Find or Submit Gardening Articles and videoshttp://www.ultimategreenthumb.com Browse through 1000's of FREE gardening articles and videos or submit them to our gardening community! If you have dogs, keep the foxtail out of your lawn! Foxtail is a common annual grass usually considered a weed. It grows one to three feet tall, with branching and some spreading at ground level. Leaf blades are 4 to 15 inches long.Flower heads are...more