Plant small black sunflower seeds, known as oilseed, ½ inch deep. Plant large black-and-white-striped seeds, known as non-oilseed, 1 inch deep.
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Liz Ward is a Visual Communications Designer and writer. Ward's articles are published on eHow.com and GardenGuides.com. Ward has written for Demand Studios and Text Broker. She holds a Bachelor's degree in Design and a Minor in photography from Purdue University. She is also a master gardener.