17 Stunning Blue and Purple Flowers

Raul Cornelius is a Senior Editor at BalconyGardenWeb and an expert in flower and herb cultivation based in Phoenix, Arizona. A frequent speaker at horticultural events, he is also an active contributor to Facebook flower groups. Holding an MBA and a BCom, Raul blends his gardening skills with strong leadership and analytical abilities. Passionate about writing and photography, he enjoys early mornings with coffee and books, and nature bike rides during weekends.
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Here’s an exclusive list of stunning Blue and Purple Flowers that you must include in your garden for a fascinating color combo!

Play around with combinations with some of the Best Blue and Purple Flowers that we have on the list for you!

Check out the best pink and blue flowers here

Best Blue and Purple Flowers

1. Bluebells

Botanical Name: Hyacinthoides non-scripta

USDA Zone: 4-9

Bluebells are popular Blue and Purple Flowers that can add a soft, romantic feel to any garden. These flowers are a great choice for pairing with other colors.

2. Clematis


Botanical Name: Clematis occidentalis

USDA Zone: 4-9

Clematis are popularly known as western blue virgins’ bower. With proper care, these Blue and Purple Flowers can grow into a beautiful and impressive vine.

Here are the best Clematis with blue flowers

3. Empire Blue Butterfly Bush

Botanical Name: Buddleja davidii ‘Empire Blue’

USDA Zone: 5-9

It is a beautiful shrub that produces clusters of fragrant, blue-purple flowers. They are one of the popular choices for attracting butterflies and other pollinators to your garden.

4. Gentian


Botanical Name: Gentiana lutea

USDA Zone: 3-9

Gentians are a group of flowering plants that are known for their vibrant blue or purple blooms. They need regular watering, partial shade, and slightly acidic soil.

5. Grape Hyacinth


Botanical Name: Muscari armeniacum

USDA Zone: 4-9

Grape hyacinths are a popular spring-blooming bulb with beautiful blue, purple, or white flowers that resemble tiny grapes. Plant them in the fall to enjoy flowers in spring.

6. Hydrangeas


Botanical Name: Hydrangea macrophylla

USDA Zone: 5-9

Hydrangeas are a classic garden flower that comes in a variety of colors, including blue and purple. If you want blue blooms, you’ll need to have acidic soil.

Have a look at the best types of Hydrangeas here

7. Lavender


Botanical Name: Lavandula angustifolia

USDA Zone: 5-10

Lavender is a great choice for a low-growing plant, as it can be used as a ground cover or edging. It’s also perfect for attracting bees and other pollinators to your garden.

8. Passion Flower


Botanical Name: Passiflora

USDA Zone: 6-10

Passion flowers are beautiful and exotic plants that can add a unique touch to any garden or indoor space. You can use trellises, fences, or other structures to provide support.

9. Periwinkle


Botanical Name: Catharanthus roseus

USDA Zone: 4-8

Periwinkle is a tough evergreen ground cover that blooms in the spring with lovely blue or white flowers. It benefits from regular pruning to control its spread.

10. Salvia

Botanical Name: Salvia officinalis ‘Berggarten’

USDA Zone: 4-10

Salvia is a hardy perennial that comes in a variety of colors, including blue and purple. The flowers are spiky and attract hummingbirds and butterflies to your garden.

Check out our article on combating Salvia problems here

11. Iris

Botanical Name: Iris

USDA Zone: 5-9

Irises come in a variety of colors, but the deep blue-purple varieties are especially beautiful. Irises are a great choice for a vertical accent in your garden.

12. Delphiniums


Delphinium ‘Sweet Sensation’

Botanical Name: Delphinium

USDA Zone: 3-7

Delphiniums are stunning flowers and have tall, spiky blooms that can grow up to 4-6 feet tall. Delphiniums are a great choice for adding height and drama to your garden.

13. Blue Poppies

Botanical Name: Meconopsis betonicifolia

USDA Zone: 5-9

Blue poppies are rare and exotic flowers that come in shades of blue and purple. They require a cool, moist climate to grow, so they are not suitable for all regions.

14. Balloon Flower

Botanical Name: Platycodon grandiflorus

USDA Zone: 3-8

Balloon flowers are easy to care for and can be grown in full sun or partial shade. Balloon flowers are also known for their long bloom time.

15. Veronica Georgia Blue

Botanical Name: Veronica peduncularis

USDA Zone: 3-11

Low-growing Veronica Georgia Blue is a perennial plant that blooms in the spring and summer with ethereal blue flowers.

16. Lupine

Botanical Name: Lupinus

USDA Zone: 3-8

Lupine is a beautiful flowering plant that is relatively easy to grow, and it can add a splash of color to your garden. It grows best in well-draining soil.

17. Mountain Larkspur


Botanical Name: Delphinium glaucum

USDA Zone: 2-10

The Mountain Larkspur is a stunning perennial flower that produces tall spikes of delicate, bell-shaped flowers in shades of blue, purple, and white.

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