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Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl')

Beginner
skill rating
1 hour care
per year
0.75m
Max height
0.75m
Max spread
2-5 years
To maturity
Low
Toxicity

Plant details

Botanical name

Euphorbia characias 'Black Pearl'

Other names

Spurge 'Black Pearl', Mediterranean spurge 'Black Pearl', Euphorbia 'Black Pearl'

Genus

Euphorbia Euphorbia

Variety or Cultivar

'Black Pearl' _ 'Black Pearl' is a compact, evergreen shrub with upright, leafy, biennial stems bearing linear to ovate, grey-green leaves and, from early spring into summer, cylindrical cymes of tiny, yellow flowers and conspicuous, black nectar glands surrounded by prominent, green to yellow-green bracts.


Euphorbia characias 'Black Pearl' is: Evergreen

Habit

Compact, Clump-forming, Upright

Toxicity

All parts of the plant are highly toxic if ingested. The milky sap may cause irritation to skin and eyes.

Flower

Yellow-green in Spring; Yellow-green in Summer

Foliage

Grey-green in All seasons

How to care

Watch out for

Pests

Generally pest-free.

Diseases

Generally disease-free.

General care

Propagation methods

Seed, Division


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Where to grow

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl') will reach a height of 0.75m and a spread of 0.75m after 2-5 years.

Suggested uses

Architectural, Beds and borders, City, Cottage/Informal, Drought Tolerant, Low Maintenance, Mediterranean

Cultivation

Plant in free-draining soil in full sun. If necessary, add grit or sharp sand to the soil to improve drainage. Dislikes winter wet, so a gravel mulch will help avoid rotting.

Soil type

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

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Sheltered

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

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Euphorbia characias 'Black Pearl'

Other names

Spurge 'Black Pearl', Mediterranean spurge 'Black Pearl', Euphorbia 'Black Pearl'

Genus

Euphorbia Euphorbia

Variety or Cultivar

'Black Pearl' _ 'Black Pearl' is a compact, evergreen shrub with upright, leafy, biennial stems bearing linear to ovate, grey-green leaves and, from early spring into summer, cylindrical cymes of tiny, yellow flowers and conspicuous, black nectar glands surrounded by prominent, green to yellow-green bracts.

Foliage

Evergreen

Habit

Compact, Clump-forming, Upright

Toxicity

All parts of the plant are highly toxic if ingested. The milky sap may cause irritation to skin and eyes.


Colour

Flower

Yellow-green in Spring; Yellow-green in Summer

Foliage

Grey-green in All seasons


How to care

Watch out for

Pests

Generally pest-free.

Diseases

Generally disease-free.

General care

Propagation methods

Seed, Division


Monthly care advice


Where to grow

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl') will reach a height of 0.75m and a spread of 0.75m after 2-5 years.

Suggested uses

Architectural, Beds and borders, City, Cottage/Informal, Drought Tolerant, Low Maintenance, Mediterranean

Cultivation

Plant in free-draining soil in full sun. If necessary, add grit or sharp sand to the soil to improve drainage. Dislikes winter wet, so a gravel mulch will help avoid rotting.

Soil type

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

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Sheltered

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

Hardy (H4)

USDA zones

Zone 8, Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl')

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

Type

Insect

Current status in UK

Absent

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

2

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

5

General biosecurity comments

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

Defra's Risk register #2

Plant name

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl')

Common pest name

Powdery mildew: cotton; Powdery mildew: eggplant; Powdery mildew: pepper; Powdery mildew: tomato

Scientific pest name

Leveillula taurica

Type

Fungus

Current status in UK

Present (Limited)

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

3

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

3

General biosecurity comments

Believed to be present and no statutory action is being taken. Status needs to be confirmed by survey.

Defra's Risk register #3

Plant name

Euphorbia characias 'Black Pearl' (Spurge 'Black Pearl')

Common pest name

Banded-winged whitefly

Scientific pest name

Trialeurodes abutiloneus

Type

Insect

Current status in UK

Absent

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

3

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

3

General biosecurity comments

Polyphagous whitefly native to the Americas with the potential to introduce harmful viruses to the UK. EU regulation should be considered and further assessed by EPPO.

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? Click here for contact details to report to the relevant authority.

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

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Can I safely move euphorbia characias?

I have several of these plants which are now 2 years old. Unfortunately I planted them too close together and would like to move one as I am redesigning the bed in which they are planted.They must be… read more

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