Life Span
Perennial
Annual
Type
Shrub
Flowering Plants
Origin
Madagascar
North America
Types
Not Available
Helianthus annuus, Heliantheae,
Number of Varieties
Not Available
Habitat
Forests, Rocky areas
Dry areas, Open areas, Prairies
USDA Hardiness Zone
10-15
3-10
Sunset Zone
H1, H2, 13, 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
Oval or Rounded
Upright/Erect
Flower Color
Red
Brown, Yellow
Flower Color Modifier
Not Available
Bicolor
Fruit Color
Non Fruiting Plant
Black, Chocolate, Ivory
Leaf Color in Spring
Green
Dark Green, Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
Not Available
Plant Season
Spring, Summer, Fall, Winter
Summer
Sunlight
Full Sun
Bright direct sunlight
Growth Rate
Fast
Very Fast
Type of Soil
Loam, Sand
Dry, Light, Well drained
The pH of Soil
Acidic, Neutral
Acidic, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring, Early Summer, Summer, Late Summer
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
Tolerances
Not Available
Not Available
Where to Plant?
Ground, Pot
Container, Ground, Pot
How to Plant?
stem tip cuttings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Alkaline
Soil Type
Loam, Sand
Dry, Light, Well drained
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Bright direct sunlight
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune ocassionally, Requires little pruning
Fertilizers
Full-strength liquid fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
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
Plant Tolerance
Drought
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Matte
Matte
Attracts
Ants, Bees, Not Available
Birds, Butterflies
Allergy
Eye irritation, Skin irritation, Vomiting
Runny nose, Red eyes, Watery eyes, Sore eyes, Itchy eyes
Aesthetic Uses
Borders
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Antibacterial, Cancer, Schistosomiasis, Sedative
Pulmonary afflictions
Part of Plant Used
Flowers, Latex
Flowers, Seeds, Stem
Other Uses
Used as Ornamental plant
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 Indoor Plant
Yes
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Container, Edging, Foundation, Houseplant, Mixed Border, Tropical
Bedding Plant, Bonsai, Container, Edging, Edible, Feature Plant, Houseplant, Vegetable
Botanical Name
EUPHORBIA milii
Helianths Annuus
Common Name
Crown of thorns, Christ plant, Christ thorn
Sunflower
In Hindi
Crown-of-Thorns
Sūrajamukhī
In German
Dornenkrone
Sonnenblume
In French
Couronne d'épines
Tournesol
In Spanish
Corona de espinas
Girasol
In Greek
Crown - of- Αγκάθια
ηλιοτρόπιο
In Portuguese
Crown -de- espinhos
Girassol
In Polish
Korona cierniowa
słonecznik
In Latin
Coronam de spinis
Helianthus
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Euphorbiales
Asterales
Family
Euphorbiaceae
Asteraceae
Genus
Euphorbia
Heilanthus
Clade
Angiosperms, Eudicots, Rosids
Not Available
Tribe
Euphorbieae
Heliantheae
Subfamily
Euphorbioideae
Helianthodeae
Number of Species
Not Available
Season and Care of Crown-of-Thorns and Sunflower
Season and care of Crown-of-Thorns and Sunflower is important to know. While considering everything about Crown-of-Thorns and Sunflower Care, growing season is an essential factor. Crown-of-Thorns season is Spring, Summer, Fall and Winter and Sunflower season is Spring, Summer, Fall and Winter. The type of soil for Crown-of-Thorns is Loam, Sand and for Sunflower is Dry, Light, Well drained while the PH of soil for Crown-of-Thorns is Acidic, Neutral and for Sunflower is Acidic, Alkaline.
Crown-of-Thorns and Sunflower Physical Information
Crown-of-Thorns and Sunflower physical information is very important for comparison. Crown-of-Thorns height is 300.00 cm and width 45.70 cm whereas Sunflower height is 8.50 cm and width 2.46 cm. The color specification of Crown-of-Thorns and Sunflower are as follows:
Crown-of-Thorns flower color: Red
Crown-of-Thorns leaf color: Green
Sunflower flower color: Brown and Yellow
- Sunflower leaf color: Dark Green and Green
Care of Crown-of-Thorns and Sunflower
Care of Crown-of-Thorns and Sunflower include pruning, fertilizers, watering etc. Crown-of-Thorns pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Sunflower pruning is done Prune ocassionally and Requires little pruning. In summer Crown-of-Thorns needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Sunflower needs Lots of watering and in winter, it needs Average Water.