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Caryopteris x clandonensis Longwood Blue – Bluebeard

Additional information

Size

Common Name

Type

Family

Native?

Non-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

Celtis occidentalis, or Common Hackberry, is a hardy native shade tree with corky bark, wildlife-friendly fruit, and broad adaptability to urban and poor soils.

$35.99

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Additional information

Size

Common Name

Type

Family

Native?

Non-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

Celtis occidentalis, commonly known as Common Hackberry, is a rugged native shade tree valued for its adaptability, wildlife benefits, and tolerance of urban and tough site conditions. Reaching 40 to 60 feet tall with a broad, arching canopy, Hackberry features rough, corky bark, serrated leaves, and small reddish-purple fruits in late summer that attract birds and other wildlife. It thrives in a wide range of soils, including heavy clay, dry sites, and areas with urban stress, making it an excellent choice for restoration, large landscapes, and habitat-focused plantings.

Why choose Common Hackberry:

  • Tough and adaptable: Thrives in urban, dry, or clay-heavy soils

  • Wildlife-friendly: Fruits feed birds; leaves support native butterfly larvae

  • Shade provider: Grows into a large, arching tree ideal for cooling open spaces

Cultivating tips:

  • Sun exposure: Prefers full sun

  • Soil needs: Extremely adaptable—tolerates dry, wet, and poor soils

  • Maintenance: Minimal; prune to shape when young if needed

Designs for your garden:

  • Shade tree: Excellent for large yards, parks, and public landscapes

  • Habitat restoration: Ideal for naturalizing disturbed or urban areas

  • Biodiverse plantings: Attracts a wide range of wildlife and beneficial insects

Ecological benefits:

  • Larval host plant: Supports Mourning Cloak, Hackberry Emperor, and other butterflies

  • Bird support: Fruit attracts songbirds and other wildlife

  • Native species: Enhances biodiversity and strengthens regional ecosystems

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Caryopteris x clandonensis Longwood Blue – Bluebeard

$35.99
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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