Life Span
Annual
Annual and Perennial
Type
Perennial
Tree
Origin
Europe, Asia
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
Winged flax, Bristle flax, Fairy flax
Quercus stellata
Number of Varieties
420
0
40000
👆🏻
Habitat
Cultivated Beds
Woodland Garden Canopy
USDA Hardiness Zone
4-85-9
0
99
👆🏻
AHS Heat Zone
9-7
9-4
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
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
45.72 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
45.72 cm1,680.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Sky Blue
Red, Light Yellow, Tan
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
-
Leaf Color in Spring
Green, Blue Green
Dark Green
Leaf Color in Summer
Green, Blue Green
Dark Green
Leaf Color in Fall
Green, Blue Green
Orange, Tan, Bronze, Orange Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Narrow
Elliptic and Ovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
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
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
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Birds
Allergy
Cyanide poisoning
-
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, Emetic, Febrifuge, Tonic
Part of Plant Used
Flowers, Seeds
Leaves, Seeds, Wood
Other Uses
Cosmetics, Fibre, For making oil, Used in paper industry
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden, Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
LINUM perenne
QUERCUS stellata
Common Name
Perennial Flax, Blue flax, Alpine flax
Post Oak
In Hindi
Blue Flax Plant
पोस्ट ओक
In German
Blaue Flachspflanze
Post oak
In French
Bleu lin Plante
Post oak
In Spanish
Planta de lino azul
Post oak
In Greek
Μπλε Λίνο Φυτών
Post Oak
In Portuguese
Planta do linho azul
Post Oak
In Polish
Niebieski roślin lnu
post Oak
In Latin
Blue linum Planta
Post quercu
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Linales
Fagales
Family
Linaceae
Fagaceae
Genus
Linum
Quercus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
18090
1
27800
👆🏻