Aquilegia, Clematis-flowered Columbine ‘Black Barlow’

Category:

Perennials

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Sun to Partial Shade

Light Shade

Foliage:

Herbaceous

Foliage Color:

Blue-Green

Height:

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

12-15 in. (30-38 cm)

Hardiness:

USDA Zone 3a: to -39.9 °C (-40 °F)

USDA Zone 3b: to -37.2 °C (-35 °F)

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow:

Can be grown as an annual

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Dark Purple/Black

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Bloom Size:

Unknown – Tell us

Bloom Time:

Mid Spring

Late Spring/Early Summer

Mid Summer

Other details:

Unknown – Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Direct sow as soon as the ground can be worked

From seed; sow indoors before last frost

From seed; direct sow after last frost

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored

Regional

This plant has been said to grow in the following regions:

Brea, California

San Diego, California

San Francisco, California

Plainfield, Illinois

Wilmette, Illinois

Switz City, Indiana

Benton, Kentucky

Berea, Kentucky

South China, Maine

Ellicott City, Maryland

Swansea, Massachusetts

Saginaw, Michigan

Buffalo, New York

Cleveland, Ohio

Geneva, Ohio

Oklahoma City, Oklahoma

Grants Pass, Oregon

Portland, Oregon

Delaware Water Gap, Pennsylvania

Doylestown, Pennsylvania

Norristown, Pennsylvania

Columbia, South Carolina

Hendersonville, Tennessee

Salt Lake City, Utah

Kalama, Washington

Seattle, Washington

Owen, Wisconsin

show all

Aquilegia vulgaris var. stellata ‘Black Barlow’ (Barlow Series) (Columbine ‘Black Barlow’)

Botanical name

Aquilegia vulgaris var. stellata ‘Black Barlow’ (Barlow Series)

Other names

Genus

Aquilegia Aquilegia

Variety or Cultivar

‘Black Barlow’ (Barlow Series) _ ‘Black Barlow’ (Barlow Series) is a clump-forming, herbaceous perennial with divided, mid-green basal leaves and dark purple to purple-black flowers on tall stems in late spring and early summer.

Foliage

Deciduous

Habit

Clump-forming, Upright

Toxicity

Eating can cause stomach irritation.

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Colour

Flower

Dark-purple, Black in Spring; Black, Dark-purple in Summer

Mid-green in Spring; Mid-green in Summer

How to care

Watch out for

Specific pests

Aphids , Leaf-mining sawflies

Specific diseases

Powdery mildew

General care

Pruning

Cut back stems after flowering. Cut down leaves in autumn or earlier if affected by fungal diseases.

Propagation

Sowing from seed is the preferred propagation method. Aquilegia hybridises freely in the garden so plants grown from garden-collected seed may not come true to type. Divide and replant roots in spring. Resents disturbance so may take some time to recover

Propagation methods

Division, Seed

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Where to grow

Suggested uses

Beds and borders, Cottage/Informal, Flower Arranging, Low Maintenance, Underplanting, Woodland

Cultivation

Grow in fertile, moist but well-drained soil. Likes full sun or partial shade. This cultivar will self-seed freely and self-sown plants may be moved in spring. Division is possible in spring but it will take the plant a while to recover.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 10, Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4

Defra’s Risk register #1

Plant name

Aquilegia vulgaris var. stellata ‘Black Barlow’ (Barlow Series) (Columbine ‘Black Barlow’)

Common pest name

; Aquilegia downy mildew

Scientific pest name

Aquilegia downy mildew

Type

Oomycete

Current status in UK

Present (Widespread)

Likelihood to spread in UK (1 is very low – 5 is very high)

Impact (1 is very low – 5 is very high)

General biosecurity comments

Established pest of a widely grown ornamental in the UK. Potential for economic and social impacts unless resistant varieties are developed. Statutory action unlikely to prevent further spread.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read “Don’t risk it” advice here

Suspected outbreak?

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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