HomeFlowers & Blooms22 Best Annuals with Blue Flowers

22 Best Annuals with Blue Flowers

Here are the most stunning Annuals with Blue Flowers that you must definitely have in your collection for a royal appeal!

Check out this curated list of Annuals with Blue Flowers and experience nature’s true charm with these vibrant and enchanting blooms.

Check Best Blue Flowers For the Garden here

Annuals with Blue Flowers

Do note that some flowers on this list may have a tint of purple along with the shade of blue, which may result in them not looking like a ‘proper’ blue.

1. Bush Violet

Annuals with Blue Flowers 1

Botanical Name: Browalia

USDA Zones: 9-10

These Annuals with Blue Flowers bloom a lot during the whole season and prefer to grow in filtered light or partial shade, especially in the morning sun.

2. Bachelor’s Buttons

Botanical Name: Centaurea cyanus

USDA Zones: 2-11

Also known as Cornflowers, Bachelor’s buttons are traditional blue or lavender flowers that have been grown in gardens for a very long time. These flowers have frilly round shapes.

3. Candle Delphinium

Annuals with Blue Flowers 3

Botanical Name: Delphinium elatum

USDA Zones: 3-7

Candle delphiniums, also known as larkspurs, are tall Annuals with Blue Flowers that come in the shades of blue or lavender. They stand tall on long stems.

Check Best Pink and Blue Flowers here

4. Floss Flower

Botanical Name: Ageratum houstonianum

USDA Zones: 10-11

This beautiful annual plant has fluffy blooms in shades of blue or lavender. They look great when planted together in large groups in flower beds or borders.

5. Lobelia

Annuals with Blue Flowers 5

Botanical Name: Lobelia erinus

USDA Zones: Most zones as an annual

Lobelia are excellent Annuals with Blue Flowers that is great for filling empty spaces in the garden. Its stems spreads out, making it ideal for covering the ground too.

6. Love-in-a-Mist


Botanical Name: Nigella damascena

USDA Zones:2-11

Love-in-a-mist grows for only one year. It has soft and fern-like leaves with beautiful blue flowers that bloom in spring and autumn.

Check Beautiful Trees With Blue Flowers here

7. Bluebird Nemesia

Annuals with Blue Flowers 7
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Botanical Name: Nemesia fruticans

USDA Zones: 8-10

The bluebird nemesia are delicate Annuals with Blue Flowers that can brighten up spring and fall gardens beautifully. It grows best in containers with regular watering.

8. Heavenly Blue Morning Glory


Botanical Name: Ipomoea tricolor ‘Heavenly Blue’

USDA Zones: 2-12

The ‘Heavenly Blue’ morning glory is a fast-growing plant that climbs and covers fences, arbors, pergolas, and trellises. It has big trumpet-shaped blue flowers.

9. Petunia

Annuals with Blue Flowers 9

Botanical Name: Petunia x atkinsiana

USDA Zones: Most zones as annuals

These Annuals with Blue Flowers are simple to grow, look great in pots, and blossom from spring until fall. Petunias can handle hot and humid weather well.

10. Mealycup Sage (Salvia)

Botanical Name: Salvia farinacea

USDA Zones: 4-10 as an annual

Mealycup sage is a type of blue-violet salvia that hummingbirds and butterflies love. It is a tender plant, which means it can survive as a perennial in warm climates.

Check Best Baby Blue Flowers here

11. Swan River DaisyAnnuals with Blue Flowers 11

Botanical Name: Brachyschome iberidifolia

USDA Zones: 9-11

Swan river daisies are small and easy-to-care-for plants. You can use them in fairy gardens or along walkways to add a pop of color and interesting texture.

12. Summer Snapdragon

Botanical Name: Angelonia angustifolia

USDA Zones: 9-11

Angelonia is sometimes mistaken for the annual snapdragon, which is why it’s called summer snapdragon. These Annuals with Blue Flowers come in different forms.

Check Stunning Vines & Climbers With Blue Flowers here

13. Blue VervainAnnuals with Blue Flowers 13

Botanical Name: Verbena hastata

USDA Zones: 3-9

Blue vervain, also known as verbena, is an annual plant that can handle dry conditions and often spreads independently. It has tall spikes with small flowers and grows in clusters.

14. Bacopa

Botanical Name: Bacopa Monnieri

USDA Zones: 8-11

Bacopa is a wonderful Annuals with Blue Flowers for places with partial or filtered sunlight. It produces small, delicate flowers in various colors like pink, white, and blue.

15. FanflowerAnnuals with Blue Flowers 15

Botanical Name: Scaevola aemula

USDA Zones: 10-11

Scaevola looks lovely when it trails out of planters or hanging baskets. For the best growth and lots of flowers, it needs full sun.

Check Best Blue Flowers to Grow in Containers here

16. Blue Star

Botanical Name: Isotoma axillaris

USDA Zones: 10-11

Isotoma, also known as star flowers, are often grown as perennials in warmer climates. These Annuals with Blue Flowers have fine, dark green, fern-like leaves.

17. Phlox

Annuals with Blue Flowers 17

Botanical Name: Phlox Subulata

USDA Zones: 2-11

Annual phlox is sometimes mistaken for perennial phlox, but they have some differences. Annual phlox comes in more colors and works well in pots or small gardens.

18. Wishbone Flower


Botanical Name: Torenia fournieri

USDA Zones: 8-11

These bushy Annuals with Blue Flowers grows in shaded areas and produces trumpet-shaped flowers in bold colors like deep blues, pinks, and yellow.

19. Pansy

Annuals with Blue Flowers 19

Botanical Name: Viola x wittrockiana

USDA Zones: 7-10

Pansies are a good choice for planting in early spring when the weather is uncertain and nights can be cold. When it gets warmer, pansies may become tall and thin.

20. Common Ragwort

Botanical Name: Pericallis x hybrida

USDA Zones: 9-11

Cineraria is a flower that you often find in flower arrangements and bouquets. It has lovely and cheerful daisy-like flowers with smooth, delicate petals. The flowers open in early summer and usually don’t have a strong smell, although some types may be more fragrant than others.

21. Blue Pimpernel

Annuals with Blue Flowers 21

Botanical Name: Anagallis monelli

Blue Pimpernel has bright blue, star-shaped flowers with a yellow or green center. The petals usually have five lobes and are around 1 cm in diameter.

22. Blue Daze


Botanical Name: Evolvulus glomeratus

The flowers of Blue Daze are a vivid sky-blue or light blue color, which gives the plant its common name. Its blossoms are funnel-shaped, with five slightly overlapping petals.

Check Best Clematis With Blue Flowers here


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