Life Span
Annual
Perennial
Origin
Europe
North America
Habitat
agricultural areas, Moist Soils
Floodplains, Hillside, stream banks, Swamps, Upland
USDA Hardiness Zone
4-10
3-9
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, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Upright/Erect
Upright/Erect
Flower Color
Yellow
Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sienna, Black
Tan
Leaf Color in Spring
Green, Light Green
Light Green
Leaf Color in Summer
White, Green, Dark Green
Dark Green
Leaf Color in Fall
White, Green, Dark Green
Light Yellow
Leaf Color in Winter
White, Green, Dark Green
-
Leaf Shape
Oval
Oblique base
Plant Season
Spring, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Summer
Early Spring
Tolerances
Drought
Cold climate, Drought, Pollution, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Rooted stem cutting, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Requirements
Allow to dry out slightly between watering, Do not water the foliage, Keep the Soil well drained
Average Water Needs, Requires regular watering, Requires watering in the growing season, Water Deeply
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Average Water
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove dead or diseased plant parts
Remove dead branches, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
8-8-8, since leafy plants, use higher nitrogen content fertilizer
Fertilize every year, fertilize in growing season, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Aphids, Beetles, Cabbage looper, Downy mildew, Fusarium leaf spot, Rust
Bark beetles, Beetles, Borers, Mites, Moth, Red blotch, Scale
Plant Tolerance
Full Sun, Humidity, Shallow soil
Cold climate, Drought, Salt
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Attracts
Caterpillar, Mites
-
Allergy
Diarrhea, Dizziness, Nausea
allergic reaction, Asthma
Aesthetic Uses
-
Landscape Designing
Beauty Benefits
Anti-ageing, Hair Conditioner, Skin cleanser
-
Environmental Uses
Fixes Nitrogen, Food for animals
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Food for birds, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shelter for wildlife, Wildlife
Medicinal Uses
Aging, Anti-oxidant, Digestion problems, Eliminate toxins, Nutritive, Obesity, Rich in Potassium
Antispasmodic, Astringent
Part of Plant Used
Leaf Stalks, Leaves
Bark, Stem, Tree trunks, Wood
Other Uses
Culinary use, Sauces, Used to promote healthy blood flow during menstruation
Used as firewood, Used for woodware, Used in biomass, Used in construction, Used in Furniture, Used in paper industry, Used in pulpwood and lumber production, Wood is used for making furniture, Wood is used for ship building, Wood is used fore making tools, Wood is used in construction, Wood log is used in making fences
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Edible, Herb / Vegetable, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
BRASSICA rapa( Chinensis Group)
ULMUS americana
Common Name
Bok Choy, Chinese Cabbage, Choy Sum, Pak Choi
American Elm
In Hindi
choy sum
अमेरिकी एल्म
In German
choy sum
amerikanische Ulme
In French
choy sum
orme d'Amérique
In Spanish
choy sum
olmo americano
In Greek
choy sum
American Elm
In Portuguese
choy sum
olmo americano
In Polish
choy sum
Amerykański wiązu
In Latin
choy sum
Latin ulmo
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Brassicaceae
Ulmaceae
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Importance of Choy Sum and Elm
Want to have the most appropriate plant for your garden? You might want to know the importance of Choy Sum and Elm. Basically, these two plants vary in many aspects. Compare Choy Sum and Elm as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Choy Sum is Aging, Anti-oxidant, Digestion problems, Eliminate toxins, Nutritive, Obesity and Rich in Potassium whereas of Elm is Antispasmodic and Astringent. Choy Sum has beauty benefits as follows: Anti-ageing, Hair Conditioner and Skin cleanser while Elm has beauty benefits as follows: Anti-ageing, Hair Conditioner and Skin cleanser.
Compare Facts of Choy Sum vs Elm
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Choy Sum vs Elm and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Choy Sum are Diarrhea, Dizziness and Nausea whereas of Elm have allergic reaction and Asthma respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Choy Sum has no showy fruits and Elm has no showy fruits. Also Choy Sum is not flowering and Elm is not flowering . You can compare Choy Sum and Elm facts and facts of other plants too.