Dianthus 'Diamond Scarlet' (Diamond Series) (Sweet william 'Diamond Scarlet')

Botanical name

Dianthus 'Diamond Scarlet' (Diamond Series)

Other names

Sweet william 'Diamond Scarlet', Dianthus barbatus 'Diamond Scarlet', Carnation 'Diamond Scarlet'

Genus

Dianthus Dianthus

Variety or Cultivar

'Diamond Scarlet' _ 'Diamond Scarlet' is a compact, bushy, short-lived, evergreen perennial, often grown as an annual or biennial, with linear, dark green leaves and, from late spring into summer, erect stems bearing clusters of lightly fragrant, scarlet flowers from late spring into summer.

Foliage

Evergreen

Habit

Bushy, Compact

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Colour

Flower

Red in Spring; Red in Summer

Foliage

Dark-green in All seasons

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How to care

Watch out for

Specific pests

Aphids , Caterpillars , Slugs

Diseases

Rust, a virus and wilt.

Specific diseases

Rust , Virus

General care

Pruning

Deadhead regularly to prolong flowering.

Propagation methods

Seed

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Monthly care advice

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Where to grow

Dianthus 'Diamond Scarlet' (Diamond Series) (Sweet william 'Diamond Scarlet') will reach a height of 0.2m and a spread of 0.2m after 2-5 years.

Suggested uses

Banks and Slopes, City, Cottage/Informal, Beds and borders, Garden edging, Gravel, Containers, Coastal, Roof terrace, Flower Arranging

Cultivation

Plant in well-drained, neutral to alkaline soil in full sun. Grows best in soil enriched with well-rotted manure or garden compost. Apply a balanced fertiliser in spring.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

Partial Shade, 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 10, Zone 9, Zone 8, Zone 7

Defra's Risk register #1

Plant name

Dianthus 'Diamond Scarlet' (Diamond Series) (Sweet william 'Diamond Scarlet')

Common pest name

Omnivorous leafroller

Scientific pest name

Platynota stultana

Type

Insect

Current status in UK

Absent

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

4

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

3

General biosecurity comments

Polyphagous pest which could be potentially damaging to a range of crops if introduced to the UK. Awareness raising amongst the industry is needed. Also need to monitor developments in Spain where the pest is already present and consider whether EU regulation is warranted.

Defra's Risk register #2

Plant name

Dianthus 'Diamond Scarlet' (Diamond Series) (Sweet william 'Diamond Scarlet')

Common pest name

American serpentine leaf miner; chrysanthemum leaf miner

Scientific pest name

Liriomyza trifolii

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)

3

General biosecurity comments

Regulated pest already subject to review at the EU level (2013). Regularly intercepted in the trade.

Defra's Risk register #3

Plant name

Dianthus 'Diamond Scarlet' (Diamond Series) (Sweet william 'Diamond Scarlet')

Common pest name

African cottom leafworm; Cotton leafworm; Egyptian cotton leafworm; Egyptian cotton worm; Mediterranean climbing cutworm; Meditteranea Brocade; Tobacco cutworm

Scientific pest name

Spodoptera littoralis

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)

3

General biosecurity comments

Regulated pest; frequently intercepted with occasional outbreaks which have been successfully eradicated in the UK.

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