10 Most Common Purple Perennial Flowers

Purple perennial flowers provide beauty and color to your flower garden. While these flowers are usually a breath of fresh air, getting the best out of them depends on your combinations or preferences.

Selecting the right colors is crucial for the style of your garden and the mood you want to create. Purple is a color linked with royalty and wealth. The color could also mean romance or spirituality, depending on the shade. Thus, including purple flowers in your garden could add some contrast to your already colorful garden.

What’s better than using perennial flowers? Nothing, if you ask us. Perennial flowers return every year, thus saving you from the stress of picking another set of flowers.

Flowers have different shapes, fragrances, and sizes, especially when considering these purple perennials. Interestingly, you will find several options for you to consider. However, finding the right color balance for your garden could pose a problem since many options exist. Our article will review the ten most common purple perennial flowers for your garden this season.

What Are Perennial Flowers?

Perennial flowers are plants that grow and bloom over spring and summer. These plants die every autumn and winter and return in the spring. You don’t need to do anything to get these plants to return; once it’s spring, they sprout again. Overall, we can say that perennial flowers do not die off easily. Hence, these plants could maintain their structure for two or more years under proper environmental conditions.

Since these plants do not die off so easily, they make for the best plants to use in your garden. Now that we have explained the perennial flower concept, let us look at some purple perennial flowers you can use in your garden.

Anise Hyssop

This plant is sometimes called fragrant giant or giant gossip hyssop and is a perennial that has bluish-purple flowers. The Anise Hyssop has a pleasing fragrance that transforms your garden’s environment. Many gardeners sometimes compare the scent to tarragon or licorice. This licorice-flavored plant can be eaten. Thus, you can use the Anise Hyssop as a herbal supplement. The flowers of this plant are deer-resistant and can attract insects, including bees. Additionally, the flowers attract hummingbirds.

Botanical Name

The botanical name for the Anise Hyssop is Agastache faeniculum. The plant thrives under partial shade or full sunlight and originates in Northern America. Additionally, the plant is two to three feet tall.

How to Care for the Anise Hyssop

It would be best to use well-drained alkaline soil with a pH of 6.5 when growing this flower. Plant your seeds in a clean, fresh bed with no roots or weeds. Furthermore, ensure to water regularly until the plant matures. When fully grown, these plants become drought-resistant and can withstand the worst weather.


These flowers are lupine hybrids. Gardeners love bluebonnets for several reasons. These flowers have fast-growing tendencies and contain many bright colors.

Botanical Name

The botanical name for the bluebonnet is Lupinus and originates from Southern North America. The plant grows 12-24 inches when mature and needs full sun exposure in a plant zone of four to eight.

How to Care for the Bluebonnet

It would help if you exposed your bluebonnets to lots of sunshine (at least six hours daily). Although these plants tolerate partial shade, their flowers will not bloom until they come in contact with full sunlight. These plants do not like excessive moisture and are drought-resistant. Hence, you only need to water once a week.


This perennial plant belongs to the mint family, is pest and deer-resistant, and does well in damp conditions. Additionally, you can grow this plant anytime between spring to fall.

You need to include this plant in your garden because you can use its flowers and leaves for tea. The tea offers relief from congestion, coughing, and menstrual cramping. This flower, whose effects are similar to those of catnip, is also beloved by cats.

Botanical Name

Nepeta is the scientific name for catmint, which is a Mediterranean native. The plant thrives well in the 4-8 plant zone and grows up to three feet tall when mature.

How to Care For Your Catmint Plant 

Catmint thrives well under the full sun but struggles to cope under partial shade. Additionally, the plant thrives in humus-rich, well-drained soil. However, some varieties can perform well in different soil types. These plants require lots of water until they are fully mature.


These plants, often called mums, have vibrant petal clusters on each flower. Almost every home has Chrysanthemums in the winter and fall. Furthermore, you can find these flowers in virtually every grocery store when they are in full bloom. However, by planting your flowers in the spring, you can gain more benefits from them. Mums serve as excellent filler plants in autumn.

Botanical Name

The botanical name for the Chrysanthemums is Chrysanthemum species. The plant originated from China and grows one to three feet tall when mature. Mums can thrive in partial to full sunlight.

How to Care For Your Chrysanthemums

For these plants to flourish, they require a lot of water and sunlight. However, you only need to make the soil moist and not oversaturated. You must buy mums with unopened buds to ensure they bloom all season.


Clematis is a beautiful purple perennial flower that livens up your garden. This plant produces huge, up to eight-inch-wide flowers. Furthermore, because the young plant of the clematis can blossom in July and September, the plant is frequently referred to as a repeat bloomer.

Botanical Name

This plant’s scientific name is Clematis species. The plant belongs to the Buttercup family and has more than 300 species. Clematis originated from the United States and thrives under fun sunlight. The plant vines grow up to 30 feet.

How to Care For Your Clematis

The clematis enjoys full sun if you are in a colder region. Simply keep the roots sufficiently shaded. It is better to expose the plant to a partially shaded environment in hotter areas to prevent the vibrant colors from fading. Additionally, you must use well-drained soils to get the best out of your Clematis.


Coneflowers are hardy purple perennial flowers that you can find in almost every garden. Each bloom has several tiny flowers rich in color. Butterflies, hummingbirds, and bees love these purple flowers, while some birds enjoy eating the seeds. Coneflowers bloom in the early spring and produce lots of colors.

Botanical Name

The botanical name for Coneflower is Echinacea purpurea, and the flower originated in North America. When grown, coneflowers can reach heights of one to three feet. These plants can endure several temperatures but do not thrive well in rainy or humid climates.

How to Care For Your Coneflower

As long as the soil is not overly damp, you may plant coneflowers in almost any kind of soil. Although these flowers can tolerate drought, they perform best with regular watering until they become well established. Hence, it would help if you always watered your flowers to get the best out of them.

Coral Bells

You will find hundreds of Coral Bell varieties to consider when looking for the best purple perennial flower. These perennials have flowers of various colors and bell-like shapes. Although the leaves are traditionally green, some varieties have gold, purple, pink, and other colors. These blooms are beloved by hummingbirds and butterflies, and you frequently see some birds and insects flying around them.

Botanical Name

The botanical name for this purple perennial flower is Heuchera species, and the plant originates from North America. The plant favors partial shade in hotter climates to keep its vibrant colors from fading. The plant can reach a height of 16 inches when fully grown.

How to Care For Your Coral Bells

Coral Bells thrive well in humus-rich, well-drained, and slightly acidic soils. Ensure not to use too wet soil for your plant because it could cause root rot. However, you can water your plant regularly to make the soil moist enough for proper growth.


This plant has several sizes. You can find some small types only as high as two feet, while you could also see others as tall as seven feet. There are more than 20,000 dahlia varieties you can consider.

Botanical Name

The botanical name for this plant is the Dahlia species.

How to Care For Your Dahlia Flowers

Many gardeners love Dahlia for the beauty it brings to the garden. This flower, a native of South America, is a sun-loving perennial that thrives best in hard zones. The plant loves well-drained soils. Due to their native environment, these flowers require regular watering to survive arid soils.

Dalmatian Bellflower

The Croatian Dalmatian Mountains gave rise to the name of this flower. These perennials are low-growing species used by gardeners for filling open spaces, edging, and as foliage that drapes over retaining walls. The plant forms a bright mound of periwinkle-purple flowers underneath its dark-green leaves. The plant blooms from spring up until the fall season.

Botanical Name

The botanical name for Dalmatian Bellflowers is Campanula portenschlagiana. The plant grows up to six inches in partial to full-shade sunlight.

How to Care For Your Dalmatian Bellflowers

You can expose these plants to partial or full sunlight depending on the heat index of your area. The plant’s flowers spread quickly when watered regularly and exposed to sufficient sunlight. It would help if you planted these flowers in well-drained and moist soils. However, ensure that you do not overwater your plants.


Daylilies are the absolute favorites for beginner gardeners, although expert gardeners also love using these flowers in their gardens. These flowers are not lilies, although they look almost like lilies. Some of the plant’s blooms contain several colors within their beautiful petals. These flowers are drought and flood-resistant. Moreover, they grow quickly and can survive several soil and sun conditions.

Botanical Name

The botanical name for daylilies is Hemerocallis species. The plant originated from Asia. Daylilies can grow up to eight inches to five feet.

How to Care For Your Daylilies

For daylilies, the recommended daily sunshine exposure is at least five hours. You can expose the plant to some afternoon shade in hotter regions. Although these perennials perform well in moist soils, it is best to use fertile loamy soil when planting them. Additionally, it would help if you regularly watered these plants until they mature.

Which is the Best Easy-to-grow Purple Flower?

We have lighted several easy-to-grow purple flowers on our list. However, the most common varieties you could easily grow include Daylilies, Dahlia, and Coneflowers.

Are There Tall Purple Flowers I Can Grow Easily?

Certainly, you could grow certain tall purple flowers with ease. Examples of tall perennials you could grow for their height include daylilies, clematis,  coral bells, and the like.

Are There Small Purple Flowers You Could Easily Grow?

You can find several perennials that have short heights. Such flowers are suitable for indoor growth as well as for garden use. Examples include bluebonnet, dahlia, etc.

Which Is the Best Purple Perennial Flower for Indoors Use?

There are many purple perennial flowers you could grow indoors. It is best to pick flowers that do not need so much exposure to sunlight. Also, always check for plants that favor the type of soil available. Our article has included several purple perennial flowers with different soil, water, and light requirements. You can consider any of these plants based on your preference and the environmental conditions in your region.


We have included the most common purple perennial flowers you can plant in your garden. Additionally, our list covers the best purple perennial flower for indoor gardens. You can use these flowers to add more beauty to your garden. Our list has small purple flowers and tall purple flowers that you can grow in several soil conditions.

We also included easy-to-grow purple flowers so that beginner gardeners can enjoy planting these purple perennial flowers. You can pick any of these flowers on our list to add fragrance and variety to your garden. No need to worry; we only included flowers you can easily maintain without stressing yourself. You can always ask a professional gardener for help if you do not know how to plant your preferred purple perennial flower.

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