Life Span
Annual
Annual and Perennial
Type
Perennial
Shrub
Origin
Europe, Asia
South Africa
Types
Winged flax, Bristle flax, Fairy flax
Cephalanthus occidentalis
Number of Varieties
47
0
40000
👆🏻
Habitat
Cultivated Beds
Boggy areas, Dappled Shade, Shady Edge, Sunny Edge, Woodland Garden Canopy
USDA Hardiness Zone
4-89-11
0
99
👆🏻
AHS Heat Zone
9-7
9-1
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
H1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
45.72 cm365.76 cm
0
3900
👆🏻
Minimum Width
45.72 cm182.88 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Light Yellow, Ivory
Flower Color Modifier
Bicolor
-
Fruit Color
Tan
Brown
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Light Green
Green
Shape
Leaf Shape
Narrow
Egg-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, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Early Spring, Spring, Late Spring, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Ground
Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Requires 4 to 8 inches of water above the soil line
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, 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
Prune in early summer, Remove damaged leaves, Remove dead branches, Remove dead leaves, Trim each shoot back to the first set of leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
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
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Butterflies
Allergy
Cyanide poisoning
Toxic
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
Astringent, Diaphoretic, Diuretic, Emetic, Febrifuge, Laxative, Odontalgic, Ophthalmic, Tonic
Part of Plant Used
Flowers, Seeds
Bark, Fruits, Inner Bark, Root, Wood
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Bog Garden, Cutflower, Dried Flower, Everlasting, Feature Plant, Mixed Border, Tropical
Botanical Name
LINUM perenne
BERZELIA lanuginosa
Common Name
Perennial Flax, Blue flax, Alpine flax
Buttonbush
In Hindi
Blue Flax Plant
Buttonbush shrub
In German
Blaue Flachspflanze
Button Strauch
In French
Bleu lin Plante
buttonbush arbuste
In Spanish
Planta de lino azul
arbusto buttonbush
In Greek
Μπλε Λίνο Φυτών
Buttonbush θάμνος
In Portuguese
Planta do linho azul
arbusto Buttonbush
In Polish
Niebieski roślin lnu
Buttonbush krzew
In Latin
Blue linum Planta
Frutex Buttonbush
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Rubiales
Family
Linaceae
Bruniaceae
Genus
Linum
Cephalanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
18012
1
27800
👆🏻