Sunflower
Helianthus spp.
Full Sun
Moderate watering
Frost Hardy
H4
RHS hardiness
-10°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
Max | ||
Min |
Flowering
-
spring
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summer
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autumn
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winter
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Sunflower Overview
Helianthus is a genus of around 70 species of sturdy annual or perennial plants from the Asteraceae family. They are commonly known by the name Sunflower, these plants originate from North and South America, producing with simple leaves and daisy-like composite flower heads. The genus includes varieties grown as food crops for humans and domesticated animals and birds and popular garden annuals, such as H. annuus, the common sunflower, grown for its large, showy heads of florets that resemble the sun’s face, atop tall, sturdy stems.
Common problems with Sunflower
How to propagate Sunflower
Division
Seed or division in autumn or spring.
Seed
Other uses of Sunflower
Grown for their large, daisy-like usually yellow flower heads.
Flowers - Sow Under Cover in April.
Sow these seeds and pot up these tubers to get an early start on the year.
Planting For Butterflies - Host/Food Plants
Include these plants in your garden for butterflies to hatch out caterpillars on.
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