Life Span
Annual
Perennial
Type
Perennial
Tree
Origin
Europe, Asia
India, Nepal, China
Types
Winged flax, Bristle flax, Fairy flax
Betula utilis
Number of Varieties
42
0
40000
👆🏻
Habitat
Cultivated Beds
Mountains
USDA Hardiness Zone
4-85-7
0
99
👆🏻
AHS Heat Zone
9-7
7-5
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
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Clump-Forming
Pyramidal
Plant Size
Minimum Height
45.72 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
45.72 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Tan, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Green, Blue Green
Yellow green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Yellow
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Narrow
Cordiform
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Grafting, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Requires watering in the growing season
In Summer
Lots of watering
Average Water
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
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
Fertilize in early spring, Fertilize in late fall, slow-release fertilizers
Pests and Diseases
Red blotch
Honey fungus, Leaves with brown tip, Phytophthora Root Rot, Powdery mildew, Verticillium Wilt
Plant Tolerance
Drought
Dry Conditions, waterlogging, Wet Site
Flowers
✔
✘
✔
✘
Flower Petal Number
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
-
Allergy
Cyanide poisoning
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
anti-cancer, anti-inflammatory, antimicrobial, Antioxidants, Antiseptic, Carminative
Part of Plant Used
Flowers, Seeds
Bark, Leaves
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
Used in construction, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
LINUM perenne
BETULA utilis
Common Name
Perennial Flax, Blue flax, Alpine flax
Himalayan Birch
In Hindi
Blue Flax Plant
हिमालय सन्टी
In German
Blaue Flachspflanze
Himalaya-Birke
In French
Bleu lin Plante
bouleau de l'Himalaya
In Spanish
Planta de lino azul
abedul del Himalaya
In Greek
Μπλε Λίνο Φυτών
Himalayan σημύδας
In Portuguese
Planta do linho azul
bétula Himalaia
In Polish
Niebieski roślin lnu
Himalayan brzoza
In Latin
Blue linum Planta
Birch Himalayan
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Fagales
Family
Linaceae
Betulaceae
Genus
Linum
Betula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
18030
1
27800
👆🏻