Warm sun and gentle rains encourage the grass to grow. The sight of green is so welcome after a long snowy winter! But what else besides grass might be growing in your pastures and paddocks? There's a surprising number of plants that can cause problems for horses. Here's a look at some of the most common plants and trees that can be toxic.

Read More About Pastures and Feeding

• Introducing Your Horse to Lush Pasture
• Feeding Your Pony