Life Span
Perennial
Annual or Biennial
Type
Tree
Vegetable
Origin
United States, California
Europe
Types
-
Blues F1, Chinese Express, Monument
Number of Varieties
85
0
40000
👆🏻
Habitat
Woodland Garden Canopy
agricultural areas
USDA Hardiness Zone
6-9-9999
0
99
👆🏻
AHS Heat Zone
9-1
6-1
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
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm20.30 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm12.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Light Green
Leaf Color in Summer
Green, Blue Green
-
Leaf Color in Fall
Yellow, Orange, Pink
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Cushion
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
-
Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Spring, Summer, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Prefer drip-irrigation instead of Over-head watering
In Summer
Lots of watering
Ample Water
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
-
Fertilizers
All-Purpose Liquid Fertilizer
20-20-20 amount, Compost
Pests and Diseases
Red blotch
Aphids, Beetles, Black rot, Blackleg, Cabbage looper, Cabbageworm, Clubroot, Flea Beetles, Nematodes, Purple Blotch, Slugs, Snails
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
Coarse
Foliage Sheen
-
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bugs
Allergy
Pollen
-
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
For treating wrinkles, Good for skin, Remove blemishes, Treatment of Dark Spots
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
soil stabilisation
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Folate, Low calories, Vitamin A, Vitamin C, Vitamin K
Part of Plant Used
Leaves, Seeds, Wood
Whole plant
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Food, Used for its medicinal properties
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 'Little Jade'
Common Name
Blue Oak
Little Jade Napa Cabbage, Napa Cabbage
In Hindi
Blue Oak Tree
नापा पत्तागोभी
In German
Blaue Eiche
Chinakohl
In French
Bleu Oak Tree
Napa chou
In Spanish
Azul del árbol de roble
Lechuga de Napa
In Greek
Μπλε Oak Tree
Νάπα Λάχανο
In Portuguese
Carvalho azul
Repolho Napa
In Polish
Niebieski Oak Tree
Kapusta Napa
In Latin
Blue quercum ligno
Napa Brassica
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
👆🏻