15 Best Purple Flowering Plants For a Stunning Garden


If you are looking for purple flowering plants, you are lucky because there is a wide range of options for your garden. Your choices range from perennials that require little gardening to low-maintenance-annuals. You can save time and money spent on replanting by choosing perennials to give your garden a pop of purple.

This flowering guide comprises extensive research on up to 15 purple flowering plants such as lavender and allium that give your garden a naturally soothing color.

While these plants exhibit unique qualities such as smell, most purple flowering plants attract insects, wildlife, and domestic animals. For instance, household lavender plants appeal to cats.

You will also find plants with purple flowers that grow in the shade, full sun, or partial sun for a spot in your garden. Gardeners can grow these plants separately or pair them with other hues. These 15 purple flowering plants could be just what you need for their unique color and smells. Here we go!

15 Best Annuals and Perennials with Purple Flowers

Whether you want to plant either perennials or annuals, you always will find purple flowering plants for your garden. You also get every season’s annual flower pick for your garden.

Purple flowering perennials range in the following categories:

  • Tall purple flowering perennials
  • Medium perennial height purple flowering perennials
  • Short purple flowering perennials

This article highlights purple flowering plants’ features such as bloom times, unique smell, growth habits, and hardiness to help you decide the best option for your garden. As a result, you will find a purple flowering plant, no matter the size and style of your garden.

The following options will add a shade of purple to your garden borders and beds:

1. Phlox (Phlox paniculata)

Picture of purple Phlox

If you are looking for flowers that bloom in clumps and plants that grow to approximately 2 to 3 feet tall, then you should garden this beautiful perennial.

You get shades of purples such as blue paradise and flame blue to your garden. This plant grows best in alkaline to slightly acidic soil. These purple perennial flowers plant blooms during summers all through to winter.

The star-shaped flowers attract pollinators such as hummingbird moths and bumblebees. If you choose the phlox, be ready to deadhead the flowers more often to get more blooms during spring.

Besides, this is the perfect time to pinch the stem in increasing branching.

2. Bellflower (Campanula Glomerata)

Picture of purple Bellflower

This purple flowering plant is known for its bell-shaped blooms. You should grow this plant if your garden is well-drained and receives plenty of sunshine for long hours.

Fortunately, it also thrives in partial sun. This purple flowering perennial plant can bloom all summers if you deadhead it regularly.

Although the flower is available in many variants, the purple color is the most common variety available. Remember to sow your seeds in spring for the best results. The bellflowers plants include the following species:

  • Mound-forming plants
  • Creeping groundcovers
  • Tall purple flowering plants

Get ground cover with the creeping groundcovers of purple flowers. The bellflower family includes both biennial and annual varieties that blossom from late spring and all through in summer.

3. Balloon Flower (Platycodon grandiflorus)

Picture of purple Balloon flower

This perennial plant belongs to the bellflower family. These flowers thrive both in drought-prone or cold areas. These long-living perennial plants are straightforward to take care of because they do not require any dividing. Besides, they repel deer and blossom best during summer.

4. Lavender (Lavandula species)

Picture of purple lavender

Lavender is a sun-loving and deer-resistant flower that thrives in well-drained soils. Most people know it for its essential oil content and scent.

You can choose from different variants of this most common plant. Note that lavender varieties such as Grosso, Hidcote superior, Munstead, and phenomenal bloom best in summer and late spring.

This purple flowering plant grows between 1 and 4 feet to produce tiny flowers.

You will prefer this plant because of the following:

  • Lavender is an insect repelling plant.
  • Lavender has a nice scent you can enjoy along the garden paths and walkways.
  • Lavender flowers’ aroma can relieve anxiety, helps one relax, and minimizes the effects of day-to-day stress.

5. Allium (Millenium flowering onion)

Picture of purple alliums

The Millenium flowering onion repels vole, rabbit, and deer. Its flowers assume an onion shape when they bloom. Besides, the flower belongs to the onion family.

They are easy to take care of because they are companion plants for other flowers. Again, they attract oodles of valuable pollinators such as bees and butterflies.

If you are looking for a purple flowering plant that blooms for weeks and easy-to-care, the allium is a winner for you. The 15-22 inches tall plant’s orb-shaped bloom cluster best in mid-summer.

However, blooming begins in late spring and continues all through to late summer. The onion-shaped blooms are perfect for any garden.

6. Salvia (Salvia Nemorosa)

Picture of purple salvia

Salvia is among the most valued annuals and perennials known for its easy care and diversity in colors. This purple flowering plant that grows from 8- to 30-inch-tall thrives best in summer.

You will notice a skinny spike that implies that the plant belongs to the mint family. However, it blooms best if sowed in a partial shade.

Regardless of your landscape or season, these tubular purple flowers will give your garden the purple hues you desire. Choose from diverse saliva varieties such as May Night and the Evolution to get a flowering perennial for weeks in summer.

Other types worth growing include Amethyst and Cardonna that grow best in dry garden beds and sunny or hot areas.

7. Spike Speedwell (Veronica Spicata)

Picture of purple spike speedwell

Garden this deer-resistant purple flowering plant that can survive as low as -40 degrees F in winter. It is grown mainly because of its wand-like flowers and long bloom period. A gardener with a small space can grow Veronica in containers.

The plant requires total sun exposure with minimal shade to produce spires of densely packed flowers.

The plant grows between 16 and 18 inches to produce flowers that open up the bottom to give your garden the desired look.

This purple flowering perennial is, however, affected by powdery mildew. Fortunately, you can choose from resistant variants such as royal candles that bloom for weeks.

8. Catmint (Nepeta)

Picture of purple catmint

This is another easy-to-grow purple flowering plant you should choose from for your garden. Its purple flower spikes attract common pollinators such as Hummingbirds. Catmints thrive in full sun.

Sow common variants such as N. sibirica and Nepeta x faassenii for the best purple flowers. However, beware that most hybrid catmints do not seed. Therefore, flan to take cutting during summer when the plant is not blossoming. Similarly, you can divide the catmint during spring.

9. Vervain (Verbena stricta)

Picture of purple vervain

North American native perennial produces purple flowers that stand out in the garden. Vervain is an excellent choice for a gardener whose farm receives plenty of sunlight for long hours. Ensure that the soil is moist to conditions that hinder flowering.

Although the Vervain is hard to find in gardens for purple flowering perennials, you can always sow the seeds of this sun-loving plant. In addition, deer do not bother the plant.

Thanks to its delicious nectar, the tree grows up to approximately 5 feet and attracts pollinators such as bees. It would help if you did not worry about low temperatures because Vervain can survive even when winter is at -30 degrees F.

10. Morning Glory

Picture of purple morning glory

Grow this vine for the beautiful hues of purple in your garden. The morning glory flowers are among the best choices in the category of self-seeded garden plants.

Ensure you choose your spot wisely to avoid overcrowding. The plant’s bloom often spans up to 4-inches to ensure summer-long purple color. Grow the plant in moderate climate conditions and wake up to saucer-shaped flowers in the morning.

11. Annual Vinca Flowers

Picture of purple vinca flowers

A gardener looking for a soft purple color should plant the vinca flowers. This flowering plant thrives in full sun and blooms in summer. You can either choose the variety that stands upright or from that which hangs around.

The trailing flower gives your garden a stunning look when planted strategically in a potted container or hanging basket in your garden. Choose a low-maintenance plant that is also pollinator-friendly.

12. Mountain Coneflower (Centaurea Montana)

Picture of purple mountain cone flower

This flower’s plant can grow to at least 5 ft tall for the beautifully shaped purple flowers to liven your garden’s look. Grow this purple flowering plant in lean soil. This mountain coneflower originates from Europe’s woodlands and meadows. Its violet flowers stand out from lance-shaped leaves.

The flowers bloom in early summer, and they attract pollinators such as bees. Avoid planting these flowers on heavily amended soils that alters with the flowering process.

13. Clematis (The President)

Picture of purple clematis

The Clematis is popular climbing -vine for covering a shed, fence, and large arbor thanks to its 6 to 10 feet wideness and up to 5 feet tallness.

This popular perennial vine with purple flowers takes less space and blooms for many weeks. You can choose from a diverse variety of this exceptionally vigorous summer-flowering plant.

Sow it at the sunny spot of your garden and watch it grow to and bloom. It attracts pollinators such as butterflies to give your garden a stunning look it deserves. You can choose from Clematis cultivars such as Jackmanii and Arabella.

14. Cleome (Violet Queen)

Picture of purple cleome

This pollinate-friendly purple flowering plant, also known as the spider flower, thrives in almost all climates. Most gardeners love its bristle-like blooms that give the fence of the back of the garden a stunning look.

They grow up to 5 feet to form an anchor point for cleome clusters. You can enjoy a spectacular view of hummingbirds and butterflies that fly around purple petals in search of nectar.

15. Purple Geranium (Rosemoor)

Picture of purple geranium

The flower’s purple shed will allure you to love its beauty. Its halo shape that comprises five petals in an open cluster will liven your garden. Geranium repels deer and attracts valuable pollinators.

The purple flowering plant thrives in well-drained soils and blooms year-round in the presence of plenty of sunlight. You can grow the Geranium in your garden or a pot indoors if it receives the needed sunlight. Besides, it can also grow well in the presence of partial sunlight.

“Love is the flower you’ve got to let grow.”

 John Lennon

Conclusion on 15 Best Purple Flowering Plants For a Stunning Garden

Are you planning to grow flowers that give your garden an elegant look? The above mix of 15 perennial and annual flowers exhibits amazing shapes, different bloom times, and a unique smell that will add a sense of serenity to your garden.

Add these best purple flowering plants to your garden to make it look more stunning than ever before!

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Tony O'Neill

I am Tony O'Neill, A full-time firefighter, and professional gardener. I have spent most of my life gardening. From the age of 7 until the present day at 46. My goal is to use my love and knowledge of gardening to support you and to simplify the gardening process so you are more productive

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