Life Span
Annual
Perennial
Origin
Southeastern Asia, India, China
North America
Habitat
Tropical regions
Floodplains, Hillside, stream banks, Swamps, Upland
USDA Hardiness Zone
10-15
3-9
Sunset Zone
H1, H2, 13, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Upright/Erect
Flower Color
Lavender
Green
Flower Color Modifier
Not Available
Bicolor
Leaf Color in Spring
Gray Green, Silver
Light Green
Leaf Color in Summer
Gray Green, Silver
Dark Green
Leaf Color in Fall
Gray Green
Light Yellow
Leaf Color in Winter
Gray Green
Not Available
Leaf Shape
Lobed
Oblique base
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Indeterminate
Early Spring
Tolerances
Drought, Salt
Cold climate, Drought, Pollution, Salt
Where to Plant?
Ground
Ground
How to Plant?
Stem Cutting
Rooted stem cutting, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Requirements
Average Water Needs, Do Not over Water
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, Alkaline
Acidic, Neutral
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove dead branches, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize every year, fertilize in growing season, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Red blotch
Bark beetles, Beetles, Borers, Mites, Moth, Red blotch, Scale
Plant Tolerance
Drought
Cold climate, Drought, Salt
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Foliage Texture
Bold
Medium
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Not Available
Allergy
Not Available
allergic reaction, Asthma
Aesthetic Uses
Showy Purposes
Landscape Designing
Beauty Benefits
Not Available
No Beauty Benefits
Environmental Uses
Air purification
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
Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache, Ulcers
Antispasmodic, Astringent
Part of Plant Used
Flowers, Leaves, Root
Bark, Stem, Tree trunks, Wood
Other Uses
Used for its medicinal properties
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, Feature Plant, Mixed Border, Rock Garden, Wall, Tropical
Feature Plant, Shade Trees, Street Trees
Botanical Name
CALOTROPIS gigantea
ULMUS americana
Common Name
Crown flower
American Elm
In Hindi
Crown flower
अमेरिकी एल्म
In German
Crown Blume
amerikanische Ulme
In French
fleur de la Couronne
orme d'Amérique
In Spanish
flor de la corona
olmo americano
In Greek
στέμμα λουλούδι
American Elm
In Portuguese
coroa da flor
olmo americano
In Polish
korona kwiatu
Amerykański wiązu
In Latin
flos florum
Latin ulmo
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Gentianales
Rosales
Family
Asclepiadaceae
Ulmaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Not Available
Not Available
Subfamily
Asclepiadoideae
Not Available
Number of Species
Not Available
Importance of Crown Flower and Elm
Want to have the most appropriate plant for your garden? You might want to know the importance of Crown Flower and Elm. Basically, these two plants vary in many aspects. Compare Crown Flower 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 Crown Flower is Abandonment, epilepsy, Fever, Gout, Leprosy, Skin irritation, Syphilis, Tooth ache and Ulcers whereas of Elm is Antispasmodic and Astringent. Crown Flower has beauty benefits as follows: Not Available while Elm has beauty benefits as follows: Not Available.
Compare Facts of Crown Flower 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 Crown Flower 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 Crown Flower are Not Available 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. Crown Flower has showy fruits and Elm has no showy fruits. Also Crown Flower is not flowering and Elm is not flowering . You can compare Crown Flower and Elm facts and facts of other plants too.