Life Span
Annual
Perennial
Type
Flowering Plants
Shrub
Origin
North America
Madagascar
Types
Helianthus annuus, Heliantheae,
Not Available
Number of Varieties
Not Available
Habitat
Dry areas, Open areas, Prairies
Forests, Rocky areas
USDA Hardiness Zone
3-10
10-15
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
H1, H2, 13, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
Brown, Yellow
Red
Flower Color Modifier
Bicolor
Not Available
Fruit Color
Black, Chocolate, Ivory
Non Fruiting Plant
Leaf Color in Spring
Dark Green, Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Not Available
Green
Plant Season
Summer
Spring, Summer, Fall, Winter
Sunlight
Bright direct sunlight
Full Sun
Growth Rate
Very Fast
Fast
Type of Soil
Dry, Light, Well drained
Loam, Sand
The pH of Soil
Acidic, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
Spring, Late Spring, Early Summer, Summer, Late Summer
Tolerances
Not Available
Not Available
Where to Plant?
Container, Ground, Pot
Ground, Pot
How to Plant?
Seedlings
stem tip cuttings
Plant Maintenance
Medium
Medium
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Alkaline
Acidic, Neutral
Soil Type
Dry, Light, Well drained
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Bright direct sunlight
Full Sun
Pruning
Prune ocassionally, Requires little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Full-strength liquid fertilizer
Pests and Diseases
Alternaria leaf blight, Apical chlorosis, Bacteria wilt, Bacterial leaf spot, Botrytis head rot, Charcoal rot, Crown gall, Downy mildew, Erwinia stalk rot, Fusarium stalk rot, Fusarium wilt, head rot, Phialophora yellows, Stem spot
Red blotch
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Attracts
Birds, Butterflies
Ants, Bees, Not Available
Allergy
Runny nose, Red eyes, Watery eyes, Sore eyes, Itchy eyes
Eye irritation, Skin irritation, Vomiting
Aesthetic Uses
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Borders
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Pulmonary afflictions
Antibacterial, Cancer, Schistosomiasis, Sedative
Part of Plant Used
Flowers, Seeds, Stem
Flowers, Latex
Other Uses
As Fertilizers, Economic Purpose, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used As Food, Used as Ornamental plant, Used for producing cooking oil
Used as Ornamental plant
Used As Indoor Plant
Yes
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Bonsai, Container, Edging, Edible, Feature Plant, Houseplant, Vegetable
Bedding Plant, Container, Edging, Foundation, Houseplant, Mixed Border, Tropical
Botanical Name
Helianths Annuus
EUPHORBIA milii
Common Name
Sunflower
Crown of thorns, Christ plant, Christ thorn
In Hindi
Sūrajamukhī
Crown-of-Thorns
In German
Sonnenblume
Dornenkrone
In French
Tournesol
Couronne d'épines
In Spanish
Girasol
Corona de espinas
In Greek
ηλιοτρόπιο
Crown - of- Αγκάθια
In Portuguese
Girassol
Crown -de- espinhos
In Polish
słonecznik
Korona cierniowa
In Latin
Helianthus
Coronam de spinis
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Euphorbiales
Family
Asteraceae
Euphorbiaceae
Genus
Heilanthus
Euphorbia
Clade
Not Available
Angiosperms, Eudicots, Rosids
Tribe
Heliantheae
Euphorbieae
Subfamily
Helianthodeae
Euphorbioideae
Number of Species
Not Available
Importance of Sunflower and Crown-of-Thorns
Want to have the most appropriate plant for your garden? You might want to know the importance of Sunflower and Crown-of-Thorns. Basically, these two plants vary in many aspects. Compare Sunflower and Crown-of-Thorns 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 Sunflower is Pulmonary afflictions whereas of Crown-of-Thorns is Antibacterial, Cancer, Schistosomiasis and Sedative. Sunflower has beauty benefits as follows: Not Available while Crown-of-Thorns has beauty benefits as follows: Not Available.
Compare Facts of Sunflower vs Crown-of-Thorns
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 Sunflower vs Crown-of-Thorns 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 Sunflower are Runny nose, Red eyes, Watery eyes, Sore eyes and Itchy eyes whereas of Crown-of-Thorns have Eye irritation, Skin irritation and Vomiting respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Sunflower has no showy fruits and Crown-of-Thorns has no showy fruits. Also Sunflower is flowering and Crown-of-Thorns is not flowering . You can compare Sunflower and Crown-of-Thorns facts and facts of other plants too.