Life Span
Annual
Perennial
Type
Vegetable
Tree
Origin
Europe
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
-
-
Number of Varieties
53
0
40000
👆🏻
Habitat
agricultural areas, Moist Soils
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
4-104-9
0
99
👆🏻
AHS Heat Zone
9-3
9-1
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
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
Oval or Rounded
Plant Size
Minimum Height
15.20 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
15.70 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sienna, Black
Black
Leaf Color in Spring
Green, Light Green
Green, Light Green
Leaf Color in Summer
White, Green, Dark Green
Green, Light Green
Leaf Color in Fall
White, Green, Dark Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
White, Green, Dark Green
-
Shape
Leaf Shape
Oval
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Do not water the foliage, Keep the Soil well drained
Requires a lot of watering, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove dead or diseased plant parts
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
8-8-8, since leafy plants, use higher nitrogen content fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Aphids, Beetles, Cabbage looper, Downy mildew, Fusarium leaf spot, Rust
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Full Sun, Humidity, Shallow soil
Pollution, Soil Compaction, Wet Site
Flowers
Showy
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
Medium
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Caterpillar, Mites
-
Allergy
Diarrhea, Dizziness, Nausea
Asthma
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
Anti-ageing, Hair Conditioner, Skin cleanser
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Fixes Nitrogen, Food for animals
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Aging, Anti-oxidant, Digestion problems, Eliminate toxins, Nutritive, Obesity, Rich in Potassium
-
Part of Plant Used
Leaf Stalks, Leaves
Whole plant
Other Uses
Culinary use, Sauces, Used to promote healthy blood flow during menstruation
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edible, Herb / Vegetable, Wildflower
Feature Plant, Shade Trees
Botanical Name
BRASSICA rapa( Chinensis Group)
BETULA nigra
Common Name
Bok Choy, Chinese Cabbage, Choy Sum, Pak Choi
River Birch
In Hindi
choy sum
River Birch
In German
choy sum
Fluss Birch
In French
choy sum
Birch river
In Spanish
choy sum
river Birch
In Greek
choy sum
ποταμός Birch
In Portuguese
choy sum
river Birch
In Polish
choy sum
Rzeka Birch
In Latin
choy sum
Betula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Capparales
Fagales
Family
Brassicaceae
Betulaceae
Genus
Brassica
Betula
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
183
1
27800
👆🏻