Life Span
Annual
Biennial
Type
Perennial
Tree
Origin
Europe, Asia
-
Types
Winged flax, Bristle flax, Fairy flax
Chinese red birch, Betula fruticosa, Betula ermanii
Number of Varieties
460
0
40000
👆🏻
Habitat
Cultivated Beds
Rocky areas, Sandy areas, Well Drained, Wet forest, Wet ground, Wet lands
USDA Hardiness Zone
4-84-7
0
99
👆🏻
AHS Heat Zone
9-7
7-1
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
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16
Habit
Clump-Forming
Pyramidal
Plant Size
Minimum Height
45.72 cm1,219.20 cm
0
3900
👆🏻
Minimum Width
45.72 cm762.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Yellow, Tan
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Bronze, Sandy Brown
Leaf Color in Spring
Green, Blue Green
-
Leaf Color in Summer
Green, Blue Green
-
Leaf Color in Fall
Green, Blue Green
Yellow, Red, Orange
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Narrow
Heart-shaped
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
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
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Average Water Needs, Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Loam
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
Prune in early spring, Prune in late winter, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short branches
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Fertilize in early spring, Fertilize in late fall, Nitrogen
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
-
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Ants, Birds, Insects
Allergy
Cyanide poisoning
Itchiness, Pollen, Sore Throat
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
Good for skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
anti-inflammatory, Arthritis, Bone strength, Dermatitis, Eczema, Eliminate toxins, Heart problems, High cholestrol, Immunity, Kidney problems
Part of Plant Used
Flowers, Seeds
Whole plant
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Feature Plant, Mixed Border, Shade Trees
Botanical Name
LINUM perenne
BETULA 'Crimson Frost'
Common Name
Perennial Flax, Blue flax, Alpine flax
Birch, Crimson Frost Birch
In Hindi
Blue Flax Plant
भोज पत्र
In German
Blaue Flachspflanze
Birke
In French
Bleu lin Plante
Arbre de bouleau
In Spanish
Planta de lino azul
Abedul
In Greek
Μπλε Λίνο Φυτών
Birch Tree
In Portuguese
Planta do linho azul
bétula
In Polish
Niebieski roślin lnu
Brzoza
In Latin
Blue linum Planta
Caerulus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Fagales
Family
Linaceae
Betulaceae
Genus
Linum
Betula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Carpinaceae
Number of Species
18034
1
27800
👆🏻