Rosa 'Twice In A Blue Moon' (Rose 'Twice In A Blue Moon')

Botanical name

Rosa 'Twice In A Blue Moon'

Other names

Rose 'Twice In A Blue Moon', Hybrid tea rose 'Twice In A Blue Moon'

Genus

Rosa Rosa

Variety or Cultivar

'Twice In A Blue Moon' _ 'Twice In A Blue Moon' is a deciduous, upright, hybrid tea type rose with green leaves. In late spring it has fragrant, silver-lilac flowers that repeat until the first frost. It has good disease resistance.

Foliage

Deciduous

Fragrance

The flowers are lightly scented.

Habit

Bushy, Compact

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Colour

Flower

Silvery-grey, Lilac in Spring; Silvery-grey, Lilac in Summer; Silvery-grey, Lilac in Autumn

Foliage

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

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How to care

Watch out for

Specific pests

Aphids , Caterpillars , Glasshouse red spider mite , Leafhoppers , Rabbits , Rose leaf-rolling sawfly

Specific diseases

Powdery mildew , Rose black spot , Rose rust

General care

Propagation methods

Budding, Hardwood cuttings

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Monthly care advice

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Where to grow

Rosa 'Twice In A Blue Moon' (Rose 'Twice In A Blue Moon') will reach a height of 1m and a spread of 0.7m after 2-5 years.

Suggested uses

City, Cottage/Informal, Beds and borders

Cultivation

Plant in full sun, but will tolerate other aspects too. Best not to plant roses where other roses have grown previously.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

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.

Hardy (H4)

USDA zones

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

Defra's Risk register #1

Plant name

Rosa 'Twice In A Blue Moon' (Rose 'Twice In A Blue Moon')

Common pest name

grape ground pearl

Scientific pest name

Margarodes vitis

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

Main pathway; Vitis spp. plants for planting; already prohibited. However; further consideration of other pathways is required.

Defra's Risk register #2

Plant name

Rosa 'Twice In A Blue Moon' (Rose 'Twice In A Blue Moon')

Common pest name

Scientific pest name

Phyllocoptes fructiphilus

Type

Mite

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

Pest of economical and socially important host in the UK; which is currently absent. If introduced it has the potential to cause significant damage. Statutory action against findings is justified and regulation of the pest advised.

Defra's Risk register #3

Plant name

Rosa 'Twice In A Blue Moon' (Rose 'Twice In A Blue Moon')

Common pest name

Scientific pest name

Rose Rosette Virus

Type

Virus or Viroid

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

Pest of economical and socially important host in the UK; which is currently absent. If introduced it has the potential to cause significant damage. Statutory action against findings is justified and regulation of the pest advised.

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/