Plants That Stand Up to Summer Heat

With summer in full swing, learn about flowers and plants that can stand the heat and make for great arrangements from Atlanta-based florist Darryl Wiseman.

Photo By: Photo by Lynn Coulter

Photo By: Photo courtesy of Capture & Design

Photo By: Courtesy Plant Delights Nursery, Inc.

Photo By: Photo courtesy of Perennial Resource

Photo By: Photo courtesy of Capture & Design

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Photo By: Image provided by Felder Rushing

Photo By: Photo by Felder Rushing

Gerber Daisies

Darryl Wiseman is a florist on BloomNation, an online floral service that offers same-day delivery from member florists across the country, and the owner of Darryl Wiseman Flowers in Atlanta, Georgia. Wiseman says a gerber daisy is an example of a flower that stands up to the summer heat. 

Smoke Bush

"Smokebush is a wonderful tall bush-like flower," Wiseman says. It is highly drought-tolerant.

'Green Trick' Dianthus

'Green Trick' Dianthus performs well in the heat. "'Green Trick' is in the carnation family, and it’s so popular," Wiseman says. "Don’t be afraid to experiment with containers; containers are just as important as the flowers." The arrangement shown was styled by The Wheelbarrow Gardener.


Hellebores are low maintenance flower foliage plants that make great additions to floral arrangements, Wiseman says.


Include several clumps of liatris in your garden so you have plenty of stems to cut for bouquets. This pretty bloomer adds a strong vertical element to gardens as well as arrangements. Liatris is a great choice for Southern gardens because it can take the heat.

Dusty Miller

Wiseman works with Dusty Miller in his arrangements as another plant that stands up to the heat. The light green, velvety leaves pair well with ivory tulips, peach roses and ornamental kale as seen in this silver metallic vase, designed by Valerie Loseth of The Wheelbarrow Gardener.


Wiseman also recommends viburnum as an easy-to-grow heat-tolerant plant.

Magnolia Foliage

Magnolias produce great deep green foliage that does well in the heat. A tip from WIseman on how to make cut flowers and plants last longer is to change the water daily or at least every day and a half, which will help prevent bacteria from killing the flowers.


Agapanthus, another one of Wiseman's heat-tolerant favorites, features large, elegant, deep blue bell-shaped blooms that are clustered together on tall, sturdy stems. These showy flower heads stand well above the plant's foliage.


Wiseman designs flowers for weddings and large events and says peonies are one of the most popular and most requested flowers. "Peonies can stand some of the heat, but not as much as the others," he says.


Another wedding favorite, roses will grow in the heat, Wiseman says. This heritage tea rose, 'Madame Caroline Testout' was bred in 1890 by Joseph Pernet-Ducher.


Gardenias like this fragrant  'Cape Jasmine" can take the heat like no other and make for great additions to flower arrangements.


"The number one flower people can grow in this climate and have as cut flowers is, of course, sunflowers," Wiseman says.

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