20 Perennial Flowers That Bloom Non-Stop Throughout Summer

Perennials are an excellent option to switch to a more low-maintenance strategy to fill your flower beds with all summer colours.

One benefit of perennial flowers is that they come back year after year, saving you the laborious task of replanting them every spring while offering your yard lovely spring, summer, and fall blooms.

They not only enhance the outdoor aesthetic of your landscape but also attract pollinators with their beauty and nectar-filled petals.

In this article, our perennial summer list will mainly focus on perennial daisies that bloom all summer and all summer. Let’s check them out.

1. Yarrow

A simple flowering perennial that is more than just a pretty bloom. The best part is their low maintenance and care requirements, making them manageable. They make for excellent ground cover and bloom well in open spaces. They are usually tightly packed together. These can grow anywhere between one to three feet in height.

2. Shasta Daisy

These stunning blooms flourish best during summer and fall, basking in their all-white glory. Classic perennials such as these are easy to grow and give the most beautiful flowers in your garden. These perennial daisies that bloom all summer are usually naturally found in Europe and North America, blooming fully during summers. They grow aggressively and need little care and maintenance. Keep them in contained areas or garden beds for further ease

3. Primrose

Stunning colourful blooms that range from a few inches to multiple feet. These perennial daisies bloom in all summer colours, types, and categories. Some are fairly common, whereas a few are rare and stunning. They grow best in partial shade, all through summer. Ideally, direct and harsh sunlight must be avoided to get the best of primrose blooms.

4. Delphinium

The Delphiniums come in stunning electric blue colour that is unimaginably vibrant. Even during winters, the roots remain alive and bloom during warmer weather. These varieties can grow up to 8 feet in height. These plants last about 2-3 years in the garden, resulting in beautiful blooms. Seed your delphiniums from September to March months for best results.

5. Blanket Flower

Blanket flowers, scientifically known as Perennial Gaillardia, grow beautifully and give big flowers when they blossom. These tough and hardy plants can last up to decades, thus making them a great option. These are extremely rich in nectar, making this a feast for pollinators. In addition, their daisy-like appearance in multicoloured brilliance is a treat to the eyes.

6. Black-eyed Susan

Friend to the pollinators, black-eyed Susan’s bloom to blanket the garden in all its glory. These sunflower-like yellow flowers have a vibrant hue that makes them a sight. It requires good sunlight for a refreshing bloom. Choosing a higher phosphorous type of fertilizer is ideal for this plant.

7. Alliums

This one is for those looking to get blooms that last long and completely beautify the garden in addition to garden accessories. They come in vibrant colours; then Alliums are a perfect choice. This bee-friendly species truly flourish best during warm summers. They are rodent resistant, making them easier to maintain in the long run. Depending on the species, these can grow as high as five feet tall. They have a nice pom-ball-like appearance.

8. Blue lupine

Beautiful electric blue perennials are a delight because of their vibrant appearance. These plants grow best in full sunlight and need moist, slightly sandy, well-drained soil. They can be planted in areas that receive full sun or those that have light shade.

9. Monroe White Lilyturf

These evergreen perennials are stunning; they are star-shaped and dreamy white. While they bloom well from July to August, the slender green leaves act as ground cover all year round. For the best outcome, these should be planted in partial shade. However, they also do function well in the full sun too.

10. Geranium

While some plants may fall under the botanical group, the original geraniums are naturally perennial. These plants form a great annual bedding of flowers that are beautiful to look at. With over 300+ species available, one can choose based on colour preferences. These are short plants that are generally less than 12 inches in height.

11. Heucherella

These flowers are gorgeous beauties that grow up to a foot tall. They have a mounding nature and long stems. They bloom in various colours that range from cream to pink to red. These flowers are famous for their attraction to hummingbirds. They fall under the category of cool climate perennials.

12. Stella de Oro Daylily

This herbaceous plant gives beautiful yellow blooms that are mesmerizing to look at. In complete maturity, these plants grow as much as 9-12 inches in height. These golden yellow flowers need a moist but well-drained soil type to bloom well. They flourish best in full sun exposure.

13. Coneflower

Coneflowers are one of the most popular perennials. This is because they are resistant to heat changes. They also last during droughts and are very easy to manage during other times. In addition, these attract birds and bees making it a great pollinator host. These can grow up to 2-5 feet in height.

14. Lilac

Lilacs are known for their love for the sun. They bloom fully well and need good exposure to the sun for the best blooms. They are known to grow best in slightly alkaline conditions. Their strong, fresh fragrance is why they are popular, making them ideal garden plants.

15. Hydrangea

A popular favourite among the flowering community, hydrangeas and known for their beauty, colour, and fragrance. These are ornamental and can last many years if taken care of well. These lie within the hardiness range of 3 to 7. Hydrangeas in your garden during summer can uplift the look at feel.

16. Jackmanii Clematis

A stunning bloom that loves its time in the sun. Nothing makes summers charming and beautiful like a good clematis bloom. These love a good full sun or partial shade. However, their roots must be well-drained and cool for the best growth. As a result, they grow all through summer and have a great growth rate.

17. Valerian

Valerians are white flowering clusters that can grow up to the height of 5 feet. Their clumping nature and great foliage create a gorgeous, aesthetically pleasing flowering plant. These are great pollinators and attract various species of birds and butterflies. In addition, it will keep your garden looking busy and healthy.

18. Speedwell

These flowers come in shades of purple, pink, blue, and white, all beautiful. This species’ low maintenance and easy-to-grow nature makes it a desirable choice for your garden. These sun-loving flowers grow best in partial shade, sandy and clay-dense soils.

19. Pincushion Flower

The perfect addition to a blooming, flowering garden. They come in sky blue, purple, pink, and lilac shades. Low-maintenance plants need watering about once every two weeks for best results. Like most perennials, these require full sun for ideal bloom.

20. Garden Phlox

This clumpy gorgeous flowering plant makes for the most stunning blooms during summer. They come in lavender, lilac, pink and purple colours. Known for their height, these herbaceous perennials grow up to 2-4 feet. They require weekly watering for the best results.

To make your garden look stunning and colourful throughout summer, consider these perennial daisies that bloom all summer. They have elegant bell-shaped flowers that will attract hummingbirds to your landscape. Although perennials are short-lived, they will bloom from mid-spring till summer and return next year. In addition, this blooming perennial produces seeds prolifically without requiring heavy maintenance. So, get started with your gardening gear to make aesthetic landscaping that awe onlookers every time they pass your property.

Frequently Asked Questions

What Are Perennial Plants?

By its very name, these plants live longer. Perennial means those that live through the years. These plants live for a minimum of 2+ years and can survive up to decades.

What is the Difference Between Annual, Perennial, and Biennial Plants?

Annual plants last a year; biennial plants last for two growing seasons, i.e., the first includes roots, leaves, and stems, second growing season involves flowering. In comparison, perennials last longer, sometimes up to a decade.

Which Are the Most Common Perennial Plants?

There are several perennial plants. However, the most common ones are:

• Allium
• Shasta Daisy
• Coneflower
• Garden Phlox, among others

Which Perennial Plants Bloom All Summer Long?

The perennial plants that bloom all summer include garden phlox, lilac, pincushion flowers, hydrangeas, and geranium.

Do Perennials Need High Maintenance?

No. Generally, perennial plants are quite hardy may nature. They do not need much care and maintenance and flourish under full sun.