Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
United States, California
Types
-
-
Number of Varieties
28
0
40000
👆🏻
Habitat
gardens, Hardwood forests
Woodland Garden Canopy
USDA Hardiness Zone
5-76-9
0
99
👆🏻
AHS Heat Zone
7-5
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
15.20 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
12.70 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Green
-
Leaf Color in Spring
Green, Blue Green
Green, Blue Green
Leaf Color in Summer
Green, Gray Green
Green, Blue Green
Leaf Color in Fall
Green, Gray Green
Yellow, Orange, Pink
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Butterfly shaped
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial shade, Full Shade
Full Sun, Partial Sun
Growth Rate
Slow
Slow
Type of Soil
Clay, Loam
-
The pH of Soil
Neutral, Alkaline
-
Soil Drainage
Average
-
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Divison, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
-
Soil Type
Clay, Loam
-
Soil Drainage Capacity
Average
-
Sun Exposure
Partial shade, Full Shade
Full Sun, Partial Sun
Pruning
Remove deadheads, Requires very little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free, 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
Coarse
Medium
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Birds
Allergy
-
Pollen
Uses
Aesthetic Uses
Showy Purposes
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Cancer, Diuretic
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Flowers, Root
Leaves, Seeds, Wood
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, Groundcover
Feature Plant, Shade Trees, Street Trees
Botanical Name
JEFFERSONIA diphylla
QUERCUS douglasii
Common Name
-
Blue Oak
In Hindi
Twinleaf
Blue Oak Tree
In German
Twinleaf
Blaue Eiche
In French
Twinleaf
Bleu Oak Tree
In Spanish
Twinleaf
Azul del árbol de roble
In Greek
Twinleaf
Μπλε Oak Tree
In Portuguese
Twinleaf
Carvalho azul
In Polish
Twinleaf
Niebieski Oak Tree
In Latin
Twinleaf
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ranunculales
Fagales
Family
Berberidaceae
Fagaceae
Genus
Jeffersonia
Quercus
Clade
Angiosperms, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
220
1
27800
👆🏻