Some flowering annuals plants need sun for good growth. These plants need afternoon shade along with regular watering. They can tolerate the high heat quite well without being damaged. The plants don’t like freezing temperatures. We will tell you about some annuals that grow well in sun. Amaranth is a plant that has colorful flowers and leaves. The celosia plant has beautiful flowers that can be used as cut flowers. The flowers have spikes like wheat spikes. Cosmos has flowers of many colors including pink and orange. Cupflower has very delicate flowers and you can easily grow this plant in containers. Following is a brief description of ten best annuals for sun.