Geranium reuteri (Giant geranium)

Botanical name

Geranium reuteri

Other names

Giant geranium, Canary Island geranium, Canary Island cranesbill, Geranium canariense

Genus

Geranium Geranium

Species

G. reuteri - G. reuteri is a tender, annual, biennial, or short-lived, semi-evergreen to evergreen perennial forming a large rosette of palmate leaves divided into glossy, toothed, dark green leaflets and, from late spring to late summer, upright, hairy, branched stems bearing magenta to deep pink flowers with white centres.

Foliage

Semi evergreen

Habit

Rosette

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Colour

Flower

Pink in Spring; Pink in Summer

Foliage

Dark-green in All seasons

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How to care

Watch out for

Specific pests

Sawflies , Capsid bug , Vine weevil

Specific diseases

Downy mildew , Powdery mildew

General care

Pruning

Remove old flowers and leaves to encourage the production of new growth.

Propagation

Self-seeds readily in ideal growing conditions.

Propagation methods

Seed

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Monthly care advice

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Where to grow

Geranium reuteri (Giant geranium) will reach a height of 0.6m and a spread of 0.6m after 2-5 years.

Suggested uses

Woodland, Wildlife, Wildflower, Rock, Ground Cover, Cottage/Informal, Beds and borders

Cultivation

Grow in moderately fertile, well-drained soil. In areas with cool summers, plant in a site that receives morning sun and afternoon shade. In areas with hot summers, plant in partial shade.

Soil type

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

Soil drainage

Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, South, East, West

Exposure

Sheltered

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

Indoor heated (H1), Tender in frost (H3)

USDA zones

Zone 11, Zone 10, Zone 9

Defra's Risk register #1

Plant name

Geranium reuteri (Giant geranium)

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: 7^th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/