Annual Flowering Plants in Mississippi
No other group of flowering plants provides as much color as quickly and economically as annuals. Annual plants sprout from seed, flower, set seed, and die within one season. Many flowers, vegetables, and herbs are planted every year as annuals. Other plants may live longer in their native lands, but do not survive the heat or cold of the mid-south and are best treated as annuals.
Most annuals are planted in spring and are killed by frost in the fall. However, some, including pansies, ornamental cabbage, and dill are tolerant of our winters and are best planted in the fall for color throughout the winter. These are usually killed by the heat of early summer.
Some annuals, such as gomphrena, cosmos, and coreopsis reseed themselves, yielding several years of pleasure with minimal care. Annuals come in a variety of colors, heights, and textures, and their uses are almost unlimited. Unbeatable in masses of solid or mixed colors, annuals are also very effective in small groups or used to soften lines and accent borders.
Many annuals, especially compact varieties, are well suited for containers. Large annuals may be used as specimen or accent plants along the back of a flower or shrub border. Some annuals are vines that may be grown on fences, arbors, porch rails, or trellises.
Annuals are inexpensive, especially when grown from seed. However, they do require soil preparation, fertilization, irrigation, weeding, and pest control. Most are native to semiarid regions of the world and require full sunshine to survive.
Species such as impatiens are native to dark woodland floors and flourish in shady sites, such as covered patios, narrow courtyards, or heavily wooded sites.
Annual gardens are easily established in the smallest and most restrictive of spaces as well as the harsh conditions of a large suburban garden. Their relatively shallow root systems require only a modest amount of soil. Gardeners with sizable yards quickly learn the trick of planting one or two easy-to-grow beds of massed annuals to decorate patios, walks, or pools. Apartment dwellers can achieve a splash of color with a few well-placed pots, wash tubs, or planter boxes of annuals.
Annuals that need full sun, such as periwinkle and marigold, grow and flower best when they receive at least 4 to 6 hours of direct sunlight each day. Woodland species perform best under partial to heavy shade.
Prevent root diseases and other problems associated with waterlogged soil by avoiding areas where water stands after a heavy rain. Also avoid areas near large trees and shrubs that may have many greedy, thirsty feeder roots.
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With the summer season fast approaching, I’ve been getting questions about fertilizing, primarily concerning the types of fertilizer and how much to use.I’m glad to get these questions because garden and landscape plants need fertilizer to keep them healthy and growing. Fertilizing at planting helps trees, shrubs and flowering plants get established. It also promotes shoot and root growth, flowering, and optimum fruit and vegetable harvest.
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Mississippi’s long growing season means potential gardeners have until at least July to start growing vegetables, but the state’s ideal gardening climate also means weeds and pests are constant threats. Gardeners often grow flowers in containers to add pops of color and spots of greenery in otherwise unworkable areas, and they can be equally successful using containers to grow vegetables.
When looking at all the plants growing in landscapes, I’m reminded that each plant has a role in the story of that garden. And most garden stories have plants with sidekicks that you always find side by side.
A garden story that I recently enjoyed was the British TV show, “Rosemary & Thyme.” Rosemary Boxer (a university lecturer) and Laura Thyme (a former police officer) were a dynamic duo in the garden. They solved mysteries -- mostly murders -- while working as gardeners in beautiful landscapes all across Europe.
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