Life Span
Annual
  
Perennial
  
Type
Flowering Plants
  
Perennial
  
Origin
North America
  
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
  
Types
Helianthus annuus, Heliantheae,
  
Not Available
  
Number of Varieties
Not Available
  
Habitat
Dry areas, Open areas, Prairies
  
gardens, Hardwood forests
  
USDA Hardiness Zone
3-10
  
5-7
  
AHS Heat Zone
12-1
  
7-5
  
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
  
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
  
Habit
Upright/Erect
  
Clump-Forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Brown, Yellow
  
White
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Black, Chocolate, Ivory
  
Light Green
  
Leaf Color in Spring
Dark Green, Green
  
Green, Blue Green
  
Leaf Color in Summer
Green
  
Green, Gray Green
  
Leaf Color in Fall
Green
  
Green, Gray Green
  
Leaf Color in Winter
Not Available
  
Light Green
  
Shape
  
  
Leaf Shape
Oval
  
Butterfly shaped
  
Thorns
No
  
No
  
Plant Season
Summer
  
Spring, Summer, Fall
  
Growing Conditions
  
  
Sunlight
Bright direct sunlight
  
Partial shade, Full Shade
  
Growth Rate
Very Fast
  
Slow
  
Type of Soil
Dry, Light, Well drained
  
Clay, Loam
  
The pH of Soil
Acidic, Alkaline
  
Neutral, Alkaline
  
Soil Drainage
Well drained
  
Average
  
Bloom Time
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
  
Late Spring, Early Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Not Available
  
Drought
  
Where to Plant?
Container, Ground, Pot
  
Ground, Pot
  
How to Plant?
Seedlings
  
Divison, Seedlings, Stem Planting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
  
Medium
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Alkaline
  
Neutral, Alkaline
  
Soil Type
Dry, Light, Well drained
  
Clay, Loam
  
Soil Drainage Capacity
Well drained
  
Average
  
Sun Exposure
Bright direct sunlight
  
Partial shade, Full Shade
  
Pruning
Prune ocassionally, Requires little pruning
  
Remove deadheads, Requires very little pruning
  
Fertilizers
All-Purpose Liquid Fertilizer
  
No fertilizers needed
  
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
  
Pests and diseases free, Red blotch
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Yes
  
Yes
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
Yes
  
Edible Fruit
Yes
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Coarse
  
Coarse
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Birds, Butterflies
  
Bees, Butterflies
  
Allergy
Runny nose, Red eyes, Watery eyes, Sore eyes, Itchy eyes
  
no allergic reactions
  
Uses
  
  
Aesthetic Uses
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
  
Showy Purposes
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Yes
  
No
  
Environmental Uses
Air purification
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Pulmonary afflictions
  
Cancer, Diuretic
  
Part of Plant Used
Flowers, Seeds, Stem
  
Flowers, Root
  
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
  
Not Available
  
Used As Indoor Plant
Yes
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bedding Plant, Bonsai, Container, Edging, Edible, Feature Plant, Houseplant, Vegetable
  
Feature Plant, Groundcover
  
Botanical Name
Helianths Annuus
  
JEFFERSONIA diphylla
  
Common Name
Sunflower
  
Not Available
  
In Hindi
Sūrajamukhī
  
Twinleaf
  
In German
Sonnenblume
  
Twinleaf
  
In French
Tournesol
  
Twinleaf
  
In Spanish
Girasol
  
Twinleaf
  
In Greek
ηλιοτρόπιο
  
Twinleaf
  
In Portuguese
Girassol
  
Twinleaf
  
In Polish
słonecznik
  
Twinleaf
  
In Latin
Helianthus
  
Twinleaf
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Tracheophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Asterales
  
Ranunculales
  
Family
Asteraceae
  
Berberidaceae
  
Genus
Heilanthus
  
Jeffersonia
  
Clade
Not Available
  
Angiosperms, Eudicots
  
Tribe
Heliantheae
  
Not Available
  
Subfamily
Helianthodeae
  
Not Available
  
Number of Species
Not Available
  
Season and Care of Sunflower and Twinleaf
Season and care of Sunflower and Twinleaf is important to know. While considering everything about Sunflower and Twinleaf Care, growing season is an essential factor. Sunflower season is Summer and Twinleaf season is Summer. The type of soil for Sunflower is Dry, Light, Well drained and for Twinleaf is Clay, Loam while the PH of soil for Sunflower is Acidic, Alkaline and for Twinleaf is Neutral, Alkaline.
Sunflower and Twinleaf Physical Information
Sunflower and Twinleaf physical information is very important for comparison. Sunflower height is 8.50 cm and width 2.46 cm whereas Twinleaf height is 15.20 cm and width 12.70 cm. The color specification of Sunflower and Twinleaf are as follows:
Sunflower flower color: Brown and Yellow
Sunflower leaf color: Dark Green and Green
Twinleaf flower color: White
- Twinleaf leaf color: Green and Blue Green
Care of Sunflower and Twinleaf
Care of Sunflower and Twinleaf include pruning, fertilizers, watering etc. Sunflower pruning is done Prune ocassionally and Requires little pruning and Twinleaf pruning is done Remove deadheads and Requires very little pruning. In summer Sunflower needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Twinleaf needs Lots of watering and in winter, it needs Average Water.