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Caryopteris x clandonensis Longwood Blue – Bluebeard

Additional information

Size

Common Name

Type

Family

Native?

Zone

5, 5b, 6, 7, 8, 8b, 9

Height Range (ft.)

2.00 to 3.00

Spread (ft.)

2.00 to 3.00

Bloom Time

,

Bloom Description

bluish-purple flowers, dense clusters, Fragrant, Small

Sun

Water

Maintenance

Suggested Use

, , ,

Tolerate

,

Growth Rate

,

Attracts

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Caryopteris x clandonensis Longwood Blue – Bluebeard

Longwood Blue Bluebeard is a compact shrub with vivid blue late-summer flowers, ideal for sunny borders and pollinator gardens.

$35.99

Please note: Sizes 1.5 Gallon and up can’t be shipped outside the counties of Nassau, Suffolk, and Queens.

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Ground shipping is paused due to summer heat. Only local delivery (Long Island & Queens) is available. Orders placed during the pause will begin processing September 1, and ground shipping will resume September 15.

Click here to learn more.

Additional information

Size

Common Name

Type

Family

Native?

Zone

5, 5b, 6, 7, 8, 8b, 9

Height Range (ft.)

2.00 to 3.00

Spread (ft.)

2.00 to 3.00

Bloom Time

,

Bloom Description

bluish-purple flowers, dense clusters, Fragrant, Small

Sun

Water

Maintenance

Suggested Use

, , ,

Tolerate

,

Growth Rate

,

Attracts

, ,

Product Description

Caryopteris × clandonensis ‘Longwood Blue’, commonly known as Bluebeard, is a compact woody shrub valued for its late-season flowering, tidy habit, and strong pollinator appeal. This small shrub typically grows 2 to 4 feet tall and wide, forming a rounded shape that fits easily into borders and mixed plantings.

From late summer into early fall, clusters of deep blue flowers appear along the stems, providing color when many other shrubs have finished blooming. The aromatic gray-green foliage adds texture throughout the growing season and contrasts nicely with the vivid flowers. Its compact size makes it especially useful in smaller gardens.

Longwood Blue performs best in full sun and prefers well-drained soils. It flowers on new growth and benefits from being cut back in early spring. Once established, it is drought tolerant and requires minimal maintenance.

Why choose Longwood Blue Bluebeard

Late-season color: Blooms when few other shrubs are flowering
Pollinator appeal: Attracts bees and beneficial insects
Compact habit: Easy to fit into borders and small spaces

Cultivating tips

Sun exposure: Full sun
Soil needs: Prefers well-drained soils
Maintenance: Low—prune back in early spring

Designs for your garden

Pollinator gardens: Provides late-season nectar
Mixed borders: Adds color and contrast
Small landscapes: Compact size works well in limited areas

Ecological benefits

Pollinator support: Provides late-season floral resources
Low-input shrub: Performs well with minimal care
Seasonal interest: Extends color into late summer and fall

Looking for Native Alternatives?

Pycnanthemum muticum – Blunt Mountainmint: Blunt Mountainmint is a native perennial with a long summer bloom period and exceptional pollinator value. It provides a similar late-season nectar source and a compact, shrubby presence in sunny gardens.

Monarda fistulosa – Wild Bergamot: Wild Bergamot is a native perennial that produces showy lavender flowers in mid to late summer and attracts bees and butterflies. It offers comparable color impact and strong ecological benefits.

Agastache foeniculum – Anise Hyssop: Anise Hyssop is a native perennial with upright growth and blue-purple flower spikes that bloom through summer. It provides long-lasting pollinator support and works well in sunny borders.

Plant appearance may vary by season and growing conditions. All plants ship healthy with established root systems.

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Caryopteris x clandonensis Longwood Blue – Bluebeard

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Frequently Asked Questions

Is Bluebeard ‘Longwood Blue’ native to the United States?

No. Caryopteris × clandonensis is a hybrid of Asian origin, combining species native to China and Central Asia. While ‘Longwood Blue’ is a cultivated variety developed in the U.S., the plant itself is non-native and does not offer the same ecological benefits as native flowering shrubs.

What makes ‘Longwood Blue’ different from other Bluebeard varieties?

‘Longwood Blue’ is known for its abundant lavender-blue flowers, silvery-green aromatic foliage, and upright, compact growth habit. It tends to bloom more profusely and reliably than many other cultivars, making it a popular choice for late-season color in sunny gardens.

How large does Bluebeard ‘Longwood Blue’ grow?

This variety typically grows 2 to 3 feet tall and wide, forming a rounded, bushy shape. It’s ideal for borders, pollinator gardens, and low-maintenance perennial beds.

What are the ideal growing conditions for Bluebeard?

Bluebeard prefers full sun and well-drained soil. It is drought-tolerant once established and thrives in USDA zones 5 through 9. Prune it back in early spring, as it blooms on new wood and responds well to rejuvenation pruning.

Is ‘Longwood Blue’ good for pollinators and wildlife?

Yes. Although non-native, Bluebeard is highly attractive to bees, butterflies, and other pollinators thanks to its late-summer to fall blooms. However, it does not support native insect larvae or birds in the same way native shrubs do.

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Only Local Delivery Available (Long Island & Queens)

Ground Shipping Paused

To protect our plants from extreme summer heat, we’ve paused nationwide ground shipping to avoid any damage during transit.

Local Delivery Only

We’re still delivering locally to Long Island and Queens, so nearby customers will continue to receive orders as usual.

Fall Pre-Orders Are Open Nationwide!

We will resume normal shipping for non-local orders placed during the pause in early September.

Thank you for your support and understanding—we’re looking forward to growing with you this fall!