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46 Plants with Blue Flowers, Berries and Foliage

Classic blue is a serene, calming color perfect for our current times. Who these days isn’t looking for some serenity in their lives? While flowers are the most obvious way to add blue to your garden, blue foliage, blue berries and even blue paint can all help create a calming oasis right outside your door. Here are 46 blue plants to consider for your garden.

Contributors: Kerry Meyer

Annuals with Blue Flowers 

If you are looking for constant all summer color, blue annual flowers are your best choice. These selections will show a wide range of options to consider for your garden beds and containers.

Blue My Mind® Dwarf Morning Glory (Evolvulus)

True blue flowers and fuzzy, silvery-green foliage and extremely heat-tolerant plants.


Laguna® Sky Blue lobelia (Lobelia)

Soft blue flowers all summer on cascading, well-branched plants.


Laguna® Dark Blue lobelia (Lobelia)

This lobelia has flowers that are true, real blue and offers better heat tolerance than older varieties.


Unplugged® So Blue® salvia (Salvia)

Mid-sized plants that love heat, don't mind humidity and will bloom non-stop for months. 


Supertunia® Royal Velvet® petunia (Petunia)

The deep blue and purple flowers of this petunia look fancy, but are unfussy. 


Superbells® Double Blue calibrachoa (Calibrachoa)

Abundant, small petunia-like flowers all season on cascading growth, no deadheading necessary.


Superbells® Blue Moon Punch calibrachoa (Calibrachoa)

By the time hard frost comes in fall, this plant will have showered your garden with thousands of blooms. 


Superbena® Stormburst verbena (Verbena)

The most eye-catching part of Superbena Stormburst is the fun striped pattern of violet and white.


Snowstorm® Glacier Blue bacopa (Sutera)

A trailing plant with light blue flowers and a spreading habit. 


Snowstorm® Blue bacopa (Sutera)

Blue-lavender flowers that are great as an annual groundcover or edging plant. 


Beth’s Blue® star flower (Isotoma)

Beloved for its unique star-shaped flowers and interesting texture. 


Angelface® Cascade Blue summer snapdragon (Angelonia)

Perfectly suited for hanging baskets and combinations with a light grape soda fragrance. 

Endless Illumination bush violet (Browallia)

Brilliant shade flowers bloom profusely throughout the season. 

 

Perennials with Blue Flowers

Blue perennial flowers will grace your garden year after year with their lovely blue blooms.


‘Storm Cloud’ bluestar (Amsonia)

Star-shaped, periwinkle blue flowers appear atop dark stems with olive green leaves. 

Decadence® ‘Sparkling Sapphires’ false indigo (Baptisia)

Vivid violet-blue flowers appear atop a compact, upright clump of deep blue-green foliage in spring. 


Decadence® ‘Blueberry Sundae’ false indigo (Baptisia)

Vibrant indigo blue spires produce an excellent floral display.


Sweet Romance® lavender (Lavandula)

Clusters of tiny flowers perfect for cutting for fresh and dried bouquets.


‘Cat’s Meow’ catmint (Nepeta)

Flowers are dense, colorful and fragrant, without flopping. 


‘Cat’s Pajamas’ catmint (Nepeta)

A long-blooming perennial with indigo-blue flowers that provide an intense splash of color. 


‘Denim ‘n Lace’ Russian sage (Perovskia)

Lacy-like, bright sky blue flowers are the perfect addition to a garden in hot, dry areas.


Color Spires® ‘Azure Snow’ perennial salvia ‘Salvia’

This colorful perennial has deep violet-blue and white bicolor flower spikes that attract pollinators.


Color Spires® ‘Crystal Blue’ perennial salvia ‘Salvia’

Easy to grow plants with cool sky blue flower spikes above grey-green foliage. 


Color Spires® ‘Indiglo Girl’ perennial salvia ‘Salvia’

In late spring to early summer enjoy a plethora of large, indigo blue flowers. 

 

Shrubs with Blue Flowers

Shrubs are the backbone of most gardens and these blue flowering shrubs will be great additions to you garden.


Pugster Blue® Butterfly Bush (Buddleia)

This compact plant has large, full flowers that bloom non-stop from early summer through frost. 


Lo and Behold® ‘Blue Chip Jr.’ Butterfly Bush (Buddleia)

A smaller variety with bluer flowers and a much earlier bloom time. 


Beyond Midnight® bluebeard (Caryopteris)

Add much-needed color to the late summer landscape with these deep-blue flowers. 


Blue Chiffon® rose of Sharon (Hibiscus)

Distinctive blue flowers for the late summer garden complement many popular perennials.


Tiny Tuff Stuff mountain hydrangea (Hydrangea)

Enjoy an abundance of dainty flowers that cover the plant every summer.


Tuff Stuff Ah-ha® Reblooming mountain hydrangea (Hydrangea)

You'll have a constant supply of fabulous blooms from early summer through frost. 

Let's Dance® Rhythmic Blue® Reblooming Hydrangea (Hydrangea)

Features dozens of lush, full, mophead flowers that are pink in alkaline soils and a fabulous blue in acidic conditions.


Blue Diddley®
Chastetree (Vitex)

These summer flowers are a delightful addition to mixed borders and perennial gardens.

Scentara® Double Blue lilac (Syringa)

Cool purple blooms take on a blue tone in the spring sunshine and offer incredible fragrance. 

 

Shrubs with Blue Berries

The most unexpected way to add blue to your garden is the blue berries found on these three shrubs.


All That Glitters® arrowwood viburnum (Viburnum)

Early summer brings hundreds of white flower clusters, which are followed by shiny blue fruit in fall.


Blue Muffin® arrowwood viburnum (Viburnum)

This shrub boasts neat foliage, white spring flowers, and the namesake blue fruits in autumn. 

Sky Dew Gold blueberry (Vaccinium)

An ornamental blueberry with appealing bright gold foliage and white flowers prior to berry production.

Perennials and Shrubs with Blue Foliage

Plants with blue foliage add a subtler splash of color to your garden. 


Pinpoint® Blue false cypress (Chamaecyparis)

You'll fall in love with the lush color and soft, feathery texture of this upright evergreen. 


Blues Festival® St. John’s-wort (Hypericum)

Attractive blue-green leaves contrast with bright yellow sunburst-like flowers in July and August. 


Double Play® Blue Kazoo® spirea Spiraea

Blue foliage and white flowers work with any home color, even strong orange or red brick. 


‘Serendipity’ ornamental onion (Allium)

Globe-like, rosy-purple flowers top attractive blue foliage. 


‘Paint the Town’ pinks (Dianthus)

This brightly colored perennial has fuchsia flowers atop a mound of blue foliage. 


Fruit Punch® ‘Black Cherry Frost’ pinks (Dianthus)

Enjoy velvety red flowers with near white edge atop a low mound of silvery blue foliage.


Prairie Winds® ‘Totem Pole’ switch grass (Panicum)

This ornamental grass forms an upright column of steel blue foliage with golden seed heads in fall.


Rock ‘n Grow® ‘Popstar‘ stonecrop (Sedum)

A dense mound of blue-green foliage covered with salmon-pink flowers in late summer and early fall. 


Shadowland® ‘Diamond Lake’ hosta (Hosta)

Use this large blue hosta to add color to your shade garden!


Shadowland® ‘Waterslide’ hosta (Hosta)

This beautiful blue ruffled hosta with rippled leaves holds its color all season long.

Learn more:

Blue Garden Ideas 

Using Color in the Garden

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