Claude Monet is famous for saying, “I must have flowers, always and always.” Most gardeners would agree, so it helps to have flowering plants that rebloom all season long without much effort.
Combining annuals with perennials will help fill in the gaps in your garden’s colorful show, but many perennials will bloom throughout most of the season with little to no help from you.
If you want to add more blossoms to your garden, consider a few of these 27 flowering plants that will rebloom all season long.
Alpine Violet
These native violets are perfect for rock gardens or woodland edges and have heart-shaped leaves and purple blossoms.
botanical name Viola labradorica | |
sun requirements Full sun to partial shade | |
height 3-6 inches tall, 3-6 inches wide | |
hardiness zones 3-8 |
This small semi-evergreen violet is an excellent addition to a woodland edge or a rock garden. Alpine violet produces deep green heart-shaped leaves. Each sweet purple blossom rises above the leaves on a slender stem. For the best impact, plant alpine violets in groupings.
Deadhead the fading flowers to prolong the bloom time and promote new blossoms. Plant in well-draining soil for the most success.
Angelonia
This tall, low-maintenance annual blooms in pink, purple, or white shades all summer.
botanical name Angelonia spp. | |
sun requirements Full sun | |
height 1-3 feet tall, 1-2 feet wide | |
hardiness zones 10-11, grown as an annual everywhere else |
If you are looking for a taller annual that will fill your garden with blossoms all summer and requires little to no maintenance, look no further than Angelonia. Also known as angelface or summer snapdragon, this annual comes in shades of pink, purple, or white. Each plant will produce many stems, each covered in blossoms.
Angelonia stems will bloom from the bottom up. When the top blooms begin to fade, snip the flower stalks, and the plant will rebloom later in the season. Angelonia is a great annual to plant if you want cut flowers blooming into the fall.
Beach Rose
Disease-resistant beach roses bloom pink or white single roses with yellow centers, followed by abundant rose hips.
botanical name Rosa rugosa | |
sun requirements Full sun to partial shade | |
height 4-6 feet tall, 4-6 feet wide | |
hardiness zones 2-7, with some cultivars up to zone 9 |
This tough rose is famous for its disease resistance and tolerance to various growing conditions. The beach rose will be decorated with pink or white single roses, each with a yellow center. When the blooms fade, you will be rewarded with plentiful rose hips.
This gorgeous flowering plant blooms in late spring or early summer and typically reblooms later in the season, lasting until the first frost. Plant these roses in a hedge where you have a tough time getting things to grow or where you have sandy soil.
Black Eyed Susan
Add black-eyed Susans for stunning yellow daisy-like flowers with brown centers in your perennial beds.
botanical name Rudbeckia hirta | |
sun requirements Full sun | |
height 2-3 feet tall, 1-2 feet wide | |
hardiness zones 3-9 |
For yellow perfection in your perennial flower beds, add black-eyed Susans. These classic garden perennials are great performers, producing stunning yellow daisy-like flowers with chocolate brown centers. They bloom on slender but sturdy stems that grow from lance-shaped leaves. They are easy to grow from seed.
When the blossoms fade, snip them off and prepare for the next round. Black-eyed Susans will bloom from summer until the first frost. If you would them to spread, leave spent blossoms on the plant. This perennial is a prolific self-seeder.
‘Blue Lace’ Delphinium
‘Blue Lace’ is a tall, sturdy perennial with light blue flowers and a touch of lavender in the center.
botanical name Delphinium x elatum ‘ Blue Lace’ | |
sun requirements Full sun to partial shade | |
height 5-6 feet tall, 1-2 feet wide | |
hardiness zones 3-7 |
This lovely light blue delphinium is a member of the New Millenium delphinium collection, known for its prolific ability to rebloom and its sturdy stems. These tall flower spikes are covered in light blue flowers, each with a touch of lavender in the center.
‘Blue lace’ will grow up to 6 feet tall, providing excellent structural appeal to your flower beds or cottage foundation gardens. When the first round of blossoms fades, deadhead the plants to encourage the next round of blooms which will arrive in late summer.
Catmint
Catmint boasts purple or pink flower spikes and lush silver foliage, blooming twice from early summer to fall.
botanical name Nepeta racemosa | |
sun requirements Full sun to partial shade | |
height 1-3 feet tall, 1-3 feet wide | |
hardiness zones 4-8 |
For a good reason, this booming perennial is a staple in many gardeners’ flower beds. Depending on your selected variety, this perennial produces purple or pink flower spikes. One thing that holds true, regardless of your variety selection, is the lush silver foliage which grows in a very attractive mound shape.
Catmint will bloom in early summer. After this first round of blooms fades, deadhead with clippers or use garden shears to give the whole plant a haircut. You will see a second round of blooms in the late summer or early fall.
‘Cloud Ballet’ Iris
A stunning reblooming bearded iris, ‘Cloud Ballet’ has sky-blue petals with white and yellow beards.
botanical name Iris germanica ‘cloud ballet’ | |
sun requirements Full sun | |
height 2-3 feet tall, 1-2 feet wide | |
hardiness zones 3-9 |
‘Cloud Ballet’ is a beautiful blue variety of reblooming bearded iris. This particular iris has sky-blue petals with white and yellow beards. The beautiful blue blooms will appear in late spring or early summer before reblooming in late summer or early fall.
Plant ‘Cloud Ballet’ in your flower beds with well-draining soil. This is crucial to prevent root rot, which could kill your iris plants. When the plant is not in bloom, the lance-shaped foliage will continue to add interest to your garden.
‘Cut and Come Again’ Zinnia
The prolific “Cut-and-Come-Again” Zinnia collection offers a rainbow of long-lasting flowers for your garden.
botanical name Zinnia spp. | |
sun requirements Full sun | |
height 1-3 feet tall, 1-2 feet wide | |
hardiness zones 2-11 |
The name of this zinnia seed collection says it all. The more you cut these zinnias, the more they will flower. With a rainbow of zinnias in this collection, you won’t need much else in your garden. Zinnias are easy to grow! When you are ready to snip some blossoms for a vase arrangement, you will be pleased with how long they last in your vase.
Before you know it, new zinnias will pop up in your garden. These zinnias will continue to rebloom until your first frost.
‘Duchess of Edinburgh’ Clematis
‘Duchess of Edinburgh’ clematis produces large, pure white double flowers that bloom twice.
botanical name Clematis ‘Duchess of Edinburgh’ | |
sun requirements Full sun to partial shade | |
height 8-12 feet tall, 4-6 feet wide | |
hardiness zones 4-8 |
This variety of clematis boasts large, pure white double flowers, each of which can reach a diameter of 6 inches! ‘Duchess of Edinburgh’ is a lovely herbaceous climbing vine that is easy to grow! This clematis offers two rounds of blooms.
The first is in the late spring or early summer, and the second is in the late fall. All you need to do is deadhead the first round of flowers to clear the way!
Be sure to support your clematis with a strong trellis, arbor, or other garden structure to get the full effect of this beautiful plant. Cut back any dead stems in late winter or early spring, as well as after the first bloom. This will help the clematis to rejuvenate and produce loads of blossoms.
Endless Summer ® Hydrangea
Endless summer hydrangeas bloom on both old and new wood, providing flowers throughout summer and fall.
botanical name Hydrangea macrophylla | |
sun requirements Partial shade | |
height 3-6 feet tall, 3-6 feet wide. Size varies with variety. | |
hardiness zones 4-9 |
The only downside to bigleaf hydrangeas is that you only get one bloom per year. Endless summer hydrangeas are hybridized to produce flowers on both old wood and new wood. These blossoms will be present all summer and into the fall.
There are a few varieties of endless summer hydrangeas in various sizes and colors. These varieties include dwarf varieties as well as lacecap varieties. Plant these shrubs in your foundation gardens or add one to a large container or a tall raised garden bed such as this birdies option.
‘Flamingo’ Cockscomb
‘Flamingo’ cockscomb, a classic garden annual, offers light pink flowers on breezy stems that turn silver with age.
botanical name Celosia argentea | |
sun requirements Full sun | |
height 6 inches- 4 feet tall, 6 inches-2 feet wide, varies greatly depending on the variety | |
hardiness zones 2-11 as an annual |
Cockscomb is a classic garden annual. The ‘Flamingo’ variety offers light pink flowers which grow on breezy stems. As these pretty flower spikes age, they will turn silver, giving the plant a two-toned effect.
The bloom period for ‘flaming’ cockscomb is long, beginning in late spring or early summer and lasting until fall. As the flowers fade, snip them off. This will not only neaten up the plant’s general appearance but signal to the plant that it can start producing its next round of blossoms.
Giant Hyssop
This mid-sized perennial features bluish-purple flower spikes that attract hummingbirds and pollinators.
botanical name Agastache spp. | |
sun requirements Full sun | |
height 2-3 feet tall, 1-2 feet wide | |
hardiness zones 6-9 |
Giant hyssop is a nice mid-size perennial that produces large bluish-purple spikes in summer and fall. The tube-shaped flowers attract hummingbirds and pollinators of all sorts to your gardens. The leaves are a bright shade of green and hold a beautiful form even after flowering ends.
As the flowers of the giant hyssop begin to fade, deadhead the blossoms to the nearest set of leaves. This tiny garden task will help to encourage the next round of flowers that will last you until the first frost.
Hardy Geranium
Geraniums add elegance to border gardens with deeply cut foliage and masses of long-lasting purple or pink flowers.
botanical name Geranium spp. | |
sun requirements Full sun to partial shade | |
height 1-2 feet tall, 2-3 feet tall | |
hardiness zones 5-8 |
Hardy geraniums make beautifully elegant additions to your border gardens. Their foliage is a medium shade of green and deeply cut. Masses of purple or pink flowers will perch atop this pretty foliage. This first round of blossoms is prolific and long-lasting.
Luckily, hardy geraniums will bloom a second time if you take the time to deadhead and remove spent flowers. Keep these perennials well-watered and free of any heat stress for the best possible performance.
Knock-Out Roses
Hybridized Knock-Out roses bloom continuously all season with self-cleaning flowers.
botanical name Rosa hybrida | |
sun requirements Full sun to partial shade | |
height 3-10 feet tall, 3-10 feet wide | |
hardiness zones 5-11 |
These gorgeous hybridized roses that even the most novice gardeners will have success growing in their gardens. There are 13 different varieties of Knock-Out roses, each with a different size or color blossom.
The beauty of these roses is that they are self-cleaning, meaning that they don’t require deadheading, and they will continue to bloom on and off all season long until the fall. All you need to do is provide enough sunshine and water; you will have gorgeous rose shrubs in no time.
Lantana
This vibrant and versatile plant grows as an annual or perennial, producing colorful clusters of small flowers.
botanical name Lantana spp. | |
sun requirements Full sun | |
height 8-11, grown as an annual everywhere else | |
hardiness zones 5-11 |
Lantana is a brightly colored plant that grows as an annual or perennial, depending on where you live. This plant produces clusters of small flowers that pack a big punch. Most varieties are multicolored and fit nicely into flower beds or window boxes.
When the flowers fade on your lantana plants, it is time to grab your garden snips and remove the spent clusters. If you wait too long, you will notice shiny globes appearing on your plant; these are the lantana seeds. To keep your lantana blooming, all you need to do is deadhead regularly!
Marigold
Underrated and easy to grow, marigolds are stunning and vibrant flowers.
botanical name Tagetes spp. | |
sun requirements Full sun | |
height 8 inches to 1 foot tall, 6-8 inches wide | |
hardiness zones 2-11 |
Everyone knows a marigold, and everyone should love a marigold! I think these flowers are underrated. They are a cinch to grow, are stunningly beautiful and bright, help to keep critters away from your veggies, and will bloom from early summer until the first frost.
I plant the Favourite Blend French marigold around my vegetable garden and as a border plant for my perennial beds every year. I have never been disappointed. The growth habit is bushy, and the flowers keep coming. Direct-sow these seeds into your soil, or start them in seed starting trays indoors in February.
Million Bells
Perfect for summer containers, million bells offer season-long blossoms with compact growth and various colors.
botanical name Calibrachoa spp. | |
sun requirements Full sun to partial shade | |
height 6-12 inches tall, 1-2 feet wide | |
hardiness zones 9-11, grown as an annual elsewhere |
Prized for its ability to fill and spill out of your summer containers, million bells will provide season-long blossoms. Million bells resemble petunias but have smaller flowers and more compact growth. You can find varieties in just about any color under the sun.
Million bells will bloom all summer long without any need for deadheading. If you notice stems getting too leggy, cut those stems back and tidy up your plant.
Nonstop Begonia
These continuous-blooming begonias are popular for their waxy leaves and low maintenance.
botanical name Begonia spp. | |
sun requirements Partial sun | |
height 8-12 inches tall, 1-2 inches wide | |
hardiness zones 10-11, grown as an annual everywhere else |
Nonstop begonias are a collection of begonias that have become very popular and for good reason. These begonias offer the same waxy leaves and gorgeous flowers for your shady spots, but they will keep producing flowers all season long without your help.
The nonstop begonias come in a variety of gorgeous colors as well as bicolored varieties. These annuals are beautiful when planted in your containers and hanging baskets but are also excellent when planted in your flower beds.
Purple Coneflower
Purple coneflower is a classic garden plant that offers long-lasting glowing color from summer to frost.
botanical name Echinacea purpurea | |
sun requirements Full sun | |
height 2-4 feet tall, 1-3 feet wide | |
hardiness zones 3-9 |
Purple coneflower is a classic garden plant that will fill your flower beds with glowing color throughout the summer and into your first frost. The daisy-like flowers will bloom from tall stems that grow from attractive lance-shaped leaves that remain a bright green throughout the growing season.
Deadheading your purple coneflower will encourage the plant to push another set of blooms. These flowers will continue to pop up on your plants until your first frost.
‘Rosy Returns’ Daylily
This daylily is an early-blooming rebloomer, offering large blossoms lasting 24 hours.
botanical name Hemerocallis ‘Rosy Returns’ | |
sun requirements Full sun to partial shade | |
height 1-2 feet tall, 1-2 feet wide | |
hardiness zones 3-9 |
The ‘Rosy Returns’ daylily is a beautiful reblooming daylily considered an early bloomer. As with all daylilies, these large blossoms typically only bloom for 24 hours at a time. Luckily, ‘Rosy Returns’ is loaded with buds that will continue to flower throughout summer.
When you notice spent blooms on your plant, remove them by hand. This will neaten up your garden while also encouraging further blossoms. When the entire stalk has finished blooming, cut it back to the ground and enjoy the long grass-like foliage until the first frost.
Shasta Daisy
These classic sunny flowers, with white petals and yellow centers, bloom above attractive green foliage for weeks.
botanical name Leucnathemum x superbum | |
sun requirements Full sun to partial shade | |
height 2-3 feet tall, 1-2 feet wide | |
hardiness zones 5-9 |
Shasta daisies are happy, sunny daisies with a solid reputation. These flowers are your classic white daisy with a bright yellow center. The flowers bloom above deep green foliage that is attractive throughout the season.
Shasta daisy flowers will stay in bloom for weeks. Snip away spent flowers to extend the bloom period of your plants. You have many options for Shasta daisies, each with different blossoms, including double flowers.
Snapdragon
Colorful and long-lasting, snapdragons bring reliable beauty to containers and beds, blooming from spring to fall.
botanical name Antirrhinum majus | |
sun requirements Full sun to partial shade | |
height 2-3 feet tall, 1 foot wide | |
hardiness zones 5-10 |
Snapdragons are beautiful, bright flowers that add dependable color to your containers and flower beds. These spiked flowers will last for months, beginning in the spring and flowering into the fall. Snapdragons are typically grown as annuals, but they can grow as perennials if protected over the winter.
When the first round of flowers begins to fade, snip them off, and you will be blessed with a repeat bloom later in the season. These flowers bloom in shades of yellow, orange, red, pink, purple, and bicolor. There is a snapdragon for every garden!
Spike Speedwell
Low-maintenance speedwells add beauty to flower beds with attractive foliage and spiked flowers in purple, pink, or white.
botanical name Veronica spp. | |
sun requirements Full sun | |
height 1-4 feet tall, 1-2 feet wide | |
hardiness zones 4-8 |
Speedwells are low-maintenance perennials for your flower beds. Depending on which variety you select, the foliage of speedwells is low-growing and attractive, although nothing too extraordinary. You can find purple, pink, or white varieties, each with attractive spiked flowers.
To continue or lengthen the bloom time of your speedwell, deadhead any spent blossoms. Even without deadheading, the bloom time should last through most of the summer.
Sweet Alyssum
This adorable and fragrant annual bedecks containers and flower beds with white or purple flowers.
botanical name Lobularia spp. | |
sun requirements Full sun to partial shade | |
height 2-4 inches tall, 6-12 inches wide | |
hardiness zones 2-11 as an annual |
This adorable and fragrant annual is quintessential for your containers and flower beds. Sweet alyssum’s white or purple flowers are a perfect accent to whatever plants you have growing nearby. It is very easy to start from seed!
Cut the entire plant back by half when your sweet alyssum’s first bloom cycle fades. This will help keep the plant tidy while also helping to promote a second round of flowers.
Tickseed
Also known as coreopsis, tickseed is a vibrant garden addition with yellow, orange, or red flowers, offering continuous blooms.
botanical name Coreopsis spp. | |
sun requirements Full sun | |
height 1-2 feet tall, 1-2 feet wide | |
hardiness zones 5-9 |
You can’t go wrong with tickseed for a bright sunny, yellow addition to your garden. This perennial is also commonly referred to by its botanical name Coreopsis. This plant grows into a beautiful mound of foliage. Depending on the variety, it produces bouquets of yellow, orange, or red flowers. ‘Full Moon’ is very popular due to its excellent performance and easygoing nature.
When the flowers fade, give your tickseed a haircut and await the next round of flowers. You will not be disappointed when these yellow beauties fill your fall garden with the perfect splash of color.
Trailing Verbena
This verbena is a versatile annual with colorful flowers for beds, containers, and window boxes.
botanical name Verbena spp. | |
sun requirements Full sun to partial shade | |
height 6-10 inches tall, 1-2 feet wide | |
hardiness zones 3-10 grown as an annual |
Trailing verbena is an excellent annual for flower beds, containers, and window boxes. The creeping vines and leaves are medium green, but as always, the flowers are the stars of the show. Each cluster of flowers is made up of dozens of smaller flowers that will last for weeks. Trailing verbena is available in many different colors, as well as bicolor.
Deadhead your trailing verbena as the clusters of flowers begin to fade. This will prevent the verbena from producing seeds and encouraging new blossoms. Deadheading will also help neaten the plant by trimming back any leggy growth.
‘Violet Queen’ Salvia
Perennial salvia adds beauty to sunny gardens with purple flowers and is low maintenance.
botanical name Salvia nemorosa | |
sun requirements Full sun | |
height 1-2 feet tall, 1-2 feet wide | |
hardiness zones 3-9 |
‘Violet Queen’ salvia is a beautiful addition to any full-sun perennial garden. It produces beautiful purple spiked flowers that hover over attractive rounded foliage. When these flowers begin to fade, deadhead them. You should expect to see another bloom in a few weeks.
Planting ‘Violet Queen’ salvia in groups will only increase their beauty. These perennials will perform wonderfully in most soil types. They experience few issues with pests or diseases and are very low maintenance once established.
Final Thoughts
Adding any of these plants to your garden will guarantee that you will have season-long flowers. You may need to get out into your garden to do some deadheading, but it will be worth your while. Remember to fertilize your perennials with flower-boosting fertilizers as needed, and keep them well-watered throughout the heat of the summer.