20 Bonny Blue Plants and Flowers

Blue is to your garden what black is to your closet—it goes with just about everything.
From: DK Books - Small Garden
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©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2010, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2011, Dorling Kindersley Limited

©2008, Dorling Kindersley Limited

©2009, Dorling Kindersley Limited

Photo By: Image courtesy of Proven Winners

Centaurea Cyanus Produces Beautiful Blue Blooms

The first part of Cornflower's Latin name gives the geographic origins and natural habitat. The second part, Cyanus, tells us the avid blue physical characteristic of this flower.

'Heavenly Blue' Morning Glory

Ipomoea tricolor 'Heavenly Blue' is a fast growing climber with twining stems. This variety of morning glory bears sky blue, funnel-shaped flowers with white centers throughout summer.

Globe Thistle

Echinops ritro, globe thistle, is a robust perennial, with divided, prickly dark green leaves whiter underneath, and round, violet blue flowerheads on silver grey, branched, leafy stems.

Perry's Blue

Iris sibirica 'Perry's Blue' is a clump forming, herbaceous perennial with narrow, star-shaped leaves. In late spring to early summer. it bears clear blue flowers with white and yellow markings and dark blue veins on the falls.

'Bluebird'

Hydrangea serrata 'Bluebird' has blue central fertile florets encircled with blue to purple sterile florets on a lovely lacecap cultivar with serrated leaves. The small, dark blue sepals fall to the ground like fluorescent blue confetti.

'Empire Blue' Butterfly Bush

Buddleja davidii 'Empire Blue' is a large butterfly bush variety with arching branches, lance shaped leaves, and panicles of scented pale blue flowers. Nectar rich plants encourage benefical wildlife into the garden.

'Sour Grape'

Penstemon 'Sour Grape' is an upright perennial with lush foliage and grape colored flowers from early summer. It blooms from July to October.

Blue African Lily

Agapanthus 'Blue Giant' is an herbaceous perennial with large umbels of funnel shaped blue flowers in mid and late summer. It is perfect for pots or tubs.

'Oxford Blue'

Eryngium bourgatii 'Oxford Blue' forms clumps of divided leaves with prominent white veins and cone-like, dark blue flower heads with silvery blue, spiny bracts.

Blue Delphiniums

Delphinium is a hardy perennial with beautiful spires of colorful flowers that soar upwards on sturdy stems throughout summer. A must-have plant for cottage garden scheme.

Summer Blues

Delphinium grandiflorum 'Summer Blues' is a wonderfully compact plant that is blanketed with sky blue flowers in early summer. 'Summer Blues' has better heat tolerance and is early blooming.

Cornflowers Have Bright Blue Blooms

Cornflowers are annuals with bright blue blooms. Their ruffled petals attract bees and butterflies, plus they are quick growing plants.

Hydrangea 'Mariesii Lilacina'

A handsome, free-standing hydrangea, ‘Mariesii Lilacina’ is grown for its mauve-pink to blue, showy lacecap flowers, which appear in midsummer.

Pretty in Periwinkle

Corydalis flexuosa 'Purple Leaf' produces fragrant clusters of periwinkle blue flowers and ferny foliage infused with purple hues. It blooms in the spring, and may go dormant with the onset of heat in summer.

Blue Hosta

Hosta sieboldiana 'Elegans' is a large hosta with deep, smoky blue, slightly frosted heart-shaped foliage. Deep veins give the leaves a corrugated look. White flowers bloom in early spring.

Forget-Me-Nots

The tiny sky blue blooms of the Forget-me-not have white, pink or yellow centers and appear above lance-shaped, bright green foliage in summer.

Gentiana Verna Bears Bright Blue Flowers in Spring

An easy, beautiful alpine, Gentiana verna produces intense, bright blue flowers with white centers in the spring above its evergreen perennial dark green leaves.

Solanum's A Climber

Solanum is a fast-growing climber with small, oval green leaves and clusters of purple-blue flowers with yellow centers in summer.

Blue Fox Grass

Festuca glauca 'Blue Fox' forms small, but very striking blue mounds of tufted, ornamental grass with blue green flowers in summer, which fade to pale brown in autumn. It requires dry soil and lots of sun.

Hydrangea Macrophylla 'Rhapsody Blue'

The florets of this hydrangea have a distinctive geometric shape, and are closely packed into full, richly colored mophead flowers held up on sturdy stems. The tidy habit and good wilt-resistance add to its appeal. The real show, however, may be its easy shift from pink to rich amethyst blue. Will reach 2-3 feet in height and is hardy to zone 5.