Summer flowers in Wisconsin are the main attraction when summer comes. The blooming flowers offer the beauty of their blooms through the season. Some of them grow wild and are native flowers to Wisconsin. Meanwhile, the rest are those you can easily find and grow in your midwest garden.
Suppose you are interested in growing those best flowers in Wisconsin. In that case, you may find our article fascinating. We have compiled the 10 most exquisite summer flowers in Wisconsin that belong to hardy perennials you can effortlessly grow.
Hence, you have nothing to worry about their maintenance. Check them out!
Table of Contents
Best Summer Flowers in Wisconsin
1. Black-Eyed Susans


Let us introduce you with one of the most exquisite summer flowers in Wisconsin, Black-Eyed Susan or Rudbeckia hirta. It has a similar appearance to sunflowers since it belongs to the same Asteraceae family with striking yellow flowers and dark brown centers.
In addition, it also features fragrant flowers with sweet scents that attract butterflies.


Unfortunately, it is a short-lived perennial among its species. Despite loving the sun, this early-summer flower will bloom longer in afternoon shade. It also loves well-drained, dry to moist, and acidic soil.
In addition, it is a drought-tolerant plant that attracts birds and butterflies to have frequent visits. Furthermore, cut off the seed head after a dry fall day to cultivate the seeds.
2. Blazing Stars


Liatris aspera or Blazing Stars is one of the best summer flowers in Wisconsin that has long-blooming flowers. It carries purple to pink flowers atop tall thin spikes of green stalks with rounded and rough bracts.
Even though the flower shapes may seem messy, it is one of the most popular gayfeather that will offer you transitional beauty from summer to fall.


Similar to Rudbeckia hirta, it is a drought-tolerant plant that performs best in dry soil moisture. It also prefers sandy or rocky soils under full sun to thrive, just like in its natural habitat.
Since it is a nectar-producing plant, it provides food for butterflies and other beneficial pollinators.
3. Celandine Poppy


Still talking about yellow flowers, Wisconsin is a home for some poppy flowers including Celandine Poppy. This herbaceous perennial features four petals of yellow blooms with green leaves that creates stunning color contrast.
Even though it is a wildflower, you can also grow this poppy in your garden as long as you provide its growing requirements.


You need to prepare moist soil to mimic its natural habitat if you want to plant Celandine Poppy in your front yard. It also requires full sun; thus, providing an area with bright sun exposure is necessary.
Despite being a summer flower, its growing season is actually in early spring to summer. Hence, you can start growing them once the ground melts.
4. Chicory


For those cook lovers, you may have been familiar with this flower. Chicory is a herbaceous, flowering plant whose almost all parts are edible. You can add the beautiful yellow and purplish flowers and green leaves to your salad, while the baked and grounded roots are great to make a cup of coffee.
Therefore, it is one of the best summer flowers in Wisconsin that is worth planting in your garden.


If you want to grow them, make sure you have fertile, moist, well-drained soil. Considering this matter, watering them 2-2.5 inches per week is necessary. It also performs best under full sun.
So, a sunny spot is the best to grow them.
5. Common Blue Violet


Similar to Chicory, the showy blue-violet flowers of Viola sororia are edible. So, they are often processed into candies and jellies. Meanwhile, the heart-shaped green leaves are high in vitamins A and C; thus, it is often added to salads.
Thanks to these wonderful qualities, Common Blue Violet is more worth it and attractive for your summer garden.


To support its growth, plant it in a location that has humus-rich and well-drained soil under light shade to shade conditions. In addition, it is a clay tolerant native plant, so it doesn’t matter if the ground in your environment has this character.
In addition, pruning is needed to prolong the blooming season.
6. Coneflowers


This perennial is well-known for the alluring purple and pink flowers with gracefully dropping petals, showing off its long-lasting beauty from mid-spring to early fall. Pollinators are attracted to these flowers, while birds are happy to eat the seeds from the brownish disks.
In addition, Coneflower is extremely popular for its health properties and is commonly utilized as herbal tea to strengthen the immune system.


With its spectacular qualities, it is no doubt that people are interested in growing Coneflower in their gardens. This native perennial is adaptive to various soil types yet prefers dry, well-drained, and rich soil under the sun or partial shade.
In some hardiness zones, it favors moist, loamy soil. Besides its beautiful flowers, Echinacea purpurea is also cultivated for research materials.
7. Coral Bells


Heuchera sanguinea or Coral Bells is one of the stunning summer flowers in Wisconsin gardens that will be perfect for dry areas. It bears upright stems with coral red, bell-shaped flowers hanging in narrow clusters from the upper parts of the stalks.
These enchanting flowers bloom exquisitely in mid-summer.


Furthermore, taking care of Coral Bells is not necessarily difficult. It needs shade in warmer climates but does well in full sun and part shade in colder areas. In addition, medium watering is required to maintain soil moisture, especially during summer.
And to stimulate new growth, the old woody material should be discarded when this clump-forming perennial is about 3 to 4 years old.
8. Creeping Phlox


As its name suggests, the flowers of Creeping Phlox grow creeping on the soil surface. No wonder people often grow them as ground cover. It has exquisite bright purple to white flowers that fully bloom in the late summer, adding seasonal beauty to your garden.
Plus, the semi-evergreen green oval leaves provide an eye-catching color combination.


Furthermore, it is one of the low-maintenance plants that like to get full sun exposure or part shade. Once established, it is also drought-tolerant even though it prefers rich-organic, slightly acidic soil.
Aside from being a ground cover, you can also plant it as border fronts or a collection of plants in cottage gardens.
9. Swamp Milkweed


Closely related to Common Milkweed, Swamp Milkweed of Asclepias incarnata features a large, deep pinkish to a magenta shade of flat-head flower clusters with numerous narrow green leaves that enhance the appearance of this plant.
They bloom in early summer, adding colorful vibes to your summer garden.


Unlike many ornamental plants, Swamp Milkweed grows in rich, wet, very muddy soil. It also thrives on mucky clay soil and tolerates the heavy clay. Given that it really likes damp soil, it demands a high watering frequency.
Despite being toxic in raw form, the crooked young shoots, leaves, and seed pods are edible.
10. Wild Geranium


Our closing species for summer flowers in Wisconsin’s collection is Wild Geranium or Geranium maculatum. This showy perennial displays purple flowers with soft and papery textures. Moreover, it is not aggressive, making it worth noting native plant species to grow in your pots.


Other than being beautiful, Wild Geranium is an easy perennial to care for. You will not need complicated requirements to plant Wild Geranium since it adapts well to a wide variety of growing conditions. It prefers part shade to shade on rich, moist, and acidic soil.
However, it copes well in poor soils and is drought-tolerant once established.
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FAQs (Frequently Asked Questions)
What is Wisconsin’s state flower?
Common Blue Violet or Viola sororia is Wisconsin’s state flower. This herbaceous, short-stem perennial has exquisite blue-purple petals which fully bloom from March to June.
What is the most common flower in Wisconsin?
Among all the beautiful flowers growing in Wisconsin, the most commonly found flower in the state is the goldenrod, especially the Canada goldenrod.
It is a tall, herbaceous plant whose arching branches bear head clusters of tiny yellow flowers. The stem and leaves are hairy which makes the plant look stunning.
What flowers bloom in June in Wisconsin?
There are some flowers in Wisconsin that bloom in June, including coneflowers, day and water lilies, roses, poppies, and more.
Some native wildflowers are also showcasing their showy blooms this month, such as woodland phlox and wild lupine.
What flowers bloom in August in Wisconsin?
August is a month of prairie flowers where some of them, like royal catchfly, wild bergamot, black-eyed susan, and hoary vervain, beautifully bloom during the season.
What flowers bloom in September in Wisconsin?
Some summer flowers still bloom until early fall in September in Wisconsin. Some of them that you can still enjoy this month are black-eyed susan, goldenrod, sunflowers, asters, yarrow, and snakeroot.