Life Span
Perennial
Annual or Biennial
Type
Tree
Vegetable
Origin
United States, California
Western Europe
Types
-
-
Number of Varieties
83
0
40000
👆🏻
Habitat
Woodland Garden Canopy
agricultural areas, gardens, Wet ground
USDA Hardiness Zone
6-91-6
0
99
👆🏻
AHS Heat Zone
9-1
9-1
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
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Light Green
Leaf Color in Summer
Green, Blue Green
Green, Purple
Leaf Color in Fall
Yellow, Orange, Pink
Green, Purple
Leaf Color in Winter
-
Green, Purple
Shape
Leaf Shape
Irregular
Oval
Thorns
✔
✘
✔
✘
Plant Season
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
-
Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
-
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
Keep ground moist, Use Mulches to help prevent water loss during hot and windy weather
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
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
No pruning needed in the early stages, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
organic fertlizers, Potassium
Pests and Diseases
Red blotch
Alternaria Leaf Spot, Aphids, Cabbage looper, Downy mildew, Leaf spot, Mites, Red blotch
Plant Tolerance
Drought
Frost, Shallow soil
Flowers
Insignificant
-
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
Bold
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Aphids, Beetles, Flying insects
Allergy
Pollen
Digestive Problems, sneezing, Swelling in the face
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
For treating wrinkles, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Food for animals, No fertilizer, pesticides, or herbicides needed
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Anemia, Diabetes, Digestion problems, Increase fiber amount, Kidney Stones, Minerals, Weight loss
Part of Plant Used
Leaves, Seeds, Wood
Leaves, Stem
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Can be made into a herbal tea, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Edible, Herb / Vegetable
Botanical Name
QUERCUS douglasii
BRASSICA oleracea 'Dyna'( Gongylodes Group)
Common Name
Blue Oak
Kohlrabi
In Hindi
Blue Oak Tree
नवलकोल
In German
Blaue Eiche
Kohlrabi
In French
Bleu Oak Tree
Chou-rave
In Spanish
Azul del árbol de roble
Brassica oleracea gongyloides
In Greek
Μπλε Oak Tree
Kohlrabi
In Portuguese
Carvalho azul
Kohlrabi
In Polish
Niebieski Oak Tree
Kalarepa
In Latin
Blue quercum ligno
Kohlrabi
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Capparales
Family
Fagaceae
Brassicaceae
Genus
Quercus
Brassica
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
-
-
Number of Species
201
1
27800
👆🏻