Life Span
Biennial
Annual or Biennial
Type
Tree
Vegetable
Origin
Central United States, Canada
Europe
Types
Two-petal ash, Single-leaf ash, Fragrant ash
Brassica rapa subsp. pekinensis
Brassica rapa subsp. chinensis
Brassica rapa var. rapifera
Brassica rapa subsp. nipposinica
Brassica rapa subsp. perviridis
Number of Varieties
655
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
-
USDA Hardiness Zone
4-86-9
0
99
👆🏻
AHS Heat Zone
8-4
9-3
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
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
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
2,500.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
100.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
-
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
-
Leaf Color in Fall
Yellow, Light Yellow
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Obovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do Not over Water, Water in morning to avoid prompting diseases
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
-
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
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Aphids, Flea beetles, white worms
Allergy
-
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
-
Antirheumatic, Resolvent
Part of Plant Used
Inner Bark, Seeds
Leaves, Stem
Other Uses
Used as a dye, Used for woodware, Wood is used in construction
For making oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Container, Edible, Herb / Vegetable
Botanical Name
FRAXINUS quadrangulata
BRASSICA rapa
Common Name
Blue Ash
Bok Choy, Broccoli Raab, Chinese Cabbage, Choy Sum, Field Mustard, Pak Choi, Tatsoi, Turnip
In Hindi
Blue Ash plant
Bok Choy
In German
Blue Ash Pflanze
Bok Choy
In French
usine Blue Ash
Bok Choy
In Spanish
planta de Blue Ash
Bok Choy
In Greek
φυτό Blue Ash
Bok Choy
In Portuguese
planta Blue Ash
Bok Choy
In Polish
Blue Ash roślin
Bok Choy
In Latin
Blue Ash herba
Bok Choy
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Brassicales
Family
Oleaceae
Brassicaceae
Genus
Fraxinus
Brassica
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
651
1
27800
👆🏻