43 Perennial Flowers that Bloom All Summer

Raul Cornelius is a Senior Editor at BalconyGardenWeb and an expert in flower and herb cultivation based in Phoenix, Arizona. A frequent speaker at horticultural events, he is also an active contributor to Facebook flower groups. Holding an MBA and a BCom, Raul blends his gardening skills with strong leadership and analytical abilities. Passionate about writing and photography, he enjoys early mornings with coffee and books, and nature bike rides during weekends.
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We bring you the most comprehensive list of the best Perennial Flowers that Bloom All Summer! Grow them today!

If you want your garden to stand out with vivid blossoms in the hotter months of the year, then you are in for a treat! These are the most stunning Perennial Flowers that Bloom All Summer!

Check out 25 Best Perennials with Orange Flowers here

Perennial Flowers that Bloom All Summer

1. Coneflower

Perennial Flowers that Bloom All Summer

Botanical Name: Echinacea

USDA Zones: 4-9

This popular perennial flower produces bright, daisy-like blooms in shades of pink, purple, and white. Coneflowers are easy to grow and attract pollinators like bees and butterflies.

Here are Types of Coneflower Varieties

2. Rudbeckia

Botanical Name: Rudbeckia

USDA Zones: 4-9

With its cheerful yellow petals and dark center, the black-eyed Susan is a classic summer flower. It thrives in full sun and well-draining soil.

3. Coreopsis

Perennial Flowers that Bloom All Summer 3

Botanical Name: Coreopsis lanceolata

USDA Zones: 3-9

These sun-loving flowers come in shades of yellow, orange, and red, and their delicate, daisy-like blooms add a bright pop of color to any garden.

4. Allium

Botanical Name: Allium

USDA Zones: 3-9

Alliums come in a vibrant range of colors, from yellow and white to pink and purple. Their globe-shaped florets sit atop tall stems, creating a charming element in any garden.

Here are the Best Allium Varieties

5. Bee Balm

Botanical Name: Monarda

USDA Zones: 4-9

With its showy blooms that last from July through August, Bee Balm is a must-have in any garden. Its fragrant flowers are irresistible to butterflies and hummingbirds.

Learn How to Grow Bee Balm here

6. Lavender

Perennial Flowers that Bloom All Summer 6

Botanical Name: Lavandula angustifolia

USDA Zones: 5-10

Lavender is beloved for its delightful scent, making it a popular choice in gardens. This versatile plant makes an excellent border and prefers well-draining soil in full sunlight.

Check out some really cool ideas on landscaping with lavender here

7. Perennial Geranium

Botanical Name: Geranium bohemicum

USDA Zones: 3-9

Perennial Geranium is an ideal plant for borders, adding a beautiful touch to any landscape. With its tiny yet vivid flowers, it blooms continuously for months, starting from late spring.

Here are the best tips to help Geraniums bloom!

8. Shasta Daisy


Botanical Name: Leucanthemum

USDA Zones: 4-9

Shasta daisies are a classic summer flower, with their bright white petals and sunny yellow centers. These perennials thrive in full sun and well-draining soil.

9. Hibiscus

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Botanical Name: Hibiscus

USDA Zones: 5-11

Hibiscus is a sun-loving plant that’s adored by both hummingbirds and butterflies. It starts blooming later in the summer and comes in multiple shades of eye-catching colors.

Check out 18 Fiesta Hibiscus in Garden Ideas With Pictures here

10. Phlox

Botanical Name: Phlox

USDA Zones: 4-8

Garden Phlox boasts a dazzling display of fragrant blooms in shades of pink, purple, white, or red, making it a showstopper in any garden.

11. Perennial Salvia

Botanical Name: Salvia

USDA Zones: 4-11

If you want the best display of blooms in the summer, then grow ‘Blue Hill,’ ‘Victoria Blue,’ ‘Caradonna,’ and ‘Mainacht.’ It does best in bright and indirect sunlight.

12. Russian Sage

Perennial Flowers that Bloom All Summer 12

Botanical Name: Perovskia atriplicifolia

USDA Zones: 4-9

Russian sage produces tall, airy spikes of lavender-blue flowers that add a graceful touch to any garden. This hardy perennial thrives in hot and dry conditions.

Russian Sage Vs. Lavender: Here is All You Need to Know

13. Yarrow

Botanical Name: Achillea millefolium

USDA Zones: 3-8

While the species typically produces white flower clusters, there are various cultivars that feature flowers in different hues. Yarrow is a perennial plant that thrives in summer.

14. Ice Plant


Botanical Name: Delosperma cooperi

USDA Zones: 5-10

If you’re looking for a low-maintenance, long-lasting perennial with vibrant flowers and distinctive foliage, consider Delosperma cooperi, also known as ice plant.

15. Butterfly Bush

Perennial Flowers that Bloom All Summer 15

Botanical Name: Buddleia

USDA Zones: 5-9

The Buddleia genus comprises perennials and deciduous shrubs, with some varieties in colder climates dying back to the ground in winter and re-sprouting in spring.

Here are Beautiful Bushes with Pink Flowers

16. Autumn Joy Stonecrop


Botanical Name: Hylotelephium spectabile

USDA Zones: 3-11

This plant produces late summer blooms that gradually change color from pink to rust-red or purple as fall approaches.

17. Fringed Bleeding Heart

Botanical Name: Dicentra eximia

USDA Zones: 3-9

This perennial plant produces blooms for approximately three months throughout the growing season, which spans from late spring through late summer in zone 5.

18. Serbian Bellflower

Perennial Flowers that Bloom All Summer 18

Botanical Name:Campanula ‘Silberregen’

USDA Zones: 3-8

This low-growing, mat-forming plant produces an abundance of blooms for a period of two months in late spring and early summer, making it an excellent addition to any garden.

Here are Stunning Plants For Walkways

19. Red Hot Poker

Botanical Name: Kniphofia uvaria

USDA Zones: 5-9

These plants produce flowers from late spring to midsummer and have a more compact growth habit, reaching only 1 to 2 feet in height.

20. Catmint


Botanical Name: Nepeta racemosa

USDA Zones: 4-8

Catmint is a popular ground cover that usually reaches a height of about 8-12 inches. It produces blooms from spring to early fall.

Here are Stunning Plants For Walkways

21. Iris

Botanical Name: Iris

USDA Zones: 3-9

This plant is renowned for its dependable display of snowy-white flowers in both spring and autumn, making it one of the most effortless perennials to cultivate.

22. Roses

Perennial Flowers that Bloom All Summer 22

Botanical Name: Rosa

USDA Zones: 5-11

They offer near-continuous blooming during the summer and are remarkably resistant to diseases while being quite hardy. These flowers also come in many shades!

Have a look at the most important things to consider while growing roses here

23. Clematis

Botanical Name: Clematis occidentalis

USDA Zones: 4-9

Add a touch of charm to your garden with the Jackmanii clematis, featuring stunning royal purple petals that adorn the plant in early summer.

Discover the Best Clematis Varieties here

24. Hydrangea

Botanical Name: Hydrangea

USDA Zones: 3-9

While most hydrangeas produce flowers only once in a season, Endless Summer is different as it blooms on new growth, allowing for multiple blooms throughout the summer.

Check out 32 Splendid Perennial Flowers that Bloom for Decades Here

25. Astilbe

Perennial Flowers that Bloom All Summer 25

Botanical Name: Astilbe

USDA Zone: 3-9

Its feathery flowers not only look stunning, swaying in the breeze with lovely fragrances, making it perfect for planting in containers around seating areas.

26.  Lupine

Botanical Name: Lupinus angustifolius

USDA Zones: 7-9

For a vibrant and enduring burst of color in your garden, consider planting  Lupine with its tall, cone-shaped flowers that bloom all through the summer season.

27. Lilyturf

Botanical Name: Liriope muscari

USDA Zones: 5-11

If you’re seeking a perennial plant that will provide gorgeous white flowers throughout the summer season, ‘Monroe White Lilyturf is an excellent choice.

28. Dahlia

Perennial Flowers that Bloom All Summer 28

Botanical Name: Dahlias

USDA Zones: 8-11

You can grow these gorgeous blooms in borders or pots, and they make an ideal choice for cut flowers. It keeps on flowering from June until the first frost.

Here are the Best Red Dahlia Varieties for the Garden

29. Sedum Voodoo

Botanical Name: Sedum spurium Voodoo

USDA Zones: 4-10

Sedum ‘Voodoo’ offers a multi-faceted appeal that’s sure to please. Its succulent-like leaves create a striking architectural aspect that serves as an ideal backdrop for red flowers.

30. Dianthus

Botanical Name: Dianthus

USDA Zones: 3-10

Dianthus is another superb perennial plant that delivers beautiful and lasting color throughout the summer.

31. Cranesbill Geranium

Perennial Flowers that Bloom All Summer 31

Botanical Name: Geranium sanguineum

USDA Zones: 3-9

Not only does this plant generate a profusion of blooms from May to July, but its vigorous growth ensures a second wave of blossoms in late summer if you trim them back.

Take a look at these Fanciest Types of Geraniums

32. Hollyhocks

Botanical Name: Alcea rosea

USDA Zones: 2-11

Yellow Hollyhocks feature stunning golden blooms that bring months of sunny color to your garden, come rain or shine. They make an excellent choice for the rear of borders.

33. Peonies

Botanical Name: Paeonia lactiflora x ‘Inspecteur Lavergne’

USDA Zones: 4-8b

Peony ‘Inspecteur Lavergne’ thrives in hot, sunny conditions and rewards your efforts with magnificent, full-bodied double flowers in a rich pink/red hue.

Here are Beautiful Types of Purple Peony Varieties

34. Foam Flower

Perennial Flowers that Bloom All Summer 34

Botanical Name: Tiarella cordifolia

USDA Zones: 3-8

The Foam Flower is indigenous to woodland and thrives in areas with partial or dappled shade. From April to the end of summer, this plant produces graceful white flowers.

35. Bugleweed

Botanical Name: Ajuga reptans

USDA Zones: 4-9

Bugleweed is an excellent choice to add a pop of color to a dull, shaded area in your garden. Its vivid blue flowers bloom abundantly throughout summer.

36. Vinca

Botanical Name: Catharanthus roseus

USDA Zones: 8-11

The annual vinca is a tropical perennial plant that is commonly grown as an annual in many regions. It features flowers and foliage that bear a striking resemblance to impatiens.

Take a look at the Best Types of Vincas here

37. Summer Rose

Perennial Flowers that Bloom All Summer 37

Botanical Name: Rosa × damascena

USDA Zones: 9-11

Adding these beauties to your garden landscape can be a dreamy and enchanting experience. It grows best in full sun and well-draining soil.

38. Lantana

Botanical Name: Lantana Camara

USDA Zones: 10-11

They thrive best in high-temperature hardiness zones, and in regions that experience cold winters, lantanas bloom as annual flowers rather than as tender perennials.

Here are the Best Types of Lantanas

39. Blanket Flowers

Botanical Name: Gaillardia x grandiflora

USDA Zones: 8-11

Once established, this drought and heat-tolerant plant require little care, making it an easy addition to any garden. It is also a magnet to birds and butterflies!

40. Spider Lily

Perennial Flowers that Bloom All Summer 40

Botanical Name: Hymenocallis littoralis

USDA Zones: 9-11

Spider Lily is an elegant indoor plant with pristine white flowers that radiate from a round center, creating a spider-like appearance.

Here is our Red Spider Lily Care and Growing Guide

41. Bush Clockvine

Botanical Name: Thunbergia Erecta

USDA Zones: 10-11

This plant boasts clusters of trumpet flowers that will add a vibrant touch to your garden. The dramatic lavender-blue flowers stand out against the dark green heart-shaped leaves.

42. Geranium

Botanical Name: Pelargonium

USDA Zones: 9-11

While they are typically grown as annuals in most zones, they can thrive as evergreen perennials in the warmer zones.

43. Bleeding Heart

Perennial Flowers that Bloom All Summer 43

Botanical Name: Lamprocapnos spectabilis

USDA Zones: 3-9

An herbaceous perennial, it is an attractive plant with arching sprays of heart-shaped pink flowers. It grows best in moist, well-drained soil in partial shade.

Here are the Best Heart-Shaped plants for indoors 

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