Mongolian Giant Sunflower Seeds (12 Pack) Organic grown in the UK. Extremely hardy weather-resistant seeds perfect for outdoor planting during the summer season. Plant sunflower seeds in spring after the danger of frost has passed. Choose a location with 6–8 hours of direct sunlight and well-draining soil. Plant seeds 2.5–5 cm (1 to 2 inches) deep and space them 12" apart. Water deeply every 2-3 days. These are absolutley beautiful sunflowers that grow to a magnificent height with beautiful big heads that are full of hundreds of seeds. These are my images and is what you can expect to grow, a lot of images on here seem to be taken from google.