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Sunflowers(Helianthus annuus) are annuals, meaning they must be planted each year.
To ensure a continuous supply of blooms all season long, consider succession planting sunflowers.
double-check toharden off seedlingsbefore planting them in the garden.
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When Should Sunflowers Be Planted?
Plant sunflowers around two to three weeks after the last expected frost date for your growing zone.
Wait until the soil temperature is between 50 to 60 degrees Fahrenheit to direct sow sunflowers.
How to Plant Sunflower Seeds
With their large seeds, sunflowers are easy to direct sow.
Soak seeds for 12 to 14 hours before adding them to soil can jumpstart their growth.
Another consideration is color.
There are newer branching varieties thatoffer continuous bloomsthroughout the season.
Here are some of the top sunflower varieties to plant in your garden.
The best month to plant sunflowers depends on your climate and growing zone.
In the southern U.S., sow sunflowers in March or April.
Some sunflowers are annuals and must bereplanted each year.
However, these types can reseed themselves easily, so you may not need to replant annual sunflower varieties.
Perennial sunflower species will grow back each year once they are established.
How late you could plant sunflowers depends on your region’s hardiness zone.
In the warmest regions, sunflowers can be planted as late as August.
Growing Sunflowers in the Home Garden.University of Georgia Extension.
