To enjoy gladiolus flowers for a longer growing season, practice staggered planting. Tuck individual corms into soil every 5 to 10 days. Be sure to leave space in your planting beds to accommodate subsequent plantings. The result will be non-stop glads all season long.
When selecting a raised garden bed, consider the style, such as metal sides or a wood frame (or both), and what you plan to grow. This metal and wood planter, sold by Gardeners' Supply, is 45 inches long and more than 15 inches wide, plus it is more than 15 inches deep to hold flowers, herbs and vegetables.
Count on canna lily plants to add vertical interest to planting beds. Here, Tropicanna canna lily and Tropicanna Gold canna lily tower over annual flowers red celosia and gold melampodium. Choose annuals with flowers that match the leaf colors of canna lilies for an eye-catching display.