Sunflowers prefer bright, sunny locations and thrive in full Sun. They require well-draining soils with a neutral pH balance and should be watered when the surface of the soil dries out. To maximize their growth potential, fertilize them once a month with a balanced fertilizer and water them occasionally in dry weather.
Sunflowers are adaptable to most climates, but they bloom best in hot summer environments with little rain during their active flowering phase. It’s important to keep them away from cold winds, which can cause stunted plant growth or even kill flowers before they develop.
Without question, sunflowers do best in southern regions or at least places with sufficient sunshine and warm days all through their growing season. If your area has long winter storms or is prone to drought-like conditions, then you may want to either choose another crop or grow sunflowers indoors using special growing lights and controlled temperatures. Sunflower seeds need just enough water to keep them moist until they sprout – too much will drown them, while not enough will stunt their growth entirely.