Life Span
Annual
Perennial
Type
Perennial
Tree
Origin
Europe, Asia
Asia
Types
Winged flax, Bristle flax, Fairy flax
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
43
0
40000
👆🏻
Habitat
Cultivated Beds
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
4-86-9
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
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
45.72 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
45.72 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Green, 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, Yellow green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Narrow
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Needs less watering
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, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Midseason Pruning, Prune in fall, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Drought, Soil Compaction
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Birds, Butterflies, Hummingbirds
Allergy
Cyanide poisoning
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Good for skin
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
Antirheumatic, Carminative, Emollient, Ophthalmic, Poultice, Stomachic
Diaphoretic
Part of Plant Used
Flowers, Seeds
Bark, Fruits, Seeds
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
LINUM perenne
Pterocarya fraxinifolia
Common Name
Perennial Flax, Blue flax, Alpine flax
Caucasian wingnut, Caucasian walnut
In Hindi
Blue Flax Plant
wingnut
In German
Blaue Flachspflanze
wingnut
In French
Bleu lin Plante
wingnut
In Spanish
Planta de lino azul
wingnut
In Greek
Μπλε Λίνο Φυτών
wingnut
In Portuguese
Planta do linho azul
wingnut
In Polish
Niebieski roślin lnu
Wingnut
In Latin
Blue linum Planta
wingnut
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Fagales
Family
Linaceae
Juglandaceae
Genus
Linum
Pterocarya
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandoideae
Number of Species
1806
1
27800
👆🏻