10 Plants That Like Full Sun and Heat for Outdoor Spaces

Flowers That Thrive in Full Sun Environments
Source: Canva

If you find yourself blessed with a sun-drenched garden and in need of advice on thriving plants, selecting the right ones becomes crucial. Just picture it – envision the beauty of those flowers in your garden, each petal soaking up the warm sun, painting a mesmerizing scene of color and fragrance.

That’s why in this guide, I’m excited to share my favorite low-maintenance flowering plants, perfect for basking in the radiant warmth of the sun and helping you cultivate a truly vibrant and flourishing outdoor haven.

Discover the Plants That Like Full Sun and Heat for Your Garden or Outdoor Spaces:

1. Brown-Eyed Susan (Rudbeckia triloba)

Brown-Eyed Susan  - Flowers That Thrive in Full Sun

For your sun-loving garden, Brown-Eyed Susan (Rudbeckia triloba) is a fantastic choice. This delightful perennial, reaching 2 to 5 feet in height and spreading equally wide if given room, is renowned for its bright yellow daisies with brown centers that bloom prolifically from late summer into fall.

It thrives in full sun or partial shade and is quite adaptable to various soil types. Interestingly, the Brown-Eyed Susan prefers a soil pH range of 5.5 to 7, making it quite accommodating to most garden soils across the United States.

Brown-Eyed Susan is not just a visual treat; it’s also a boon for wildlife. It supports a wide array of pollinators with its nectar and pollen, and its seeds are a food source for birds in the fall. Plus, it’s a self-seeder, ensuring a continuous display year after year, though you might want to manage its spread in more formal garden settings​​.

Their dainty appearance, featuring well-spread blooms, can be enhanced by pairing with low-lying perennials like Salvia and Speedwell to maintain an aesthetically pleasing look even when their foliage starts to wane.

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2. Russian Sage (Perovskia atriplicifolia)

Russian Sage  - Flowers That Thrive in Full Sun

Russian Sage, or Perovskia atriplicifolia, is truly one of the easiest plants to grow in full sun, boasting striking lavender-blue flowers on slender spikes that add a unique texture with their silver-gray foliage.

Standing up to 4 feet tall, it’s perfect for elevating your garden’s profile, whether in borders or cottage gardens. What’s more, it’s incredibly resilient, thriving in both the winter chill and summer heat, making it a top pick for low-maintenance outdoor plants in full sun.

Ideal for well-draining soil, it’s suited for USDA zones 4 to 9 and prefers alkaline soils with a pH of 7 and above, though it’s quite adaptable across a pH range of 6.5 to 8.0. This makes Russian Sage a fantastic choice for gardeners looking for full sun plants for their front yard, especially in areas that experience both extreme heat and cold.

3. Lavender (Lavandula angustifolia)

Lavender  - Flowers That Thrive in Full Sun

Lavender, particularly Lavandula angustifolia, shines in gardens graced by the full embrace of the sun. Its signature purple blossoms and silver-green leaves make it a standout among the easiest plants to grow in full sun.

Thriving in well-drained soil, Lavender prefers a slightly alkaline setting with a pH between 6.7 and 7.3, reaching a mature size of 2 to 3 feet in both height and spread. This resilience to hot, dry conditions positions Lavender as a prime choice for low-maintenance gardens, continuously blooming throughout summer and offering lasting color.

Ideal for adding structure to borders, rock gardens, or infusing pathways with its aromatic presence, Lavender fulfills multiple roles in the garden. Its versatility extends beyond visual appeal, finding utility in culinary, crafting, and therapeutic applications.

As a full sun plant for the front yard, Lavender not only enhances curb appeal but also invites a variety of pollinators, enriching the garden’s biodiversity.

4. Daylily (Hemerocallis)

Daylily  - Easiest Plant to Grow in Full Sun

Daylilies, known scientifically as Hemerocallis, are among the most versatile and forgiving plants for full sun environments. Their trumpet-shaped blooms come in a kaleidoscope of colors, including yellows, oranges, pinks, and purples, making them a vibrant addition to any garden setting.

Daylilies can grow up to 4 feet tall, depending on the variety, and are celebrated for their ability to produce a profusion of flowers from early spring to late summer. They adapt well to a wide range of soil types, but they thrive best in well-drained soils with a pH of approximately 6.3 to 6.8, which is slightly acidic.

What makes Daylilies particularly appealing is their low maintenance; they require minimal care once established, making them an excellent choice for both novice and experienced gardeners alike. Their robust nature and long blooming season make them a staple in perennial borders, containers, and as colorful ground cover.

5. Shasta Daisy (Leucanthemum x superbum)

Shasta Daisy  - Flowers That Thrive in Full Sun

The Shasta Daisy is a classic perennial that brings a bright, cheerful presence to the full-sun garden. With its large, daisy-like flowers featuring white petals and sunny yellow centers, it’s a symbol of summer’s charm.

Shasta Daisies can grow up to 3 feet tall, making them a perfect choice for adding vertical interest to your garden beds or borders. They are known for their hardiness and minimal care requirements. Shasta Daisy thrives in well-drained soil, ideally with a pH ranging from 6.0 to 8.0, making them quite adaptable.

Plant them in groups for a more dramatic effect and enjoy continuous blooming throughout the summer by deadheading spent flowers. Their classic beauty and low maintenance make Shasta Daisies an excellent choice for beginner gardeners looking for reliable blooms.

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6. Rose Mallow (Hibiscus moscheutos)

Rose Mallow  - Flowers That Thrive in Full Sun

As you can see in the picture, Rose Mallow, with its stunning, large blooms, brings a touch of the tropics to temperate gardens. This robust perennial can reach heights of 3 to 7 feet, showcasing its large, hollyhock-like flowers in shades of pink, red, and white, often with a contrasting deep red center.

The impressive size of its blooms, which can measure up to 8 inches across, makes Rose Mallow a showstopper in any sunny location. It’s particularly well-suited for moist, well-drained soil with a pH value of 5.5-7 and can even tolerate standing water, making it a versatile choice for various garden settings.

Besides its visual appeal, Rose Mallow is a magnet for pollinators like bees, butterflies, and hummingbirds, adding life and movement to your garden. Despite its exotic appearance, Rose Mallow is quite hardy and can withstand the heat and humidity of summer, making it a low-maintenance option for those looking to add a dramatic flair to their garden​.

7. Blazing Star (Liatris spp.)

Blazing Star Liatris - Flowers That Thrive in Full Sun

Blazing Star is a standout in gardens, particularly for those seeking vibrant, full-sun plants. Thriving in a soil pH of 5.5 to 7.5, it’s a low-maintenance perennial ideal for gardeners desiring minimal upkeep.

Native to North America, Blazing Stars grow 1 to 5 feet tall and boast unique spikes of purple or white flowers that bloom from top to bottom in mid to late summer, making them perfect for full sun plants for the front yard and attracting butterflies and hummingbirds.

Well-suited for areas that receive full sun and heat, the Blazing Star is a champion among outdoor plants that like direct sunlight, requiring little once established. Its drought tolerance underscores its status as a carefree choice.

Whether enhancing your garden’s aesthetics or seeking resilient, sun-loving blooms, the Blazing Star is a reliable and picturesque addition, embodying the essence of easy-care, sun-thriving flora.

8. Catmint (Nepeta spp.)

Catmint Nepeta - Flowers That Thrive in Full Sun

Catmint, also known as Nepeta spp., is a delightful addition to sunny gardens, offering both resilience and versatility. It’s a breeze to care for, thriving in full sun and tolerating some afternoon shade in hotter climates. Plus, it’s not picky about soil pH, happily growing in a wide range from 5.0 to 8.0.

When planting, opting for nursery-grown plants ensures reliable results, as some hybrids might not grow true from seed. Once settled, Catmint is quite self-sufficient, becoming drought-tolerant over time and typically eschewing the need for fertilization.

To encourage a second burst of blooms, a bit of pruning after the initial flowering cycle does wonders. With a variety of cultivars boasting blooms from early June to late October in shades ranging from lavender to almost whitish blue, Catmint adds both charm and hardiness to any garden.

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9. Rose Campion (Lychnis coronaria)

Rose Campion - Flowers That Thrive in Full Sun

Rose Campion, or Lychnis coronaria, is a radiant addition to gardens, especially for those desiring low-maintenance outdoor plants that thrive in full sun. Originating from Europe, this perennial boasts silvery-grey foliage and abundant magenta flowers blooming from late spring to early summer, attracting bees and butterflies.

It flourishes in sunny locations and adapts well to various soil types and pH levels. Growing to heights of 24 to 36 inches, it’s perfect for front yard landscapes or as a border plant. Its drought tolerance makes it ideal for hot climates, embodying the essence of plants that like full sun and heat.

With its vibrant display and easy-care nature, Rose Campion is a top choice for gardeners seeking annual flowers that thrive in full sun, ensuring a stunning garden with minimal effort.

10. Veronica (Veronica spp.)

Veronica - Flowers That Thrive in Full Sun

Veronica, with its dense clumps of crinkled green foliage topped by vibrant flower spikes, is a standout in any sunny border. Varieties like ‘Sunny Border Blue’ can reach heights of 18 to 24 inches, gracing the garden with stunning violet-blue flowers from summer to fall.

This flower is a favorite among pollinators and also serves as an excellent cut flower. Hardy and adaptable, Veronica thrives in various soil types, as long as they are well-draining, making it a versatile addition to your full-sun garden.

With its easy-care nature and ability to flourish in full sun, Veronica is ideal for gardeners seeking low-maintenance outdoor plants that thrive in sunny conditions.

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These vibrant blooms are perfect companions for any sunny garden, bringing color, charm, and ease of care. These low-maintenance beauties thrive in full-sun environments, enhancing your outdoor space with their unique qualities.

Have questions or feedback? We’d love to hear from you! Share your thoughts in the comment section below and let’s keep the conversation blooming.

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