Life Span
Perennial
Annual and Perennial
Type
Tree
Tree
Origin
United States, California
South America, Brazil
Types
-
Rosea, Chrysotricha, Impetiginosa, Avellanedae
Number of Varieties
825
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Dry areas, Forest edges
USDA Hardiness Zone
6-99-12
0
99
👆🏻
AHS Heat Zone
9-1
12-8
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, 13, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
1,520.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm1,070.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow, Lemon yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown
Leaf Color in Spring
Green, Blue Green
Green, Light Green
Leaf Color in Summer
Green, Blue Green
Green, Gray Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Slow
Type of Soil
-
Clay, Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Seperation, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep the ground moist but not water-logged, Requires watering in the growing season, Water more in summer, Water occasionally
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
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Cut leaves after fall, Pinch or prune as they grow to promote branching and bushiness, Prune before Winter, Prune when plant is dormant, Remove dead leaves, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Pests and diseases free, Red blotch
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
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
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
Leaves, Wood
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Wood is used for making furniture, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Feature Plant, Shade Trees, Street Trees, Tropical
Botanical Name
QUERCUS douglasii
HANDROANTHUS billbergii
Common Name
Blue Oak
Guayacán, Tabebuia
In Hindi
Blue Oak Tree
Tabebuia
In German
Blaue Eiche
Tabebuia
In French
Bleu Oak Tree
Tabebuia
In Spanish
Azul del árbol de roble
Tabebuia
In Greek
Μπλε Oak Tree
Tabebuia
In Portuguese
Carvalho azul
Tabebuia
In Polish
Niebieski Oak Tree
Tabebuia
In Latin
Blue quercum ligno
Tabebuia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
-
Order
Fagales
Lamiales
Family
Fagaceae
Bignoniaceae
Genus
Quercus
Tabebuia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
2067
1
27800
👆🏻