Life Span
Perennial
Perennial
Type
Tree
Bulb or Corm or Tuber
Origin
United States, California
South America, Argentina
Types
-
Perennial
Number of Varieties
835
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Temperate Regions
USDA Hardiness Zone
6-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm5.10 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Light Blue, Light Purple, Silver, Sky Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Light Green, Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow, Orange, Pink
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Irregular
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Early Spring, Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
By dividing rhizomes, tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic, Neutral, Alkaline
Soil Type
-
Clay, Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Slugs, Snails
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
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
Medium
Medium
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bees, Birds, Hummingbirds
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
Flowers
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS douglasii
Ipheion uniflorum
Common Name
Blue Oak
Spring Starflower, Springstar
In Hindi
Blue Oak Tree
Spring Starflower
In German
Blaue Eiche
Frühling Borretsch
In French
Bleu Oak Tree
Spring Starflower
In Spanish
Azul del árbol de roble
primavera Flor de estrella
In Greek
Μπλε Oak Tree
άνοιξη starflower
In Portuguese
Carvalho azul
primavera Starflower
In Polish
Niebieski Oak Tree
Wiosna Starflower
In Latin
Blue quercum ligno
Spring Starflower
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Order
Fagales
Asparagales
Family
Fagaceae
Liliaceae
Genus
Quercus
Ipheion
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Gilliesieae
Subfamily
-
Allioideae
Number of Species
2050
1
27800
👆🏻