Iris 'Florentina' (Florentine iris )

Botanical name

Iris 'Florentina'

Other names

Iris florentina, Iris 'Florentina', German iris 'Florentina', Florentine iris , Glaive lily, Orrice root, Orris root, Iris filifolia 'Florentina' , Iris germanica var. florentina, Iris 'Florentina Alba', Iris germanica 'Florentina'

Genus

Iris Iris

Variety or Cultivar

'Florentina' _ 'Florentina' is a rhizomatous, semi-evegreen perennial with fans of upright, sword-shaped, grey-green leaves and, in spring, branched stems bearing fragrant, white flowers with blue-flushed falls and yellow beards.

Foliage

Semi evergreen

Fragrance

Flowers are fragrant.

Habit

Clump-forming, Erect

Toxicity

Ingestion may cause severe discomfort.

Awards

RHS AGM (Award of Garden Merit)

Colour

Foliage

Grey-green in All seasons

How to care

Watch out for

Specific pests

Slugs , Snails , Thrips

Specific diseases

Grey mould , Iris rhizome rot

General care

Pruning

Remove faded flower stems. Cut back any dead or faded leaves in autumn.

Propagation

Divide every 3-4 years for best blooms.

Propagation methods

Division

Monthly care advice

Where to grow

Iris 'Florentina' (Florentine iris ) will reach a height of 0.75m and a spread of 0.6m after 2-5 years.

Suggested uses

Beds and borders, City, Coastal, Containers, Cottage/Informal, Flower Arranging, Wallside and trellises, Wildlife

Cultivation

Grow in fertile, well-drained, slightly acid to neutral loam in full sun.

Soil type

Loamy, Clay

Soil drainage

Well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

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 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3

Defra's Risk register #1

Plant name

Iris 'Florentina' (Florentine iris )

Common pest name

Red rice root aphid; Rice root aphid

Scientific pest name

Rhopalosiphum rufiabdominalis

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

Potentially significant glasshouse pest; growers should monitor for its presence. Routine aphid control should be effective in mitigating risk.

Defra's Risk register #2

Plant name

Iris 'Florentina' (Florentine iris )

Common pest name

common blossom thrips; cotton bud thrips; tomato thrips

Scientific pest name

Frankliniella schultzei

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)

3

General biosecurity comments

Polyphagous glasshouse pest; present in many countries; single finding in 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: 7^th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/