Life Span
Perennial
Annual or Biennial
Type
Tree
Vegetable
Origin
United States, California
Europe
Types
-
Amber globe, Baby bunch turnips, Purple top
Number of Varieties
830
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Fields, Vegetable Gardens
USDA Hardiness Zone
6-96-11
0
99
👆🏻
AHS Heat Zone
9-1
9-3
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Rosette/Stemless
Plant Size
Minimum Height
1,520.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm20.30 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Sienna, Black
Leaf Color in Spring
Green, Blue Green
Dark Green
Leaf Color in Summer
Green, Blue Green
White, Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Pink
White, Green, Dark Green
Leaf Color in Winter
-
White, Green, Dark Green
Shape
Leaf Shape
Irregular
Long Broad
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
Fast
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
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
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Alternaria Leaf Spot, Anthracnose, Cercospora leaf spot, Downy mildew
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
-
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Beet armyworms, Caterpillar, white worms
Allergy
Pollen
angioedema, Oral Allergy, Urticaria
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
Good for skin and hair
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
Bone strength, Cancer, Cardiovascular problems, Lung Problems
Part of Plant Used
Leaves, Seeds, Wood
Leaves, Shoots
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Food for animals, Used as a vegetable, Used in salads
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Edible, Herb / Vegetable
Botanical Name
QUERCUS douglasii
BRASSICA rapa 'Hakurei'
Common Name
Blue Oak
Turnip
In Hindi
Blue Oak Tree
शलजम
In German
Blaue Eiche
Rübe
In French
Bleu Oak Tree
Navet
In Spanish
Azul del árbol de roble
Nabo
In Greek
Μπλε Oak Tree
Γογγύλι
In Portuguese
Carvalho azul
Nabo
In Polish
Niebieski Oak Tree
Rzepa
In Latin
Blue quercum ligno
rapa
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Brassicales
Family
Fagaceae
Brassicaceae
Genus
Quercus
Brassica
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
Brassiceae
Subfamily
-
-
Number of Species
20-
1
27800
👆🏻