15 Great Garden Summer Plants You’ve Never Heard Of (And Should Have)

Garden Plants
By Ella Brown

Uncover a world of gardening wonders with our curated list of 15 exceptional summer plants. These hidden gems will not only enhance the beauty of your garden but also provide unique features that cater to diverse gardening needs and preferences. Perfect for experienced gardeners and novices alike, these plants are sure to captivate with their vibrant colors, intriguing shapes, and delightful fragrances.

1. Lisianthus (Eustoma) 🌸

© Homes and Gardens

Often called the ‘poor man’s rose,’ Lisianthus boasts delicate, ruffled blooms that captivate the senses. Imagine waking up to soft pinks, purples, and whites adorning your garden, an ideal choice for bouquets.

This flower thrives in sunshine, bringing a touch of elegance to any outdoor space. Its resilient nature makes it suitable for various climates, ensuring it remains a garden favorite.

Did you know? Despite its refined appearance, Lisianthus is surprisingly hardy, symbolizing appreciation and gratitude—a perfect floral gift for loved ones.

2. Cuphea (Bat Face Flower) 😮

© Almost Eden

With an uncanny resemblance to tiny bat faces, Cuphea is a quirky addition to any garden. Its vibrant red-and-purple flowers are a sight to behold, especially when paired with lush green foliage.

Drought-tolerant and low maintenance, this plant is adored by hummingbirds, making it a lively garden attraction. Picture a warm summer day, with these charming blooms drawing in delightful winged visitors.

Fun fact: Cuphea derives its name from the Greek word ‘kyphos,’ meaning curved, a nod to the flower’s unique shape.

3. Angelonia (Summer Snapdragon) 🌿

© Proven Winners Direct

Meet Angelonia, the ‘Summer Snapdragon’ that thrives where others wilt. Its spikes of purple, pink, or white blooms stand tall, basking in heat and humidity without a hint of wilting.

This plant’s resilience makes it a garden staple, perfect for those long, hot summer days. Its enchanting fragrance adds another layer of appeal, enticing both people and pollinators alike.

Originating from Mexico, Angelonia symbolizes admiration and beauty—a fitting tribute to its stunning appearance.

4. Gomphrena (Globe Amaranth) 🌈

© Garden Design

Brighten your garden with Gomphrena, known for its cheerful pom-pom flowers in neon hues. Picture neon pinks, purples, and oranges dancing in the breeze, an irresistible invitation to butterflies.

These long-lasting blooms are perfect for drying, preserving their vibrant color and charm. Whether in a bouquet or a decorative arrangement, they bring joy year-round.

Quirky fact: Gomphrena flowers were used by the Incas as a natural dye, adding a splash of color to textiles and crafts.

5. Lion’s Tail (Leonotis leonurus) 🦁

© descansogardens

Lion’s Tail, with its striking orange tubular flowers, adds an exotic touch to any garden. Imagine a wild, untamed landscape, where these vibrant flowers attract pollinators like bees and butterflies.

Native to South Africa, this plant can withstand drought and poor soil, making it a resilient choice for gardeners. Its tall, shrub-like stature provides a dramatic focal point in any outdoor space.

Symbolically, Lion’s Tail represents courage and strength, qualities reflected in its bold appearance.

6. Ornamental Oregano (‘Kent Beauty’) 🌱

© White Flower Farm

While not for culinary use, Ornamental Oregano ‘Kent Beauty’ enchants with its cascading pink and green bracts. Visualize a hanging basket, where these delicate colors drape gracefully, a feast for the eyes.

Ideal for container gardening, this herb thrives in sunny spots, bringing a touch of elegance to patios and balconies. Its subtle fragrance and unique appearance make it a garden must-have.

Fun tidbit: This plant is a hybrid, created specifically for ornamental purposes, enhancing gardens with its beauty alone.

7. Chocolate Cosmos (Cosmos atrosanguineus) 🍫

© Eden Brothers

Imagine the scent of chocolate wafting through your garden. Chocolate Cosmos, with its deep burgundy blooms, offers this delight to any floral enthusiast.

The flowers’ velvety texture and rich color make them a standout feature, ideal for sensory gardens or moonlit gatherings. Their subtle fragrance enchants anyone who catches a whiff.

Did you know? Despite their name, Chocolate Cosmos are native to Mexico and are a rare treat in gardens due to their unique scent and appearance.

8. Persian Shield (Strobilanthes dyerianus) 🟣

© Select Seeds

Persian Shield captivates with its iridescent purple foliage, shimmering like a jewel under the sun. Picture a garden corner where these metallic leaves catch the light, creating a stunning visual display.

Ideal for shady spots, this plant adds a splash of color where it’s least expected. Its foliage remains vibrant throughout the season, a perfect complement to other garden plants.

Historically, Persian Shield is native to Myanmar and has been cherished for its ornamental value and striking appearance.

9. Tithonia (Mexican Sunflower) 🌞

© Better Homes & Gardens

Towering with giant orange flowers, Tithonia is a beacon for butterflies and bees. Visualize these magnificent blooms reaching for the sky, creating a vibrant, lively atmosphere in your garden.

Native to Mexico, Tithonia thrives in sunny locations, providing a splash of color and a natural habitat for pollinators. Its tall stems and lush foliage add depth and dimension to any planting scheme.

Fun fact: Tithonia was a favorite in Aztec gardens, celebrated for its boldness and beauty.

10. Calibrachoa (Million Bells) 🔔

© Horticulture Magazine

Imagine mini petunias but even more vibrant—Calibrachoa, or ‘Million Bells,’ offers just that. These tiny, colorful blooms spill over containers, creating a cascade of visual delight.

Perfect for sunny spots, they thrive in heat, providing nonstop color throughout the summer. Their compact nature makes them ideal for hanging baskets and window boxes.

Originating from South America, Calibrachoa symbolizes joy and cheer, bringing a smile to anyone who sees these charming flowers.

11. Blue Chalk Sticks (Senecio serpens) 💙

© Plants Express

Blue Chalk Sticks stand out with their powdery blue ‘fingers,’ thriving in heat and drought. Picture these unique succulents in a rocky garden landscape, their cool tones contrasting with the harsh sun.

Ideal for xeriscaping, they require minimal water, making them a sustainable choice for eco-conscious gardeners. Their striking appearance adds texture and interest to mixed plantings.

Fun tidbit: Native to South Africa, Blue Chalk Sticks are often used in coastal gardens for their resilience and distinctive look.

12. Love-Lies-Bleeding (Amaranthus caudatus) ❤️

© Uprising Seeds

Dramatic and romantic, Love-Lies-Bleeding captivates with its cascading red tassels. Imagine these striking blooms draping from planters, adding a touch of gothic elegance to your garden.

Their bold appearance and unique form make them a standout in any planting scheme, drawing the eye with their movement and color. Perfect for creative floral arrangements, they bring a sense of drama indoors as well.

Historically, these plants were used by the Aztecs in rituals, symbolizing enduring love and beauty.

13. Firecracker Plant (Russelia equisetiformis) 🎆

© Almost Eden

A garden burst of color, the Firecracker Plant delights with arching stems covered in tiny red flowers. Picture these vibrant blooms along a garden pond, attracting hummingbirds and dragonflies.

Their cascading form and bright hues make them an eye-catching choice for borders and containers. Low maintenance and resilient, they flourish in warm climates, providing a lively backdrop.

Did you know? The Firecracker Plant is native to Mexico and Central America, known for its ability to thrive in challenging environments.

14. Bidens (Golden Empire) 🌼

© Gertens

Bidens offers a splash of sunshine with its golden-yellow blooms, standing firm against heatwaves. Imagine a garden bed filled with these cheerful flowers, radiating warmth and happiness.

Their sprawling nature makes them perfect for ground cover, filling in gaps with color and vibrancy. Easy to grow and care for, they’re a gardener’s delight, thriving in full sun.

Fun fact: The name ‘Bidens’ comes from the Latin words ‘bi’ and ‘dens,’ meaning two-toothed, referring to the barbed seeds of the plant.

15. Scaevola (Fan Flower) 🌸

© Martin Garden Center

Scaevola, with its unique fan-shaped blooms, offers nonstop color in blue or white. Picture these charming flowers adorning garden beds, their petals spreading like open fans.

Ideal for hanging baskets and borders, they bloom continuously without the need for deadheading. Their carefree nature and vibrant hues provide a perfect summer spectacle.

Did you know? Scaevola is native to Australia, where it’s often found in coastal areas, symbolizing resilience and beauty in the face of adversity.