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Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' )

Intermediate
skill rating
2 hours care
per year
0.1m
Max height
1m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Aubrieta 'Royal Blue'

Other names

Aubretia 'Royal Blue'

Genus

Aubrieta Aubrieta

Variety or Cultivar

'Royal Blue' _ 'Royal Blue' is a compact, mat-forming, evergreen perennial with small leaves and iridescent blue flowers in spring.


Aubrieta 'Royal Blue' is: Evergreen

Habit

Compact, Mat Forming, Spreading

Awards

RHS AGM (Award of Garden Merit)

Flower

Blue in Spring

Foliage

Green in Spring; Green in Summer

How to care

Watch out for

Specific pests

Aphids , Flea beetles Aphids , Flea beetles

White blister White blister

General care

Pruning

Cut back after flowering to encourage dense, compact growth.

Propagation methods

Division, Seed, Semi-hardwood cuttings, Softwood cuttings


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Where to grow

Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' ) will reach a height of 0.1m and a spread of 1m after 5-10 years.

Suggested uses

Bees (attract & feed bees), Banks and Slopes, Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Ground Cover, Rock

Cultivation

Prefers alkaline to neutral soil in full sun.

Soil type

Chalky, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

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)

Companion plants

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

Botanical name

Aubrieta 'Royal Blue'

Other names

Aubretia 'Royal Blue'

Genus

Aubrieta Aubrieta

Variety or Cultivar

'Royal Blue' _ 'Royal Blue' is a compact, mat-forming, evergreen perennial with small leaves and iridescent blue flowers in spring.

Foliage

Evergreen

Habit

Compact, Mat Forming, Spreading

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Blue in Spring

Foliage

Green in Spring; Green in Summer


How to care

Watch out for

Specific pests

Aphids , Flea beetles

Specific diseases

White blister

General care

Pruning

Cut back after flowering to encourage dense, compact growth.

Propagation methods

Division, Seed, Semi-hardwood cuttings, Softwood cuttings


Monthly care advice


Where to grow

Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' ) will reach a height of 0.1m and a spread of 1m after 5-10 years.

Suggested uses

Bees (attract & feed bees), Banks and Slopes, Beds and borders, City, Containers, Cottage/Informal, Garden edging, Gravel, Ground Cover, Rock

Cultivation

Prefers alkaline to neutral soil in full sun.

Soil type

Chalky, Sandy

Soil drainage

Well-drained

Soil pH

Alkaline, Neutral

Light

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

Defra's Risk register #1

Plant name

Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' )

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

Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' )

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.

Defra's Risk register #3

Plant name

Aubrieta 'Royal Blue' (Aubretia 'Royal Blue' )

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.

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, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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