- Marigolds: Marigolds are a cheerful and easy-to-grow flower that is not poisonous to horses. They come in a variety of colors, including yellow, orange, and red.
- Sunflowers: Sunflowers are a tall, stately plant that produces large, yellow flowers. They are not poisonous to horses and are a great way to add height and interest to a grave site.
- Pansies: Pansies are delicate, little flowers that come in a variety of colors. They are not poisonous to horses and are a great way to add color to a grave site.
- Petunias: Petunias are a popular bedding plant that produces colorful, trumpet-shaped flowers. They are not poisonous to horses and are a great way to add a splash of color to a grave site.
- Clover: Clover is a low-growing, perennial herb that produces small, white flowers. It is not poisonous to horses and is a great way to provide a green ground cover for a grave site.