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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.

Columbines, such as this Aquilegia Swan blue and white, can thrive in Mississippi landscapes when treated as an annual.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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Publications

Publication Number: IS0656
Publication Number: P2007
Publication Number: P3251

News

A plant with light green leaves and white flowers on tall stems grows in the shade under a tree.
Filed Under: Lawn and Garden, Flower Gardens, Landscape Architecture July 17, 2018

With Mississippi's legendary summer heat, everyone wants some shade trees in the home landscape. But with shade comes a unique challenge: what plants thrive with less sunlight? (Photo by Gary Bachman)

A sprinkler with a black hose nestled in light brown pine straw lightly sprays pink flowers.
Filed Under: Flower Gardens July 16, 2018

As we continue to plow through this hot and humid summer, keeping our plants -- and ourselves -- hydrated is critical to maintaining the summer garden and landscape. As I write this column, it's 96 degrees with a heat index of 108. Whew!

A yellow butterfly sits atop a green bush with pink flowers.
Filed Under: Flower Gardens July 9, 2018

Like most gardeners, I love watching the various butterflies that visit my garden.

One I really like is the giant swallowtail, with its black body and vivid, yellow stripes. This creature loves my citrus, where she lays her eggs. The developing caterpillars have a unique defense mechanism; they look like bird poop on the citrus leaves.

Scaevola – Tiny purple, white and orange flowers can be seen among a mass of green leaves.
Filed Under: Flower Gardens July 2, 2018

I am a committed container gardener for both flowers and vegetables, but today I’m focusing on flowering plants. I firmly believe growing in containers is a fantastic way to enjoy a beautiful landscape and garden.

A man shows how to supplement supermarket floral bouquets with landscape materials.
Filed Under: Flower Gardens June 25, 2018

Let’s face it. Sometimes we need a quick, inexpensive bouquet of flowers to give to a friend or family member or to freshen up our own spaces.

Jim DelPrince, Extension horticulture specialist, shows you how to use landscape materials to supplement those pretty bouquets you see at the supermarket and get more bang for your buck. (Photo credit: Zac Ashmore/Cindy Callahan) 

Success Stories

brightly colored wooden fence and gate
Community, Family Dynamics, Flower Gardens, Youth Gardening
Volume 3 Number 3

Before she became the Hancock County Youth Court judge, Elise Deano was a school teacher. She jokes that she became a lawyer because she taught school, but Deano wants to make sure young people get an opportunity to turn their lives around.

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