genus
Linum
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Rhodoreae
Subfamily
-
Ericoideae
Number of Species
1801024
1
27800
👆🏻