14 Longest Blooming Perennials that Flower All Summer Long

Looking for plants that will provide beautiful blooms all summer long? Long flowering perennials are especially perfect for small gardens, offering months of blooms without taking up precious space. In my small space I want plants to work ‘harder’ and flower for longer!

Each blooming perennial on this list can thrive in compact areas, meaning you can enjoy a vibrant garden year-round, even in limited space.

Which perennial plants bloom the longest?

Each flowering perennial is known for its long blooming periods through the summer. Add them to your garden to provide continuous color and beauty throughout the summer months!

The list also includes the longest blooming perennial that you can add to your garden!

1. Coneflowers (Echinacea)

Long-lasting blooms, check. Low maintenance, check! Echinacea is tough, drought-tolerant, and resistant to pests and diseases, making it a no-fuss, reliable choice that adds a splash of fearless color and vitality all summer long.

This resilient plant attracts pollinators like bees and butterflies, turning your garden into a buzzing, lively haven. Its daisy-like flowers come in shades of purple, pink, yellow, and white.

2. Bee Balm (Monarda) 

Bee Balm is the ultimate summer showstopper, with its fiery red, pink, and purple blooms that draw in hummingbirds and butterflies like a magnet.

This hardy perennial not only adds a wild burst of color to your garden but also stands up to heat and humidity like a true champion, making it a low-maintenance, high-impact choice.

3. Salvia

Salvia is a summer garden powerhouse, flaunting bold spikes of blue, purple, and red flowers that just keep coming. This tough-as-nails perennial not only thrives in heat but also resists drought and pests, making it a fierce, vibrant choice for nonstop color.

4. Black-eyed Susan (Rudbeckia) 

Black-eyed Susan is the garden’s ray of sunshine, with its bright yellow petals and dark centers stealing the show all summer long. This tough perennial shrugs off heat and drought, delivering relentless, eye-catching color all summer long.

5. Daylily (Hemerocallis)

Daylilies are the summer MVPs, offering a daily dose of cheerful blooms that dance in the sun. With their diverse colors and reliable performance, they’re the garden’s secret to endless summer joy.

6. Catmint (Nepeta)

Catmint is the cool cat of the summer garden, spreading waves of lavender-blue blooms that butterflies can’t resist. With its aromatic leaves and non-stop flowering, it’s the purr-fect choice for adding charm and whimsy to your garden oasis.

7. Stonecrop (Sedum)

Sedum is the summer superhero of the garden, flaunting succulent leaves and starry blooms that thrive even in the hottest spots. With its low-maintenance attitude and vibrant colors, it’s the go-to plant for adding a touch of whimsy and resilience to your outdoor paradise.

8. Phlox

Phlox is the summer superstar, bursting with clusters of candy-colored blooms that perfume the air with sweet nostalgia. With its playful hues and enduring charm, it’s the must-have plant for turning your garden into a vibrant, fragrant paradise all season long.

9. Lavender 

Lavender is the garden’s fragrant diva, strutting its stuff with purple blooms that beckon bees and butterflies alike. With its soothing scent and endless blooms, it’s the ultimate summer essential for adding a touch of relaxation and beauty to your outdoor retreat.

10. Hardy Geraniums

Hardy geranium is the garden’s unsung hero, popping up in cheerful hues and blooming tirelessly throughout summer. With its easy charm and resilience, it’s the perfect companion for adding a splash of color and joy to your outdoor oasis.

11. Penstemons 

Penstemons are a garden favorite, offering vibrant, tubular blooms that attract hummingbirds all summer long. With their easy care and cheerful colors, they add a delightful splash of beauty and joy to any summer garden.

12. Bellflowers (Campanula)

Campanula, or bellflower, adds a touch of enchantment to your garden with its delicate, bell-shaped blooms that last all summer. This easy-to-grow perennial thrives in various conditions, making it a delightful and reliable choice for continuous color and charm.

13. Fleabane (Erigeron)

Erigeron, or fleabane, brightens up your garden with its charming daisy-like flowers that bloom all summer long. This hardy perennial is low-maintenance and versatile, making it a friendly choice for adding continuous color and cheer to your garden.

14. Gaillardia

Gaillardia, or blanket flower, brings a cheerful burst of color to your garden all summer long with its vibrant, sun-kissed blooms. This easygoing perennial thrives with minimal care, making it a delightful addition to any summer garden.

Gaillardia is generally considered to be the longest blooming perennial, with flowers that last from late spring well into the fall.