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Hesperis matronalis (Sweet rocket)

Beginner
skill rating
1 hour care
per year
0.9m
Max height
0.5m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Hesperis matronalis

Other names

Sweet rocket, Dame's rocket, Hesperis matronalis violet , Close sciences, Damask, Damask violet, Queen's gilliflower, Summer lilac, Rogue's gilliflower, Garden rocket, Dame's violet

Genus

Hesperis Hesperis

Species

H. matronalis - H. matronalis is a rosette-forming, biennial or short-lived perennial with ovate to elliptic, toothed, hairy, dark green leaves and upright stems bearing racemes of fragrant, lilac, purple, or white flowers from late spring into summer.


Hesperis matronalis is: Deciduous

Fragrance

The sweet fragrance is most pronounced in the evening

Habit

Upright, Rosette

Flower

Purple, Violet in Summer

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn

How to care

Watch out for

Pests

Generally pest free

Specific pests

Aphids , Leafhoppers , Slugs Aphids , Leafhoppers , Slugs

Diseases

Generally disease free

General care

Pruning

Deadhead regularly. Cut back after flowering.

Propagation methods

Seed, Basal cuttings


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Where to grow

Hesperis matronalis (Sweet rocket) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.

Suggested uses

Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Wildflower, Wildlife

Cultivation

Grow in moist but well-drained, fertile soil in full sun or partial shade. In cold areas, protect with a dry winter mulch. Relatively short-lived but self-seeds freely.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun

Aspect

South

Exposure

Exposed, Sheltered

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

Tender in frost (H3)

Companion plants

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

Botanical name

Hesperis matronalis

Other names

Sweet rocket, Dame's rocket, Hesperis matronalis violet , Close sciences, Damask, Damask violet, Queen's gilliflower, Summer lilac, Rogue's gilliflower, Garden rocket, Dame's violet

Genus

Hesperis Hesperis

Species

H. matronalis - H. matronalis is a rosette-forming, biennial or short-lived perennial with ovate to elliptic, toothed, hairy, dark green leaves and upright stems bearing racemes of fragrant, lilac, purple, or white flowers from late spring into summer.

Foliage

Deciduous

Fragrance

The sweet fragrance is most pronounced in the evening

Habit

Upright, Rosette


Colour

Flower

Purple, Violet in Summer

Foliage

Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn


How to care

Watch out for

Pests

Generally pest free

Specific pests

Aphids , Leafhoppers , Slugs

Diseases

Generally disease free

General care

Pruning

Deadhead regularly. Cut back after flowering.

Propagation methods

Seed, Basal cuttings


Monthly care advice


Where to grow

Hesperis matronalis (Sweet rocket) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.

Suggested uses

Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Wildflower, Wildlife

Cultivation

Grow in moist but well-drained, fertile soil in full sun or partial shade. In cold areas, protect with a dry winter mulch. Relatively short-lived but self-seeds freely.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

Full Sun

Aspect

South

Exposure

Exposed, Sheltered

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

Tender in frost (H3)

USDA zones

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

Defra's Risk register #1

Plant name

Hesperis matronalis (Sweet rocket)

Common pest name

Cassava whitefly; Cotton whitefly; Sweet potato whitefly; Tobacco whitefly

Scientific pest name

Bemisia tabaci non-European populations

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

Non-European populations of Bemisia tabaci pose an additional risk to European populations due to the potential for introducing non-European viruses.

Defra's Risk register #2

Plant name

Hesperis matronalis (Sweet rocket)

Common pest name

Cassava whitefly; Cotton whitefly; Sweet potato whitefly; Tobacco whitefly

Scientific pest name

Bemisia tabaci European populations

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)

4

General biosecurity comments

The UK has a protected zone in place for this pest which helps to mitigate the risk of entry and establishment. An EFSA opinion is currently being discussed at the EU Annexes Working Group which recommends further strengthening of the regulation.

Defra's Risk register #3

Plant name

Hesperis matronalis (Sweet rocket)

Common pest name

Lance nematode; Nematode; Lance

Scientific pest name

Hoplolaimus spp.

Type

Nematode

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)

4

General biosecurity comments

Nematode species potentially affecting a wide variety of crops; prohibition of soil likely to mitigate risk substantially; keep under review in light of interceptions or findings should they occur in the EU.

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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Soil types: Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
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Light: Full Sun Tell us...
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Exposure: Exposed, Sheltered Tell us...
Hardiness: Tender in frost (H3) Tell us...

DISCUSS THIS PLANT

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