- Functions:Fertilizer, Herbicide
- Chemical Family:Iron & Iron Compounds, Nitrogen, Potassium Salts
Pennington Ultragreen Southern Weed And Feed 34-0-4 premium blended fertilizer is packed with essential plant nutrients to give you the thick, green lawn you desire. It has both fast acting nitrogen for quick greening, as well as slow release nitrogen for extended feeding for up to 3 months. With 5% iron, this fertilizer will give you a deep, dark green lawn.