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Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue')

Beginner
skill rating
1 hour care
per year
1.8m
Max height
1.5m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Salvia guaranitica 'Black and Blue'

Other names

Anise-scented sage 'Black and Blue', Salvia concolor 'Black and Blue', Salvia caerulea 'Black and Blue', Salvia guaranitica 'Black & Blue', Blue anise sage 'Black and Blue'

Genus

Salvia Salvia

Variety or Cultivar

'Black and Blue' _ 'Black and Blue' is a borderline hardy, clump-forming, aromatic, semi-woody perennial, often grown as an annual, with ovate, toothed, wrinkled, hairy, dark-green leaves and, from late summer into autumn, loose spikes of dark blue flowers with black calyces.


Salvia guaranitica 'Black and Blue' is: Deciduous

Habit

Branching, Bushy, Clump-forming, Erect flower stem

Flower

Blue in Summer; Blue in Autumn

Foliage

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

How to care

Watch out for

Pests

Generally pest-free

Diseases

Generally disease free.

General care

Pruning

Deadhead regularly. If treated as an annual, remove after the first frost.

Propagation methods

Semi-ripe cuttings, Division, Softwood cuttings


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Where to grow

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue') will reach a height of 1.8m and a spread of 1.5m after 2-5 years.

Suggested uses

Beds and borders, City, Coastal, Cottage/Informal, Low Maintenance, Mediterranean

Cultivation

Grow in moderately fertile, well-drained soil in a sheltered, sunny site. In areas with cold winters, will need winter protection or overwintering indoors. Under glass, grow in loam-based or loamless compost in full light, shaded from hot, midday sun.

Soil type

Chalky, Loamy, Sandy

Soil drainage

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), Hardy (H4)

Companion plants

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

Botanical name

Salvia guaranitica 'Black and Blue'

Other names

Anise-scented sage 'Black and Blue', Salvia concolor 'Black and Blue', Salvia caerulea 'Black and Blue', Salvia guaranitica 'Black & Blue', Blue anise sage 'Black and Blue'

Genus

Salvia Salvia

Variety or Cultivar

'Black and Blue' _ 'Black and Blue' is a borderline hardy, clump-forming, aromatic, semi-woody perennial, often grown as an annual, with ovate, toothed, wrinkled, hairy, dark-green leaves and, from late summer into autumn, loose spikes of dark blue flowers with black calyces.

Native to

Garden origin

Foliage

Deciduous

Habit

Branching, Bushy, Clump-forming, Erect flower stem


Colour

Flower

Blue in Summer; Blue in Autumn

Foliage

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


How to care

Watch out for

Pests

Generally pest-free

Diseases

Generally disease free.

General care

Pruning

Deadhead regularly. If treated as an annual, remove after the first frost.

Propagation methods

Semi-ripe cuttings, Division, Softwood cuttings


Monthly care advice


Where to grow

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue') will reach a height of 1.8m and a spread of 1.5m after 2-5 years.

Suggested uses

Beds and borders, City, Coastal, Cottage/Informal, Low Maintenance, Mediterranean

Cultivation

Grow in moderately fertile, well-drained soil in a sheltered, sunny site. In areas with cold winters, will need winter protection or overwintering indoors. Under glass, grow in loam-based or loamless compost in full light, shaded from hot, midday sun.

Soil type

Chalky, Loamy, Sandy

Soil drainage

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), Hardy (H4)

USDA zones

Zone 10, Zone 9, Zone 8

Defra's Risk register #1

Plant name

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue')

Common pest name

Alfalfa dwarf; Anaheim disease; California vine disease; Dwarf disease of alfalfa; Dwarf disease of lucerne; Leaf scald of oleander; Leaf scald of plum; Leaf scorch; Phony disease of peach; Pierce's disease of grapevine; Variegated chlorosis of citrus

Scientific pest name

Xylella fastidiosa subsp. multiplex

Type

Bacterium

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)

4

General biosecurity comments

A bacterial disease with a wide host range detected in Corsica. Although EU regulated; there remains some concern about the risk of introduction. This subspecies is known to be able to thrive in cooler climates. Should an outbreak occur; there would be a need for eradication action which would result in environmental and social impacts.

Defra's Risk register #2

Plant name

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue')

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.

Defra's Risk register #3

Plant name

Salvia guaranitica 'Black and Blue' (Anise-scented sage 'Black and Blue')

Common pest name

Green semi-looper

Scientific pest name

Chrysodeixis eriosoma

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 moth pest which is morphologically identical to a pest already established in the UK in protected environments and being controlled by IPM. Not expected to cause greater impacts than other species of Chrysodeixis 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: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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(24/07/2010)

Salvia guaranitica ‘Black and Blue‘

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Tender in frost (H3), Hardy (H4) Tell us...

DISCUSS THIS PLANT

Anise-scented & loved by hummingbirds

Salvia ‘Black and Blue‘ is anise-scented & loved by hummingbirds read more

This plant is very easy to propagate,

This plant is very easy to propagate from cuttings. read more

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