Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
-
Types
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
-
Number of Varieties
2050
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Cold Regions, Temperate Regions
USDA Hardiness Zone
4-84-8
0
99
👆🏻
AHS Heat Zone
8-1
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
2,438.40 cm20.30 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm27.90 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Yellow green
Blue, Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Brown, Sandy Brown, Chocolate
-
Leaf Color in Spring
Green, Copper
Green, Purple
Leaf Color in Summer
Dark Green
Green, Purple
Leaf Color in Fall
Orange, Brown, Dark Red
Green, Purple
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lobed
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Spring
Early Spring, Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
Average Water Needs, Keep ground moist, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Partial Sun, Partial shade
Pruning
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought, Wet Site
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
-
Uses
Aesthetic Uses
-
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Black Dyes
Part of Plant Used
Inner Bark, Leaves, Seeds
-
Other Uses
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS velutina
Polemonium caeruleum
Common Name
Black Oak
Jacob's Ladder
In Hindi
Black Oak Tree
Jacob's Ladder
In German
Schwarz Oak Tree
Jacob's Ladder
In French
Noir Oak Tree
Jacob's Ladder
In Spanish
Negro del árbol de roble
Jacob's Ladder
In Greek
Black Oak Tree
Jacob's Ladder
In Portuguese
Carvalho Preto
Jacob's Ladder
In Polish
Czarny Dąb
Jacob's Ladder
In Latin
Niger quercum ligno
Jacob's Ladder
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ericales
Family
Fagaceae
Polemoniaceae
Genus
Quercus
Polemonium
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Cherokee
-
Subfamily
-
-
Number of Species
60040
1
27800
👆🏻