15 Heat-Tolerant Trailing Plants That Thrive in Full Sun All Summer Long

Seasonal Gardening
By Jasmine Hughes

Discover the beauty of trailing plants that flourish in the summer sun, bringing vibrant colors and lush greenery to your garden.

These heat-tolerant species are perfect for hanging baskets, window boxes, and garden beds, thriving under blazing sunlight with ease. Let’s explore these 15 delightful plants that will transform your sunny spaces into a cascading oasis.

1. Trailing Lantana

© Plants Express

Trailing Lantana is a vibrant addition to any garden, flaunting clusters of purple and orange blossoms. This hardy plant thrives in full sun, showcasing its resilience by enduring the hottest of summer days.

Its sprawling nature makes it perfect for hanging baskets, allowing its colorful blooms to cascade gracefully. Lantana is drought-tolerant, reducing the stress of constant watering, and attracts butterflies, adding a lively atmosphere to your garden.

With minimal care requirements, it’s an excellent choice for both novice and experienced gardeners. Incorporate this beauty into your garden for a splash of color and charm.

2. Creeping Jenny

© Country Living Magazine

Creeping Jenny, or Lysimachia nummularia, is a versatile ground cover admired for its trailing habit and bright green foliage. This resilient perennial thrives in full sun, making it perfect for sunny garden spots or containers.

It sprawls delightfully over the soil or pot edges, creating a lush green carpet. Its ability to handle heat and occasional dry spells makes it a low-maintenance choice.

Ideal for hanging baskets or window boxes, Creeping Jenny adds a splash of vibrant color and an elegant draping effect. Its simple charm and adaptability make it a garden staple.

3. Bacopa

© Pacific Nurseries

Bacopa, known for its delicate trailing habit and small, white flowers, is a charming choice for sunny gardens. This plant thrives in full sun, displaying an abundance of blossoms that create a soft, cascading effect.

Its lush, green foliage complements the gentle blooms, making it a versatile addition. Ideal for hanging baskets or mixed planters, Bacopa provides continuous interest throughout the summer months.

Despite its delicate appearance, it’s surprisingly hardy, requiring only regular watering and occasional deadheading to maintain its beauty. Bacopa effortlessly enhances your garden with elegance and grace.

4. Trailing Verbena

© Trailing Petunia

Trailing Verbena is a must-have for sun-drenched gardens, offering a profusion of pink and purple flowers. These vibrant blooms attract butterflies, adding life to garden spaces.

Known for its heat tolerance, Verbena flourishes in the intense summer sun, making it ideal for hot climates. Its cascading habit is perfect for hanging baskets, window boxes, or garden walls, providing a stunning floral display that lasts throughout the season.

Minimal watering and deadheading are all it needs to thrive, making it a low-maintenance yet high-impact choice for any garden.

5. Black-Eyed Susan Vine

© House of Hawthornes

Black-Eyed Susan Vine, or Thunbergia alata, is cherished for its bright, cheerful blooms. The vine’s striking orange-yellow flowers with dark centers create a dazzling display against its deep green leaves.

Thriving in full sun, it offers a robust trailing habit perfect for trellises and hanging baskets. This vine adds vertical interest and a touch of whimsy to sunny gardens.

Easy to grow, it prefers well-drained soil and regular watering to maintain its lush appearance. Black-Eyed Susan Vine’s vibrant colors and resilience make it a standout choice for summer-long beauty.

6. Portulaca

© Sugar Creek Gardens

Portulaca, commonly known as Moss Rose, is a sun-loving succulent that thrives in hot, arid conditions. Its vibrant blooms, ranging from pink to yellow to orange, open in the sunlight, creating a stunning carpet of color.

Perfect for rock gardens or containers, Portulaca’s drought-tolerant nature makes it a favorite for low-maintenance gardening. The succulent-like leaves retain moisture, reducing watering needs.

Simple care and its ability to withstand summer’s heat make Portulaca a star in any full-sun setting. Its cheerful flowers and hardiness ensure a lively display all season long.

7. Lotus Vine

© PlantIn

Lotus Vine, or Lotus berthelotii, captivates with its exotic, beak-shaped red flowers and soft, silver-green foliage. This unique plant thrives in full sun, making it perfect for adding a splash of color to summer gardens.

Its trailing habit is ideal for hanging baskets or over the edge of containers. Lotus Vine requires minimal care, preferring well-drained soil and occasional watering.

Its striking appearance and heat tolerance make it a standout choice for gardeners seeking something different. Incorporate Lotus Vine for an exotic flair that endures the summer’s heat.

8. Prostrate Rosemary

© PlantMaster

Prostrate Rosemary is a versatile herb known for its aromatic leaves and trailing nature. Its needle-like foliage and small, purple flowers add texture and fragrance to sunny gardens.

Thriving in full sun, it cascades beautifully over walls or from containers, providing an evergreen presence. Perfect for culinary use, it blends functionality with aesthetics.

Prostrate Rosemary requires well-drained soil and minimal watering once established, making it easy to maintain. Its resilience and multifunctionality make it a valuable addition to any garden, offering both beauty and utility all summer long.

9. Trailing Pansy

© HGTV

Trailing Pansy is a delightful choice for adding color to sunny spaces. Its multicolored blooms in shades of purple, yellow, and white bring vibrancy to gardens.

Known for its trailing habit, it works well in window boxes or hanging baskets, providing a cheerful cascade of flowers. This plant thrives in full sun, though it appreciates some afternoon shade in extremely hot climates.

Regular watering and deadheading keep it blooming profusely. Trailing Pansy’s charming appearance and easy care make it a popular choice for brightening up summer gardens.

10. Trailing Lobelia

© Amazon.com

Trailing Lobelia is adored for its delicate, sky-blue flowers and lush foliage. Ideal for hanging baskets, this plant provides a cascading effect that adds elegance to sunny gardens.

It thrives in full sun, blooming profusely throughout the warmer months. Despite its delicate appearance, Lobelia is surprisingly robust, requiring regular watering to maintain its lush growth.

Its graceful, trailing habit complements other sun-loving plants, making it a staple in mixed plantings. Trailing Lobelia’s cool hues and resilience make it a cherished choice for summer displays.

11. Sweet Potato Vine

© eBay

Sweet Potato Vine is celebrated for its lush foliage, available in striking shades of lime green and deep purple. This ornamental plant is not only heat-tolerant but also incredibly easy to maintain, making it a favorite among garden enthusiasts.

Its fast-growing vines can quickly fill a planter, cascading beautifully over the edges. Positioned in full sun, the Sweet Potato Vine thrives, bringing a tropical vibe to your outdoor spaces.

Perfect for mixed displays, it adds texture and contrast. Regular trimming encourages bushier growth, ensuring a full, vibrant display throughout the summer.

12. Vinca Major

© Plant Toolbox – NC State University

Vinca Major, often called Bigleaf Periwinkle, is valued for its glossy green leaves and striking periwinkle blue flowers. This robust plant thrives in full sun, making it ideal for tough spots in the garden where other plants might struggle.

Its trailing habit is perfect for borders or containers, providing ground cover with minimal maintenance. Vinca Major requires little more than well-drained soil and occasional watering to flourish.

Its ability to withstand heat and drought makes it a practical and attractive addition to any sunlit area, ensuring vibrant blooms all summer.

13. Trailing Petunia

© Swallowtail Garden Seeds

Trailing Petunia is a garden favorite, known for its abundant blooms in shades of pink, purple, and white. Perfect for hanging baskets or window boxes, it provides a spectacular cascade of color.

Thriving in full sun, it blooms continuously throughout the summer. Regular watering and occasional fertilizing keep the plant flourishing. Trailing Petunia’s resilience against heat and its vibrant display make it a top choice for gardeners seeking lasting beauty.

Its cheerful flowers brighten any garden space, offering a stunning visual treat from early summer to fall.

14. Asparagus Fern

© Monrovia

Asparagus Fern, known for its feathery, delicate foliage, adds an elegant touch to sunny patios and gardens. Its trailing habit is perfect for containers, where it can cascade over the edges, creating a lush appearance.

Despite its fern-like looks, it thrives in full sun, showcasing surprising heat tolerance. This plant prefers well-drained soil and regular watering, maintaining its vibrant green through the hottest months.

Asparagus Fern’s unique texture and easy upkeep make it an excellent choice for adding interest to outdoor spaces. Its adaptability ensures it remains a favorite among gardeners.

15. Ivy Geranium

© Amazon.com

Ivy Geranium is a delightful addition to sunny gardens, offering vibrant red and pink blooms. Its glossy green leaves and trailing habit make it perfect for window boxes or hanging baskets.

This plant thrives in full sun, providing a continuous splash of color throughout the season. Regular watering and deadheading promote lush growth and abundant flowering.

Ivy Geranium’s ability to withstand heat and its low-maintenance nature make it a popular choice for brightening up outdoor spaces. Its cheerful flowers and cascading form ensure a captivating display all summer long.