Popular Perennial Plants That Flower All Summer

One thing that makes perennial flowers appealing is that they return yearly. Hence, they relieve you of your duty to replant them each spring. In addition, the perennial plants provide your yard with color from spring, summer, and even into fall.

The only drawback is that flowering perennials bloom for a short period, as some bloom for a week, and others bloom longer. But we have gathered some long-lasting colors for you to grow in your summer garden.

18 Perennial Flowers For Your Summer Long Garden

Choose any flowering plants to grow in flower beds and borders, or fill up those empty spaces in the landscape for long-lasting blooms.

Autumn Joy Stonecrop Perennial Plant

autumn joy stonecrop

The Autumn Joy used to belong to the Sedum genus but is now categorized as the Hylotelephium ‘Herbstfreude.’ Hence the name translated from German Autumn Joy. It is an early summer bloomer, and the flowers darken to a rust-red, reaching purple by fall.

You can find various cultivars with different shades and foliage colors. The perennials are prized for flowers that bloom long-lasting into the fall. The flowers are masses of smaller blooms that clump together.

The perennial grows slowly and is not a high-maintenance plant except that you shear back the stems to the ground after the first frost. The plant grows well in USDA zones 3 to 9.

You find the color varieties with rosy-red flowers and even in a bright rust red or purple color. This Stonecrop prefers full sun with dry to moist soil, as with most perennials. Ensure it has well-drained soil to prevent root rot.

Becky Shasta Daisy

Becky Shasta Daisy

Many moons ago, the term Daisy was spelled Day’s Eye, a metaphor for the word sun. Still, when you look at Daisy, the old spelling does resemble the sun. It creates an ambiance of light that shines in your garden.

Looking at these beautiful flowers brightens your day and gives you a sunny outlook. It remains a classic throughout the summer. The Becky Shasta Daisy is one of the best cultivars, and they are tough plants even if they have a delicate appearance.

The Daisy blooms from July to September, growing up to four feet for a long-lasting display. The Daisy is a perfect perennial plant to grow in the hardiness zones 5 to 9 in full sun. The color variety is yellow-centered white flowers.

Provide your outdoor plant with medium moisture as they are reasonably drought-tolerant.

Black Eyed Susan That Looks Like The Shasta Daisies

black eyed susan

When you look at Rudbeckia hirta, known as the Balck Eyed Susan, you would think it is a Daisy. But instead, it is long-blooming perennials with bright yellow flowers—the plant blooms throughout the summer to add cheerful color to the yard.

It also needs minimal care and blooms from June to September in most zones 3 to 7. It can reach three feet tall, and with deadheading, it reblooms and helps prevent self-seeding. It is a short-lived perennial but does come back if left to self-seed.

The blooms are yellow to orange with dark centers, and the Black-Eyed Susan loves standing in full sun in moist, well-draining soil. It also has a good tolerance for dry areas.

The Butterfly Bush, a Full Bloomer


The Buddleia genus has various species, from deciduous to perennial shrubs. Some will die back in cold winters to resprout in early spring. Still, most species are cultivars or hybrids and are not invasive.

The Butterfly Bush you see blooming from June to September, but they can grow tall to 8 feet, while some are more compact. A recommended cultivar is the Blue Chip, which remains two feet tall. You will need to deadhead some varieties to prevent spreading.

The recommended growing zone for these perennials is 5 to 9 in full sun with moist soil that drains well. The color varieties available bloom blue to purple flowers.

Catmint Not to be Confused With The Feline-Friendly Plant Catnip


While Catnip and Catmint are both forms of mint, both are two different species. The Nepeta racemosa is a low-maintenance plant that works well in the landscape. Gardeners grow it as ground cover as it reaches 12 inches high.

A recommended cultivar is the Walker Low which can reach heights of 30 inches. It blooms from early spring throughout the summer into fall. When you shear the flower spikes after it blooms, it helps to stimulate reblooming.

The recommended growing zones are 4 to 8 in dry to medium moisture and soil that drains well. The Lavender blue flowers make for a great display in the garden, standing in full sun to partial shade.

Coneflower is a Versatile Perennial


You can find several species in the Echinacea genus, from cultivars to hybrids sold as the Coneflower. One such popular species is the Purple Coneflower, which blooms from June to Augusts.

The Coneflower reaches five feet tall and typically benefits from division every four years. Depending on your chosen variety, they can grow in zones 3 to 9 in direct sunlight to partial shade.

These low-maintenance plants you find in various colors ranging from purplish-pink, white, white-orange, yellow, and green to a deep shade of red. It is a beautiful plant that thrives in dry to moist soil and has excellent drought tolerance for the summer months.

Dalmatian Bellflowers With Star Shaped Flowers

campanula flowers

The Campanula genus has over 500 species of annuals and perennials. The blooming perennial Campanula portenschlagiana, or the Dalmatian Bellflower, is a mat-forming plant. Therefore, the plant has very little maintenance and blooms from late spring to early summer.

The Dalmatian Bellflower is a great plant for edging or trailing over walls and spreading rapidly. You can divide the plant every four years to ensure the clumps remain vigorous. You can find many different varieties with flowers in blue or violet.

For the best-growing conditions, plant the Dalmatian Bellflower in full sun to part shade for beautiful blooms.

English Lavender That Can Survive Winters

english lavender

Yes, the smell of Lavender adds a nice touch to any home and garden. The English Lavender is very low maintenance and blooms from spring to mid-summer. In addition, the purple flowers have a wonderful fragrance that pollinators love.

Depending on your cultivar, these perennials can grow up to three feet high and thrive in full sun in zones 4 to 9. It also has a good drought tolerance and prefers to be on the dry side before watering.

You can choose from different color varieties with purple, blue, or even pink flowers.

Fringed Bleeding Heart a Long Blooming Perennial

Fringed Bleeding Heart

The Fringed Bleeding Heart is made for a shade garden and will bloom from spring to early fall in Zone 5. Unlike its relative, the typical Bleeding Heart, this one has fern-like foliage with beautiful heart-shaped flowers.

The Fringed Bleeding Heart has a smaller appearance reaching a height of 18 inches with a similar spread. The color varieties are white, pink, and reddish-purple. Grow this plant in full sun to partial shade for blooms through late summer and early fall.

Garden Phlox For Early Summer Long Blooms

garden phlox

A staple for any summer garden is the Garden Phlox long blooming perennials from early summer to fall. The only concern with this plant is powdery mildew, which rarely causes severe damage.

Still, you can find some newer cultivars like your David that are mildew-resistant. Nonetheless, this perennial does best in mid-summer climates and needs good air circulation. Also, it helps to deadhead the spent blooms to prevent self-seeding and produce more flowers.

You can grow Phlox in the USDA growing zones 4 to 8 in well-draining soil with moderate moisture. Provide the plant with full sun to partial shade.

Ice Plant a Low-Lying Plant

ice plant flowering succulent

The Ice Plant has succulent-like leaves with blooms in vivid colors. These perennials grow six inches high in the garden and flower from June to September.

The borderline plant works well in a mixed border north of Zone 6 but can survive winter when covered with mulch. Provide the plant with full sun and dry soil between watering as it has a good drought tolerance.

The flowers are red-purple to brighten up any landscape.

Red Hot Poker or Torch Lily

torch lily

The name of this plant matches the gorgeous yellow and red flowers on tall stems, and it reaches four feet high. Still, you can find several cultivars and hybrids with different flower colors and heights.

A popular series is the Popsicle variety like the Mango Popsicle, Redhot Popsicle, and Pineapple Popsicle, which produce blooms from late spring to midsummer.

You must remove the spent flower heads and need not divide them into clumps. The recommended growing zones are 5 to 9. Grow the Red Hot Poker in full sun to partial shade in well-draining soil.

Russian Sage Has Small Blossoms

russian sage

While the Russian Sage lacks large flowers, it makes up for it in numbers creating a wispy look in your garden. These perennial flowers grow up to five feet high but can sprawl. They bloom in late spring to late summer in the growing zones 4 to 9.

The flowers display in blue or lavender colors and love the sun with well-drained soil that remains dry to moist.

Salvia Spp Produce Flowers That Bloom a Long Time

salvia spp

Some perennials in the Salvia genus that provide color in the garden from spring to fall are:

When you deadhead these perennials, they can bloom all summer long and need little maintenance. You only need to grow them in dry to moist soil in full sun. Depending on your species, you can grow them in zones 4 to 10.

Spiked Speedwell The Royal Candles Cultivar

veronica spicata

The Spiked Speedwell forms long-lasting spikes of blue flowers, growing up to 12 inches high. You will see the blooms from the early summer months through to fall. With regular shearing, you can extend the flowering season for this plant.

It grows best in the garden in zones 3 to 8 in full sun. Some cultivars bloom in blue-violet, pink, or white flowers.

Stella de Oro Daylilies

stella de oro daylily

You can find a wide selection of hybrids in the Hemerocallis genus. It is a compact plant reaching a height of 12 inches. It has long-lasting blooms from spring to late summer.

Still, the flowers only last for a day. After that, it needs little care, and you can divide them to grow new plants. One cultivar, the Black-Eyed Stella, is a taller plant with gold flowers and a burgundy center.

The Stella de Oro Daylily grows best in zones 3 to 10 in full sun with some afternoon shade.

Threadleaf Coreopsis or Fernleaf Coreopsis

Threadleaf Coreopsis

These outdoor or indoor plants produce small daily flowers in a yellow color reaching up to three feet high with delicate foliage. Some popular cultivars are the Grandiflora, Moonbeam, and Zagreb. You can stimulate this plant for a 2nd fall flush of blooms.

Still, you can only do this if you shear back your plant in late summer after flowering. You can find them in pink, red, and bi-color cultivars. The Threadleaf Coreopsis grows well in zones 3 to 9 in full sun and can tolerate some drought.

Yarrow Always Part of Health and Lifestyle Topics

yarrow flower

The herb plant flowers all summer on tall stems reaching up to three feet high. The species forms clusters of white flowers but is also available in other colors. The plant was widely used for its medicinal purposes before modern times arrived.

You can divide Yarrow every three to five years, and deadheading the spent flowers lengthens the bloom period. Plant them in your garden in zones 3 to 8 in full sun. Provide Yarrow with well-drained soil with moderate watering as they are drought tolerant.

Note: Get Some Regional Advice

These plants all have long bloom cycles, depending on the cultivar and the hardiness zone where you live. We recommend consulting with a plant expert, a local university extension department, or a botanical garden for the best recommendations for your area.

Whether you want to buy, sell, or simply reach out to other plant enthusiasts, Plantly is the right place to be!