10 Red Perennial Flowers That Bloom All Summer

Looking to liven up your landscape with red perennial flowers that bloom all summer? Then this article is for you!

Flowers species that show off red petals during June, July, August, and September include Hibiscus Flower, Coneflowers, Blanket Flower, Salvia, Hattie’s pincushion, Bleeding Heart, Cardinal Flowers, Azalea, Dahlia, Columbine, and Crape Myrtle.

If you want to know more about these fascinating blossoms, keep reading as we discuss their key features and characteristics.

1. Hibiscus Flower

  • Family: Malvaceae
  • Bloom Time: Summer, fall, year-round
  • Life Cycle: Annual, perennial, herbaceous 
  • USDA Hardiness Zones: 5 to 11

The Hibiscus genus represents a large selection of flowering plants with hundreds of species, varieties, and hybrids.

Native to Asia and North America, Hibiscus rosa-sinensis (commonly called Shoeblack plant) is a tropical cultivar of this plant that best suits warmer climates.

If you want something sturdier for colder climates, the Hibiscus syriacus (commonly known as Rose of Sharon) should be right up your alley!

Hibiscus plants are generally medium-sized. They can reach a maximum height of 10 to 12 feet and maximum width of 8 to 10 feet.

Also, they can attract hummingbirds, butterflies, and bees.

Hibiscus flowers are large, showy, and possess crepe-shaped petals. These impressive blossoms come in various shades of red, purple, pink, yellow, orange, and white.

Hibiscus are resistant to heat and salt conditions. They grow best in full sun and moist, well-drained soil.

2. Coneflowers

  • Family: Asteraceae
  • Bloom Time: Summer
  • Life Cycle: Perennial, herbaceous
  • USDA Hardiness Zones: 3 to 10
lazy eyed susans

You may be familiar with the Coneflower of the Rudbeckia genus, but today we’re now talking about the Confeflower of the Echinacea genus.

Echinacea plants produce delicate blooms with a daisy-like appearance in colors red, pink, orange, yellow, and white. Their petals are arranged as ray florets with a central cone-shaped disc.

Highly resistant to heat and drought, Coneflowers are hassle-free when it comes to maintenance. They thrive in full sun, reaching a height of 5 feet and a spread of 2 feet.

Coneflowers often symbolize health and vitality. They provide medicinal benefits in various conditions including flu, colds, inflammation, increased blood sugar levels, and compromised immunity.

3. Blanket Flower

  • Family: Asteraceae
  • Bloom Time: Summer, fall
  • Life Cycle: Perennial, annual, herbaceous
  • USDA Hardiness Zones: 2 to 10

Originating in North America, the Blanket Flower is known as Gaillardia in the scientific field. These plants produce dainty daisy-shaped blossoms with thin ray florets and an oversized dark central disk.

Blanket Flowers come in various shades of red, orange, yellow, peach, purple, and brown.

The vibrancy of their colors is exactly how their common name was inspired. It’s a tribute to the blankets made by Native Americans that feature bold patterns and bright colors.

Blanket Flowers are easy to grow and demand fuss-free care. These plants are extremely tolerant to drought once established, so they’re ideal for numb fingers.

Small to medium-sized, Blanket Flowers can reach a height of up to 3 feet tall and a width of up to 2 feet. They thrive in full sun and poor, well-drained soil.

Also Check: Anemone vs. Poppy: All You Need to Know

4. Salvia 

  • Family: Lamiaceae
  • Bloom Time: Summer, fall
  • Life Cycle: Perennial 
  • USDA Hardiness Zones: 4 to 10

Salvia plants are part of the mint family that hails from North America and Mexico. You probably know them by their common name Garden Sage.

Salvia plants produce tubular, upright blooms. They give off a camphor-like scent and are available in bright shades of red, purple, pink, blue, yellow, and white.

Salvia splendens, in particular, have deep red blossoms that gave the plant its common name; Scarlet Sage.

Salvia plants thrive in full sun and well-drained soil. They don’t require frequent watering and can grow up to 5 feet tall and 4 feet wide.

The word ‘Salvia’ is derived from the Latin word “salvere”, which means “to heal”. This goes to show the plant’s medicinal uses in treating conditions such as diarrhea, inflammation, ulcers, seizure, dizziness, gout, rheumatism, and high blood sugar.

Additionally, Salvia flowers are great for attracting butterflies and hummingbirds.

5. Bleeding Hearts

  • Family: Papaveraceae
  • Bloom Time: Spring, summer
  • Life Cycle: Perennial, herbaceous
  • USDA Hardiness Zones: 2 to 9
Open bleeding heart blooms hanging on plant

Botanically known as Lamprocapnos spectabilis, Bleeding hearts belong to the Dicentra genus. Other common names for this plant include Lady’s Locket, Lady-in-a-Boat, Tearing Hearts, Lyre Flower, and Chinese Pants.

Bleeding Hearts get their name from the appearance of their flowers. These blooms look like little heart-shaped pendants hanging from the stems.

The “blood” part of the name refers to the pair of spurs sticking out of the bottom of each bloom, making it look like a heart that’s dripping blood. 

Originating from eastern Asia (particularly Japan and Korea), Bleeding Hearts are considered a symbol of love, romance, passions, purity, and sacrifice in the language of flowers.

These plants thrive in shade and prefer rich, moist soil. They blossom in brilliant shades of red, pink, or white.

6. Cardinal Flowers

  • Family: Campanulaceae 
  • Bloom Time: Summer, fall
  • Life Cycle: Perennial, herbaceous
  • USDA Hardiness Zones: 2 to 9

Known as Lobelia cardinalis in the botanical scene, the Cardinal Flower is indigenous to North, Central, and South America.

Other common names for Cardinal Flowers include Water Gladiole, Bog Sage, Red Bay, and Hog’s Physic.

The Cardinal Flower plant has a relatively small size. They can reach a maximum height of 4 feet and a maximum spread of 2 feet.

Cardinal Flowers are fuss-free when it comes to growth and maintenance. However, you should handle them with extra care because ingesting the plant’s parts can be highly poisonous to people and animals.

The Cardinal Flower plant blooms during July and lasts till September. It blossoms into clusters of small tubular flowers with slender, tapered petals in shades of bright red, pink, and white.

Cardinal Flowers thrive in full sun to partial shade. They prefer moist to wet soil with frequent watering.

7. Azalea

  • Family: Ericaceae
  • Bloom Time: Spring, summer
  • Life Cycle: Perennial, evergreen/deciduous, shrub
  • USDA Hardiness Zones: 3 to 11

Azalea flowers belong to a genus known as Rhododendron, which contains more than 1,000 species of flowering, woody plants.

Native to North America, Europe, Asia, and Northern Australia, Azalea plants are small to medium in size. They can grow to a maximum height and spread between 3 and 20 feet.

Azaleas are a sight to behold when they bloom, producing clusters of bell-shaped or tubular blooms among evergreen foliage. They offer a fantastic range of brilliant colors from red and pink shades to purple and white hues.

A symbol of temptation and caution, Azalea flowers and other parts of the plant can be highly toxic to people and pets (especially grazing animals). This is due to compounds known as andromedotoxin and grayanotoxin.

Azalea flowers thrive in partial sun and light, well-drained soil with plenty of water.

8. Dahlia

  • Family: Asteraceae
  • Bloom Time: Summer Fall
  • Life Cycle: Perennial, bulb
  • USDA Hardiness Zones: 3 to 11
Close up of Dahlia flower

Originating from South America and Central America, the Dahlia genus consists of more than 40 species of flowering plants. They’re small-sized plants, reaching a maximum of 6 feet high and 3 feet wide.

Dahlias produce flowers in just about every shade you can think of, including red, purple, pink, yellow, orange, and white. Their blooms come in various shapes and patterns of multi-ring arrangements of petals.

Dahlias are Mexico’s national flower. They’re also the official flower of both San Francisco and Seattle.

Representing beauty and elegance, Dahlias do best in full sun and loamy, well-drained soil. 

9. Columbine

  • Family: Ranunculaceae
  • Bloom Time: Spring, summer
  • Life Cycle: Perennial
  • USDA Hardiness Zones: 3 to 8

Botanically known as Aquilegia canadensis, Columbine plants are native to North America, Asia, and Europe. They belong to a genus of small-sized plants that grow up to 3 feet high and 2 feet wide.

Other common names for Columbine include eastern red columbine, Canadian columbine, and wild red columbine. These plants generally pot well and can tolerate drought.

Blooming from July to September, Columbine flowers feature prominent spurs and have a distinct outline of a jester’s hat. They come not only in red shades, but also in violet, pink, blue, orange, yellow, purple, and white.

Columbine plants do best in partial shade and sandy, well-drained soil with moderate watering.

Read more: Hepatica vs Anemone: What’s the Difference?

10. Crape Myrtle

  • Family: Lythraceae
  • Bloom Time: Summer, fall
  • Life Cycle: Deciduous, tree (large shrub)
  • USDA Hardiness Zones: 6 to 9

Last but not least, we’re looking at Crape Myrtle. This flower is botanically known as Lagerstroemia indica and it hails from China, Japan, Indochina, and the Himalayas.

The common name of the plant is inspired by the appearance of its leaves, which look like tiny myrtles.

Crape Myrtle blooms from July till September, providing showy flowers throughout the whole summer. These blossoms come in vibrant shades of red, burgundy, purple, lavender, mauve, pale blue, pink, and white.

Crape Myrtle is a relatively small to medium tree that can grow to a maximum height of 25 to 30 feet and maximum width of 15 to 20 feet. It thrives in full sun and needs moderately moist, well-drained soil.

Although this flower doesn’t require fertilizer, you’ll need to water it more often than most trees. Once established, it can tolerate drought quite well.

Wrap Up

There you have it, 10 red perennial flowers that bloom all summer. Any of these blooms will surely add a pop of color to your garden during the sunny season.