Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
United States, California
Southeastern United States, Mexico, Caribbean, Central America
Types
-
Guaiacum officinale
Number of Varieties
83
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Coastal Regions, Dry and Young forest Heaths, Thickets, Woodlands
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
9-1
12-10
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
1,520.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Purple, Violet, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow, Red
Leaf Color in Spring
Green, Blue Green
Green, Olive
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Olive
Leaf Color in Winter
-
Olive
Shape
Leaf Shape
Irregular
Egg-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Very Slow
Type of Soil
-
Loam, Sand
The pH of Soil
-
Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Early Spring, Spring, Late Winter, Indeterminate
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
In Summer
Lots of watering
Consistently
In Spring
Moderate
Average Water
In Winter
Average Water
Moderate
Soil
Soil pH
-
Neutral, Alkaline
Soil Type
-
Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Prune to stimulate growth
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize three times a year
Pests and Diseases
Red blotch
fungus, Mealybugs, Scale, Spider mites
Plant Tolerance
Drought
Drought, Salt
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
Fine
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies
Allergy
Pollen
Skin irritation
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
Bark, Sap
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden / Wall, Tropical
Botanical Name
QUERCUS douglasii
GUAIACUM sanctum
Common Name
Blue Oak
Holy-wood, Lignum Vitae
In Hindi
Blue Oak Tree
Lignum Vitae
In German
Blaue Eiche
Lignum Vitae
In French
Bleu Oak Tree
Lignum Vitae
In Spanish
Azul del árbol de roble
Palo santo
In Greek
Μπλε Oak Tree
Lignum Vitae
In Portuguese
Carvalho azul
pau-santo
In Polish
Niebieski Oak Tree
Lignum Vitae
In Latin
Blue quercum ligno
lignum Vitae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Sapindales
Family
Fagaceae
Zygophyllaceae
Genus
Quercus
Guaiacum
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
203
1
27800
👆🏻