6 Most Popular Summer Flowers

Article published at: Jun 20, 2024
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Summer is a time of warmth, sunshine, and vibrant colours. One of the best ways to bring the beauty of summer into your home or garden is through the season’s most popular flowers.

In the UK, summer flowers are cherished for their ability to brighten up any space and add a touch of nature’s charm. In this blog post, we'll explore five of the most popular summer flowers that florists and gardeners alike adore: dahlias, sunflowers, sweet peas, hydrangeas, and gladioli. We'll also touch on the captivating lilies, a timeless favorite.

Dahlias: The Dramatic Blooms

Popular Summer Flowers Dahlia

Dahlias are a true spectacle in the flower world, known for their dramatic and diverse blooms. Native to Mexico, these flowers come in a stunning array of shapes, sizes, and colors, making them a favorite for summer gardens and floral arrangements.

Introduction to Dahlias and Their Unique Features

Dahlias are part of the Asteraceae family and boast over 42 different species. What makes them particularly fascinating is the variety of forms they can take. From the intricate, pom-pom-like blooms of ball dahlias to the spiky petals of cactus dahlias, there is a dahlia to suit every taste.

Range of Colours and Shapes

Dahlias can be found in nearly every colour imaginable, except true blue. Their colours range from soft pastels to vibrant reds, yellows, and purples. This versatility allows them to be used in various floral designs, from elegant bouquets to bold garden displays.

Tips for Care and Longevity

To keep dahlias looking their best, it’s important to provide them with plenty of sunlight and well-drained soil. Regular watering is crucial, but be careful not to overwater, as this can lead to root rot. Deadheading spent blooms will encourage more flowers to grow, ensuring a longer blooming period.

Sunflowers: The Sunshine of Summer

Popular Summer Flowers Sunflowers

Sunflowers are the embodiment of summer with their bright yellow petals and towering stems. They are beloved for their cheerful appearance and ability to follow the sun throughout the day, a phenomenon known as heliotropism.

Overview of Sunflowers and Their Cheerful Appearance

Sunflowers (Helianthus annuus) are native to North America and have become symbols of positivity and happiness worldwide. Their large, daisy-like flower heads can reach impressive heights, making them a standout in any garden.

Characteristics and Reasons for Popularity

Sunflowers are not only visually striking but also incredibly versatile. They come in various sizes, from dwarf varieties perfect for container gardening to giant types that can grow over 10 feet tall. Their seeds are edible and highly nutritious, adding to their appeal.

How to Care for Sunflowers to Ensure They Last

Sunflowers thrive in full sunlight and prefer well-drained soil. They are relatively low-maintenance but require consistent watering, especially during dry spells. To prolong their blooming period, pinch off early buds to encourage more flowers.

Sweet Peas: The Fragrant Delights

Popular Summer Flowers Sweet peas

Sweet peas are known for their enchanting fragrance and delicate, butterfly-like blooms. These flowers are a favorite for adding a touch of romance to gardens and bouquets.

Introduction to Sweet Peas and Their Delicate Beauty

Sweet peas (Lathyrus odoratus) are climbing plants that can reach heights of up to 8 feet. They are native to the eastern Mediterranean region and have been cultivated for centuries for their delightful scent and charming appearance.

Variety of Colours and Their Fragrance

Sweet peas come in a wide range of colours, including white, pink, purple, and blue. Their fragrance is often described as sweet and heady, making them a popular choice for scented gardens and floral arrangements.

Growing Tips and How to Incorporate Them into Bouquets

To grow sweet peas successfully, plant them in rich, well-drained soil and provide support for their climbing habit. They prefer cooler temperatures, so planting them in early spring or autumn is ideal. Regularly pick the flowers to encourage more blooms and enjoy their fragrance indoors.

Hydrangeas: The Elegant Clusters

Popular Summer Flowers Hydrangeas

Hydrangeas are renowned for their large, lush blooms that add an air of elegance to any garden or arrangement. These flowers are particularly popular in the UK for their ability to thrive in the country's climate.

Overview of Hydrangeas and Their Large Blooms

Hydrangeas belong to the Hydrangeaceae family and are native to Asia and the Americas. They are known for their impressive flower heads, which can be either mophead (large, round clusters) or lacecap (flat, with a center of small flowers surrounded by larger petals).

Colour Variations and Their Meanings

Hydrangea colours can vary widely, often depending on the pH level of the soil. Blue flowers typically grow in acidic soil, while pink and red blooms thrive in alkaline soil. White hydrangeas remain consistent regardless of soil conditions. These colour variations add to their versatility in garden design.

Care Tips to Maintain Their Elegance

Hydrangeas prefer partial shade and well-drained, fertile soil. Regular watering is essential, especially during dry periods. Pruning should be done in late winter or early spring to promote healthy growth and abundant blooms.

Gladioli: The Tall Beauties

Popular Summer Flowers Gladiolus

Gladioli, often referred to as "glads," are striking flowers known for their tall, sword-like stems and vibrant colours. They are a staple in summer gardens and floral arrangements.

Introduction to Gladioli and Their Striking Appearance

Gladioli are part of the Iridaceae family and are native to South Africa. They are characterised by their tall spikes adorned with multiple blooms, making them a dramatic addition to any floral display.

Range of Colours and Their Significance

Gladioli come in a vast array of colours, from soft pastels to bold, bright hues. Each colour can hold different meanings, such as red for passion, pink for admiration, and white for purity.

Tips for Arranging Gladioli in Floral Displays

To showcase gladioli in arrangements, cut the stems at an angle and place them in a tall vase for support. Change the water regularly and trim the stems to prolong their freshness. Their height makes them ideal for creating vertical interest in bouquets.

Lilies: The Scented Stars

Popular Summer Flowers Lilies

Lilies are timeless flowers known for their elegant, trumpet-shaped blooms and captivating fragrance. They are a classic choice for summer gardens and floral arrangements.

Overview of Lilies and Their Dramatic Blooms

Lilies belong to the Lilium genus and are native to the temperate regions of the Northern Hemisphere. They are known for their large, showy flowers that can add a touch of sophistication to any setting.

Different Types of Lilies and Their Characteristics

There are several types of lilies, including Asiatic, Oriental, and Trumpet lilies, each with its own unique features. Asiatic lilies are known for their bright colours and lack of fragrance, while Oriental lilies are prized for their intense scent and large blooms.

Care Instructions to Prolong Their Freshness

Lilies prefer well-drained soil and full sun to partial shade. Water them regularly but avoid wetting the foliage to prevent disease. Remove spent blooms to encourage more flowers and extend the blooming period.


Summer flowers bring unparalleled beauty and joy to our lives, and the five discussed here—dahlias, sunflowers, sweet peas, hydrangeas, and gladioli—are among the most popular in the UK. Each flower has its own unique charm and characteristics, making them suitable for a variety of occasions and settings.

Dahlias offer dramatic and diverse blooms, sunflowers bring a cheerful presence, sweet peas enchant with their fragrance, hydrangeas add elegance, and gladioli stand tall with their striking appearance. Lilies, with their timeless beauty and scent, also deserve a special mention.

These flowers are not only durable but also versatile, making them perfect for gardens, floral arrangements, and gifts. Whether you’re looking to brighten your home, celebrate a special occasion, or simply enjoy the beauty of nature, these summer flowers are sure to delight. Consider adding them to your next floral arrangement or garden project and experience the joy they bring.


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