Just like their name, sunflowers adore full sun and warm weather. –from http://www.flower-gardening-made-easy.com/growing-sunflowers.html Sunflower plants grow well in average to rich soils. They need to grow their roots deep and wide, to enable them to withstand strong winds. If you have a choice, sandy soils are not recommended, as they are easily uprooted in loose soil. Rich [...]