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Browse Plants

Narrowed By:Type: Shrubs+ Flower Color: Blue
Displaying 1 - 20 of 22 listings   1 | 2View AllNext > Sort By: Sort
Buddleia 'Lochinch' Buddleia 'Lochinch'
(Butterfly bush, Summer lilac)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Butterfly bushes are carefree deciduous shrubs that are reliably fragrant and easy to grow. Butterflies swarm to their blooms all summer long. 'Lochinch' has extremely fragrant lilac-blue flowers with orange eyes. It is a cross between B. davidii and B. fallowiana. Its arching, mounded habit typically reaches 3 to 5 feet in one season, but can grow much taller in the deep South. The 8-  to 12-inch-long flower spikes begin in late summer and bloom until frost, starting a little later than the B. davidii cultivars.

Buddleia davidii 'Black Knight' Buddleia davidii 'Black Knight'
(Butterfly bush, Summer lilac)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Butterfly bushes are carefree deciduous shrubs that are reliably fragrant and easy to grow. Butterflies swarm to their blooms all summer long. 'Black Knight' has deep purple-blue, almost black, flowers in elongated clusters on arching branches to 10 feet tall if not cut back, and half that size if cut back. The blooms come from early summer to first frost. The foliage is willow-like and grayish green.

Caryopteris × clandonensis Caryopteris × clandonensis
(Blue beard, Blue-spirea, Blue-mist shrub )
(3 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

These plants can take worst of the a hot summer (heat, lack of water, and humidity) and still manage to perform well. They generally live four to five years before they need replacing, but during that time, they offer dependable foliage and pretty blue flowers from mid- to late summer. Blue-mist shrubs form low-growing, finely-textured mounds and are deer-resistant.

Caryopteris × clandonensis 'First Choice' Caryopteris × clandonensis 'First Choice'
(Blue beard, Blue-mist shrub)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'First Choice' is ideal for a mixed or shrub border. It's an attractive woody shrub with dark green leaves, dark purplish blue flowers, and a compact habit. Misty blue flowers appear in late summer and early autumn.This plant is relatively drought tolerant and very heat tolerant. The shrub expands as branches that touch the ground form their own roots and may self-seed.

Caryopteris × clandonensis 'Longwood Blue' Caryopteris × clandonensis 'Longwood Blue'
(Blue beard, blue-mist shrub)
(1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Longwood Blue' is ideal for a mixed or shrub border. It's an attractive woody shrub up to 3 feet tall and 5 feet wide with silvery leaves and violet-blue flowers.. The flowers appear along the stems in late summer and early autumn.This plant is relatively drought tolerant and very heat tolerant. The shrub expands as branches that touch the ground form their own roots and may self-seed.

Caryopteris × clandonensis 'Worcester Gold' Caryopteris × clandonensis 'Worcester Gold'
(Blue beard, Blue-mist shrub)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Worcester Gold' is an attractive, mounding, woody shrub with warm yellow to chartreuse foliage and lavender-blue flowers in late summer and early autumn. The flowers are fragrant and attractive to bees and butterflies. The foliage is also aromatic. It is ideal for a mixed or shrub border.

Caryopteris incana 'Jason' Caryopteris incana 'Jason'
(Sunshine blue bluebeard)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Jason' has bright yellow-green foliage with rich amethyst blue flowers in late summer and fall. It's a vigorous grower for a mixed border or mass planting in sunny areas.

Duranta erecta Duranta erecta
(Golden dewdrop, Pigeon berry, Sky flower)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This tropical shrub or small tree may be grown in a mixed or shrub border; in colder climates, it does well in a temperate greenhouse. Flowers in shades of sky-blue, lilac, purple, or white blossom gracefully along arching branches in summer; they are followed by spherical, yellow fruit.

Hydrangea macrophylla Hydrangea macrophylla
(Bigleaf hydrangea, Hortensia, Lace-cap hydrangea, Florist's Hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is one of the most widely recognized species of hydrangeas. It boasts a plentiful number of cultivars. The species is divided into two groups: the Hortensias (or "mopheads") have globe-shaped flowers made up of large male flowers, and the Lacecaps have flattened flower heads, with central, female blossoms ringed in larger, male blossoms. 

Hydrangea macrophylla 'Mathilda Gutges' Hydrangea macrophylla 'Mathilda Gutges'
(Bigleaf hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This compact shrub bears attractive deep green leaves and large, rounded flower heads of deep pink in neutral soil, and intense violet-blue in acidic soil.

Hydrangeamacrophylla 'Mini Penny™' Hydrangea macrophylla 'Mini Penny™'
('Mini Penny™' hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This re-blooming mophead features inflorescences ranging 4-6 inches wide. Their color will be pink or blue depending on aluminum availability in soil. Compact habit with glossy dark green leaves.

Hydrangea macrophylla 'Nikko Blue' Hydrangea macrophylla 'Nikko Blue'
(Bigleaf hydrangea, Florist's hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This is a well-loved and vigorous cultivar with large, rounded flower heads of a rich, gorgeous blue.

Hydrangea macrophylla 'Variegata' Hydrangea macrophylla 'Variegata'
(Bigleaf hydrangea, Florist's hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This mound-forming shrub has white leaf margins and blue or pink lacecap inflorescences.

Hydrangea macrophylla Cityline™ Mars Hydrangea macrophylla Cityline™ Mars
(Cityline™ Mars hydrangea)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

From Proven Winners: A small plant with strong stems and big, heavy magenta and white variegated flowers. The blooms are long lasting and can be changed from magenta-red to blue with the addition of aluminum sulfate to the soil. The flowers age to an attractive green with age. This compact, mildew resistant hydrangea is ideal for containers!

Hydrangea serrata Hydrangea serrata
(Mountain hydrangea)
(2 user reviews)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species was formerly grouped with the Lacecap hydrangeas because of its flattened flowerheads that consist of central, small florets surrounded by showy, larger florets. It is similiar to H. macrophylla but is a more compact plant with smaller flowers and leaves.

Lavandula angustifolia Lavandula angustifolia
(English lavender)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

English lavender has silvery gray, aromatic foliage topped in summer with lavender-blue to dark purple flowers on long stems.

Plumbago auriculata Plumbago auriculata
(Cape leadwort, Cape plumbago)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This evergreen shrub, native to South Africa, has long, skinny stems and phlox-like pale blue flowers. It can be used as a shrub, climber, pot plant, or groundcover.

Rosmarinus officinalis 'Prostratus' Rosmarinus officinalis 'Prostratus'
(Creeping rosemary)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

A hardy, fast-growing evergreen shrub, creeping rosemary has a prostrate habit and attractive flowers and fragrance. Dark green leaves, to 2 inches long, are rich in aromatic oils and commonly used as a culinary herb. This plant is loved for its strong pinelike flavor and fragrance.

Salvia dorrii Salvia dorrii
(Desert purple sage)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Found in the Great Basin deserts of the western U.S., Salvia dorrii is by far one of the most beautiful native Salvia species. A small, woody shrub, it comes into bloom in late spring with short spikes of showy purple bracts and blue flowers. The semievergreen foliage is distinctively silvery gray and highly aromatic. It grows to 18 inches high.

Salvia pachyphylla Salvia pachyphylla
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Giant-flowered purple sage has been winning over gardeners the past few years for its remarkable summer blooms and tough-as-nails demeanor. Native to the dry foothills and mountains of southern California, this sage is considered a woody shrub. It features showy, aromatic silver foliage and bicolored flower spikes with lavender-purple calyces and long, hummingbird-pollinated blue flowers. It grows from 24 to 36 inches high.


Displaying 1 - 20 of 22 listings   1 | 2View AllNext > Sort By: Sort