Top 15 Summer Flowers That Love the Heat

Garden Plants
By Ella Brown

Summer is a time of warmth and sunshine, and certain flowers thrive in these conditions. These resilient blooms not only survive but flourish in the heat, bringing vibrant colors to gardens and landscapes. Here, we explore fifteen incredible summer flowers that love basking in the sun, each with its unique charm and beauty.

1. Zinnia

© Highland Orchards

Zinnias are a gardener’s delight, thriving in the sun with their bright and bold colors. Known for their resilience, zinnias flourish even in hot summers. These flowers are perfect for adding a pop of color to any garden.

Their sturdy nature makes them a favorite among novice gardeners. Zinnias come in various shapes and sizes, offering endless possibilities for creative garden designs.

They attract butterflies, enhancing the garden’s beauty. Fun fact: Zinnias symbolize lasting affection, making them a lovely gift for loved ones.

2. Marigold (Tagetes)

© Garden Design

Marigolds are sun-loving beauties, known for their vibrant hues of orange and yellow. These flowers are not only visually appealing but also serve as natural pest repellents.

Their hardy nature allows them to withstand hot summer days without wilting. Marigolds are often used in cultural celebrations, symbolizing positivity and prosperity.

Their easy maintenance makes them a go-to choice for gardeners. Did you know? Marigolds are often associated with the sun due to their radiant colors.

3. Portulaca (Moss Rose)

© Martha Stewart

Portulacas, often known as Moss Roses, are true sun worshippers. These succulent-like flowers thrive in rocky and sandy soils, making them ideal for hot climates.

Their vibrant petals open wide during sunny days, creating a cheerful display. Portulacas are drought-tolerant, requiring minimal watering.

Their low-growing habit makes them perfect for ground cover. A quirky fact: Portulacas close up at night, only revealing their beauty when the sun shines bright.

4. Lantana

© Amazon.com

Lantanas are a burst of color in any summer landscape. Their clusters of flowers in various shades attract pollinators like hummingbirds and butterflies. Lantanas are low-maintenance, thriving in full sun and heat.

Their bushy nature makes them excellent for hedges and borders. Lantana flowers change colors as they age, creating a dynamic display of hues.

Fun fact: In some cultures, Lantanas are believed to bring good luck to gardens.

5. Vinca (Periwinkle)

© The Spruce

Vincas, also known as Periwinkles, are heat-loving flowers that bring elegance to gardens. Their glossy leaves and delicate flowers are a visual treat.

Vincas are known for their ability to thrive in hot, dry conditions, making them perfect for summer planting. They require little maintenance, blooming continuously throughout the season.

Their subtle fragrance adds a soothing touch to any garden. Interesting tidbit: Vincas are often used in traditional medicine for their healing properties.

6. Cosmos

© Mississippi State University Extension Service |

Cosmos are graceful summer flowers that dance with the wind. Their tall, slender stems and delicate petals create a dreamy garden atmosphere.

Cosmos thrive in full sun, preferring well-drained soil. They are drought-tolerant, making them ideal for hot climates.

These flowers attract birds and butterflies, adding life to any garden. Little known fact: Cosmos are often associated with order and harmony due to their symmetrical petals.

7. Celosia

© Martha Stewart

Celosias are known for their striking, flame-shaped blooms. These flowers thrive in sunlit areas, adding dramatic flair to gardens.

Their vivid colors and unique textures make them stand out in any floral arrangement. Celosias are heat-tolerant and easy to grow, requiring minimal care.

They make excellent cut flowers, lasting long in vases. Did you know? Celosia is often called “cockscomb” due to its resemblance to a rooster’s comb.

8. Gomphrena (Globe Amaranth)

© Epic Gardening

Gomphrenas, or Globe Amaranths, are robust summer blooms with charming, round flower heads. Their unique shape adds a playful touch to any garden.

These flowers are drought-resistant, thriving in sunny, dry environments. Gomphrenas are easy to grow, making them ideal for beginners.

They are often used in dried floral arrangements due to their long-lasting nature. Fun fact: Gomphrenas are believed to symbolize immortality in some cultures.

9. Black-eyed Susan (Rudbeckia)

© Gardener’s Path

Black-eyed Susans are classic summer flowers, known for their sunny disposition. With bright yellow petals and distinctive dark centers, they brighten up any garden.

These flowers are heat and drought-tolerant, flourishing in sunny spots. Black-eyed Susans attract pollinators, promoting a healthy garden ecosystem.

They are low-maintenance, making them a popular choice for garden enthusiasts. Interesting fact: Black-eyed Susans are often associated with encouragement and motivation.

10. Blanket Flower (Gaillardia)

© Southern Living

Blanket Flowers, or Gaillardias, are known for their fiery, sunburst-like blooms. These flowers love basking in the sun, thriving in hot, dry conditions.

Their striking colors add a warm touch to any garden space. Blanket Flowers are perennial, offering beauty year after year with minimal upkeep.

They attract butterflies, enhancing the garden’s vibrancy. Fun tidbit: Gaillardias are named after an 18th-century French botanist, Gaillard de Marentonneau.

11. Salvia (Annual and Perennial varieties)

© Proven Winners

Salvias are versatile summer blooms, available in both annual and perennial varieties. Their tall spikes of flowers create a vertical element in garden design.

Salvias are heat-tolerant, thriving in sunny locations. They attract pollinators like bees and hummingbirds, promoting biodiversity.

These flowers are easy to grow, requiring little maintenance. Did you know? Salvia’s name comes from the Latin word ‘salvare’, meaning ‘to heal’, reflecting its use in traditional remedies.

12. Coreopsis

© Veranda

Coreopsis, often called “Tickseed”, brings sunshine to gardens with its cheerful yellow blooms. These flowers are sun lovers, thriving in hot, dry conditions.

Their long blooming season ensures a garden full of color throughout the summer. Coreopsis is easy to care for, making it a great choice for both novice and experienced gardeners.

They attract butterflies, adding charm and life to outdoor spaces. Fun fact: Coreopsis is the state wildflower of Florida.

13. Coneflower (Echinacea)

© High Country Gardens

Coneflowers, or Echinacea, are resilient summer blooms with a wildflower charm. Their daisy-like petals and prominent cones are a favorite among gardeners.

These flowers are drought-tolerant, thriving in sunny spots. Coneflowers attract pollinators, supporting a healthy ecosystem.

They are known for their medicinal properties, often used in herbal remedies. Interesting tidbit: Echinacea is derived from the Greek word ‘echinos’, meaning hedgehog, referring to the flower’s spiky cone.

14. Sunflower (Helianthus)

© Gardening Know How

Sunflowers, or Helianthus, are iconic symbols of summer. With their towering height and bright yellow blooms, they bring joy to any landscape.

Sunflowers are remarkably heat-tolerant, thriving in sunny conditions. Their large flower heads track the sun, a phenomenon known as heliotropism.

These flowers provide seeds that are a favorite among birds. Fun fact: Sunflowers can grow up to 12 feet tall, making them a striking garden feature.

15. Gaura (Whirling Butterflies)

© GrowJoy

Gaura, commonly known as Whirling Butterflies, adds a touch of elegance to summer gardens. Their delicate pink and white flowers resemble butterflies in flight.

These flowers are heat-tolerant, thriving in sunny, well-drained soils. Gaura’s airy appearance provides a soft texture to garden designs.

They are low-maintenance, blooming throughout the summer. Did you know? Gaura is native to North America, often found in prairies and meadows.