Salvia rosmarinus 'Blue Rain' (Rosemary 'Blue Rain')

Botanical name

Salvia rosmarinus 'Blue Rain'

Other names

Rosemary 'Blue Rain', Rosmarinus officinalis 'Blue Rain', Cascading rosemary 'Blue Rain', Trailing rosemary 'Blue Rain'

Genus

Salvia Salvia

Variety or Cultivar

'Blue Rain' _ 'Blue Rain' is an evergreen, perennial shrub with a spreading or cascading habit. It has grey-green, linear, aromatic leaves and light blue flowers that have a long bloom period from spring throughout summer.

Native to

Garden origin

Foliage

Evergreen

Fragrance

Foliage is aromatic.

Habit

Bushy, Prostrate, Spreading, Trailing

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Colour

Flower

Insignificant or absent, Blue in Spring; Blue, Insignificant or absent in Summer; Insignificant or absent, Blue in Autumn

Foliage

Grey-green in All seasons

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How to care

Watch out for

Specific pests

Brown scale , Rosemary leaf beetle

General care

Pruning

No pruning required.

Propagation methods

Semi-hardwood cuttings

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Monthly care advice

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Where to grow

Salvia rosmarinus 'Blue Rain' (Rosemary 'Blue Rain') will reach a height of 0.2m and a spread of 0.6m after 5-10 years.

Suggested uses

Coastal, Cottage/Informal, Drought Tolerant, Beds and borders, Low Maintenance, Mediterranean, Containers, Wallside and trellises, Foliage only

Cultivation

Plant in poor, well-drained soil in a sheltered, sunny site.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

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

Tender in frost (H3)

USDA zones

Zone 10, Zone 9, Zone 8, Zone 7

Defra's Risk register #1

Plant name

Salvia rosmarinus 'Blue Rain' (Rosemary 'Blue Rain')

Common pest name

tomato thrips

Scientific pest name

Ceratothripoides brunneus

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

Thrips present in Africa; the Caribbean and parts of Asia; frequently intercepted in the UK. Can cause significant damage to tomatoes and other crops in countries where it is present. Europe wide PRA will consider its potential to establish and cause damage.

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/