Many flowers grow very well in full, hot sun. When growing flowers in full sun, you might consider mulching areas that are not shaded by the flower-producing plants. This will help your soil retain moisture and reduce the amount of water you must add to your flower beds. Some flowers can be directly seeded in the spring, but others do best planted using young nursery seedlings.
Sunflowers do very well in full, hot sun. Sunflowers are easy to grow and will do well in most soil types, as long as the soil drains adequately. Depending on the variety, sunflowers can grow from 3 or 4 feet tall to over 12 feet tall. On larger sunflowers, the flowers can be over 2 feet in diameter. Sunflowers do best when directly seeded.
Daisies are another type of flower that grows well in full, hot sun. The Shasta daisy grows to between 1 and 3 feet, which is 6 to 12 inches taller than some other varieties. Daisies grow well in most soil types as long as the soil drains well. Daisies can grow well either from seed or from young nursery plants.
Petunias are annuals that do very well in full sun. Petunias grow about a foot tall, with bushy plants growing to about a foot wide. Spreading petunias can grow to 2 feet wide, with ground cover varieties growing 3 to 4 feet in diameter. There are many varieties of petunias, some of which have 1-inch flowers and other with flowers as large as 5 inches. Petunias can be difficult to grow from seed and are generally best planted using young nursery plants.
Marigolds are annuals that grow very well in full, hot sun. Marigolds require moist, loamy soil that drains well. Depending on the variety, marigolds can grow to between 6 inches and 4 feet tall with a spread of between 6 inches and 3 feet. Marigolds grow well either from seed or from young nursery seedlings.
Chamomile is an edible flower often brewed into a tea. Chamomile flowers grow well in full, hot sun with a sandy, well-draining soil. Chamomile grows to 2 or 3 feet tall and has a sweet, apple-like fragrance. Chamomile grows well either from seed or from young nursery plants.