Life Span
Perennial
Annual or Biennial
Type
Tree
Vegetable
Origin
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Europe
Types
Blue 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
455
0
40000
👆🏻
Habitat
Moist Soils
-
USDA Hardiness Zone
3-76-9
0
99
👆🏻
AHS Heat Zone
7-1
9-3
Sunset Zone
-
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
1,220.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
610.00 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, Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
-
Leaf Color in Fall
Yellow, Yellow green, Brown, Bronze
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Obovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
Spring, Late Spring, Early Summer, Summer, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
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
Acidic, Neutral
Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
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
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
Coarse
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Aphids, Flea beetles, white worms
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Antirheumatic, Resolvent
Part of Plant Used
Inner Bark, Leaves, Tree trunks
Leaves, Stem
Other Uses
Basketary, Used as a dye, Used as fuel, Used for woodware
For making oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Water Gardens
Container, Edible, Herb / Vegetable
Botanical Name
FRAXINUS nigra
BRASSICA rapa
Common Name
Black Ash, Brown Ash, Swamp Ash
Bok Choy, Broccoli Raab, Chinese Cabbage, Choy Sum, Field Mustard, Pak Choi, Tatsoi, Turnip
In Hindi
Black Ash plant
Bok Choy
In German
Black Ash Pflanze
Bok Choy
In French
plante Black Ash
Bok Choy
In Spanish
planta de negro de Ceniza
Bok Choy
In Greek
φυτό μαύρη τέφρα
Bok Choy
In Portuguese
planta Black Ash
Bok Choy
In Polish
Black Ash roślin
Bok Choy
In Latin
Black 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
181
1
27800
👆🏻