Seeds from Sunflower Indian Blanket. Annual These colorful and brilliant flowers come in many bi color shades of rich reds, deep golds, mellow yellows and rusty rusts. Many flowers also display fluffy petals on the inner disc, making them almost semi double. With blooms nearly 4 inches across that does not easily shed, they are great for cutting. Continuously blooming, this multi branched variety will grow to 4 to 5 feet tall.