Perennials That Bloom All Summer [Garden Plan]

Perennials That Bloom All Summer [Garden Plan]

butterfly blue pincushion flower blossoms

Once planted, these perennials that bloom all summer do the work for you and will show beautiful colors for you to enjoy during warm days in your garden.

Perennials that bloom all summer long are a gardener’s dream, providing a continuous display of color and vibrancy in the garden. Plants like Black-Eyed Susan, Coneflower, and Coreopsis are renowned for their prolonged blooming periods, often from early summer until the first frost. These plants not only add consistent beauty to your garden but also attract pollinators like bees and butterflies, enhancing the garden’s ecosystem. Their ability to thrive and flower for several months makes them a cost-effective and low-maintenance choice for gardeners. Incorporating these perennials into your garden ensures a dynamic and lively outdoor space, filled with color and life throughout the entire summer season.

Delightful Daylily

Spectacular yellow Stella d’Oro daylily blooms all summer, tolerating hot and dry conditions, creating a stunning contrast with blue Allium azureum.

‘Immortality’ Reblooming Iris

Noted for its reliable show of snowy-white flowers in spring and again in fall, this stunning tall bearded iris is among the easiest perennials to grow. The ruffled blooms are borne on 30-inch-tall stems above the swordlike foliage.

Luscious Reblooming Lilac

Enjoy lilac’s heady fragrance in spring and again from midsummer into fall with Bloomerang. This compact variety fits neatly in any garden, growing just 4 to 5 feet tall and wide. This perennial that blooms all summer bears a heavy crop of lavender-purple flowers that are perfect for cutting.

Heavenly Hydrangea

King Au

Most hydrangeas bloom once and are done for the season. But Endless Summer bears blossoms on new growth – so you can enjoy the flowers several times each summer. For gardeners in cold climates where winter damage prevents other hydrangeas from flowering, ‘Endless Summer’ ensures a spectacular show.

Reliable Repeat-Blooming Rose

Beautiful Knock Out roses are some of the easiest plants you can grow in your garden. They bloom almost continuously through the summer and are virtually disease-free and hardy to boot. Pink Double Knock Out; the series also includes red, double red, single pink, yellow, and more.

Climb New Heights with Clematis

Jazz up your garden with Jackmanii clematis. Its royal purple petals cover the plant in early summer and blooms sporadically for the rest of the growing season.

Deep Purple Delight

As you might guess from its name, May Night perennial salvia puts on a spectacular show of deep purple spires in late spring. However, if you cut off the flowers as they begin to fade, they bloom again later in summer.

Bountiful Blooming Bleeding Heart

Fringed bleeding heart is the perfect size for semi-shady small-space gardens. And while the old-fashioned types flower just once in spring, this little dynamo is a perennial that blooms all summer. It slows down during the warmest days but picks up the pace again in autumn.

Rozanne Reblooming Perennial Geranium

Sporting clear purple blooms from late spring through fall freezes, Rozanne geranium makes a colorful statement in part shade to full sun. The spreading plant can reach 3 feet wide, creating a mass of beautiful foliage to boot.

Blanket Flower Bonanza

The orange tubular flowers of the Commotion Tizzy blanket flower give the impression of exploding fireworks. This sizzling sun-loving perennial that blooms all summer does exceptionally well if spent flowers are removed.

Vibrant Valerian

Add a delightful dose of vivid pink to your yard with valerian. It blooms nearly nonstop from spring through fall in well-drained, sunny sites. Deadhead the plant to prevent it from spreading by seed and speed rebloom.

Sunny Coreopsis

Coreopsis, or tickseed, produces scores of sunny yellow flowers in summer. ‘Domino’, pictured here, has a mahogany band near the bloom’s center. Pluck off spent blooms to prevent seed formation and to keep the plant blooming profusely.

Delightful Shasta Daisy

The pure white blooms of Becky Shasta daisies brighten the perennial garden with their cheery display. As flowers fade, cut them off, and you’ll be rewarded with a repeat showing.

Constant Color from Catmint

The gray-green foliage of Walker’s Low catmint is perfectly complemented by lovely purple flower spikes. After the first flush of flowers in late spring, it’s a good idea to give the plant a light pruning to keep it compact and encourage another blooming cycle. Catmint is known for being low-maintenance and for thriving in hot and dry conditions.

Sensational Speedwell

An unsung hero of the garden and a perennial that blooms all summer, speedwell comes in various shades of blue, pink, or white. All produce upright flower spikes on mounded plants. After the first set of blooms begins to fade, shear the plant to encourage branching and rebloom. This combination of spike Speedwell, Knock Out Rose, and Six Hills Giant Catmint creates a spectacular season-long show.

Versatile Rose Verbena

Rose verbena forms a cascading ground cover that spruces up a slope with season-long bloom. It flowers best in the cooler weather of spring and fall, but it is seldom without some splashes of color.

Stick with Pincushion Flower

butterfly blue pincushion flower blossoms

The Butterfly Blue pincushion flower is a nonstop perennial that blooms all summer. The cushion-like blue flowers are on slender stalks reaching 12 to 15 inches tall and are a surefire way to attract butterflies.

Most Popular Flowers & Plants in the USA

RegionPopular FlowersPopular Plants
Northeast (e.g., New York, Massachusetts)Rose, Purple Lilac, Mountain LaurelSugar Maple, American Elm, White Pine
Southeast (e.g., Florida, Georgia)Orange Blossom, Cherokee Rose, Southern MagnoliaLive Oak, Spanish Moss, Saw Palmetto
Midwest (e.g., Ohio, Illinois)Carnation, Violet, Purple ConeflowerBur Oak, Prairie Grasses, Wild Bergamot
Southwest (e.g., Texas, Arizona)Bluebonnet, Saguaro Cactus Flower, Indian PaintbrushJoshua Tree, Agave, Mesquite
West (e.g., California, Washington)California Poppy, Coast Rhododendron, BitterrootGiant Sequoia, Redwood, Manzanita
Rocky Mountain (e.g., Colorado, Montana)Rocky Mountain Columbine, Bitterroot, Indian PaintbrushBlue Spruce, Aspen, Sagebrush
Great Plains (e.g., Kansas, Nebraska)Sunflower, Goldenrod, Purple ConeflowerCottonwood, Bluestem Grasses, Buffalo Grass
Pacific Northwest (e.g., Oregon, Alaska)Oregon Grape, Forget-me-not, Pacific RhododendronDouglas Fir, Western Hemlock, Ferns

This table includes the most popular flowers and plants in the USA by region, which considers a range of botanical species, including native and widely cultivated varieties.

Most Popular Flowers & Plants in Australia

RegionPopular FlowersPopular Plants
New South WalesWaratah, Bottlebrush, Flannel FlowerEucalyptus, Acacia, Banksia
VictoriaCommon Heath, Waxflower, Pink HeathMountain Ash, Silver Wattle, Victorian Blue Gum
QueenslandCooktown Orchid, Golden Penda, Umbrella Tree FlowerMoreton Bay Fig, Macadamia Nut, Queensland Bottle Tree
South AustraliaSturt's Desert Pea, Kangaroo Paw, Eucalyptus BlossomAdelaide Blue Gum, South Australian Blue Gum, Saltbush
Western AustraliaRed and Green Kangaroo Paw, Mangles Kangaroo Paw, Swan River DaisyJarrah, Marri, Karri
TasmaniaTasmanian Blue Gum, Leatherwood Flower, Tasmanian WaratahHuon Pine, Tasmanian Oak, Myrtle Beech
Northern TerritorySturt's Desert Rose, Frangipani, Desert RoseBoab, Gidgee, Spinifex
Australian Capital TerritoryRoyal Bluebell, Australian Daisy, CorreaSnow Gum, River Red Gum, Black Mountain

This table offers a basic overview of popular flowers and plants in each Australian region, focusing on a combination of state flowers, native species, and other characteristic plants. It's important to note that specific species' popularity and prevalence can vary. This table is a simplified representation. Consulting local botanical gardens or regional horticultural societies in Australia would be ideal for more detailed and accurate information.

Charlotte Gammon

By Charlotte Gammon

Meet Charlotte Gammon, our expert and author. She's our true treasure, as she has got 20+ years of experience in gardening, winery and house design. In early 2000s, she worked for magazine and was in charge of the gaardening section. Later on, Charlotte opened her own designer agency and worked as a designer and decorator. We are happy to have Charlotte with us, as she is our good friend. We value her experience and we're sure you will love the articles she created for our blog.