Life Span
Perennial
Annual or Biennial
Type
Tree
Vegetable
Origin
North America, Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States, South-Central United States, Canada
Europe
Types
-
Brassica rapa subsp. pekinensis
Brassica rapa subsp. chinensis
Brassica rapa var. rapifera
Brassica rapa subsp. nipposinica
Brassica rapa subsp. perviridis
Number of Varieties
205
0
40000
👆🏻
Habitat
Woodland Garden Canopy
-
USDA Hardiness Zone
3-116-9
0
99
👆🏻
AHS Heat Zone
10-1
9-3
Sunset Zone
7, 8, 9, 10, 11, 12, 13, 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
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
8.50 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Tan, Sandy Brown
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Sandy Brown
-
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green, Dark Green
-
Leaf Color in Fall
Yellow, Green
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
oblong or obovate
Obovate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
Spring, Late Spring, Early Summer, Summer, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
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
Neutral, Alkaline
Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Any balanced general purpose fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Blackspot mold
Red blotch
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
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Beetles, Birds
Aphids, Flea beetles, white worms
Allergy
Miscarriage, Rash
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
Beautiful Skin, Heals Damaged Hair, Strong, beautiful hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Demulcent, Diuretic, Expectorant, Nutritive
Antirheumatic, Resolvent
Part of Plant Used
Fruits, Inner Bark, Leaves
Leaves, Stem
Other Uses
Chewed as a thirst quencher, Tea-like beverage can be brewed, Used as a thickener in soups, Used to make a twine
For making oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees
Container, Edible, Herb / Vegetable
Botanical Name
ULMUS rubra
BRASSICA rapa
Common Name
Slippery Elm
Bok Choy, Broccoli Raab, Chinese Cabbage, Choy Sum, Field Mustard, Pak Choi, Tatsoi, Turnip
In Hindi
Slippery Elm
Bok Choy
In German
Rotulme
Bok Choy
In French
Slippery Elm
Bok Choy
In Spanish
olmo resbaladizo
Bok Choy
In Greek
Slippery Elm
Bok Choy
In Portuguese
Slippery Elm
Bok Choy
In Polish
Slippery Elm
Bok Choy
In Latin
Lubricus Elm
Bok Choy
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Brassicales
Family
Ulmaceae
Brassicaceae
Genus
Ulmus
Brassica
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
201
1
27800
👆🏻