Geranium wallichianum (Geranium)

Botanical name

Geranium wallichianum

Other names

Geranium, Wallich geranium, Cranesbill

Genus

Geranium Geranium

Species

G. wallichianum - G. wallichianum is a mound-forming, herbaceous perennial with trailing stems bearing rounded, lobed, often marbled, mid- to bright green leaves, and, from midsummer into autumn, single, saucer-shaped, veined, lilac to deep purple-pink flowers with notched petals and white centres.

Native to

Garden origin

Foliage

Deciduous

Habit

Cushion or Mound Forming

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Colour

Flower

Lilac, Purple-pink, Veined in Summer; Veined, Lilac, Purple-pink in Autumn

Foliage

Bright-green in Spring; Bright-green in Summer; Bright-green in Autumn

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How to care

Watch out for

Specific pests

Vine weevil , Rose leaf-rolling sawfly , Capsid bug

Specific diseases

Powdery mildew

General care

Pruning

Remove spent flower stems and old leaves to encourage new leaves and flowers.

Propagation

Sow at 15-20C in early spring.

Propagation methods

Basal cuttings, Division, Seed

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Monthly care advice

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Where to grow

Geranium wallichianum (Geranium) will reach a height of 0.3m and a spread of 1.2m after 2-5 years.

Suggested uses

Add to salads, Beds and borders, Cake decoration, Containers, Cottage/Informal, Drought Tolerant, Ground Cover, Underplanting

Cultivation

Best planted in moderately fertile soils in either full sun or partial shade. Shade is tolerated. Avoid waterlogged sites. Will most likely bloom again if trimmed back after first flowering.

Soil type

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

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, 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 8, Zone 7, Zone 6, Zone 5

Defra's Risk register #1

Plant name

Geranium wallichianum (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/