Salix hastata 'Wehrhahnii'
Wehrhahnii willow, Dwarf willow
Salix Salix
'Wehrhahnii' _ 'Wehrhahnii' is a slow-growing, upright, deciduous shrub with dark purple-brown stems, oval, bright to grey-green leaves, and long, showy, silvery grey male catkins in spring.
Salix hastata 'Wehrhahnii' is: Deciduous
Open branches, Upright
RHS AGM (Award of Garden Merit)
Silvery-grey in Spring
Grey-green in Spring; Grey-green in Summer
Aphids , Caterpillars , Leaf beetles (willow and poplar) , Sawflies Aphids , Caterpillars , Leaf beetles (willow and poplar) , Sawflies
Anthracnose diseases , Rust Anthracnose diseases , Rust
Grafting
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Salix hastata 'Wehrhahnii' (Wehrhahnii willow) will reach a height of 1m and a spread of 1m after 5-10 years.
City, Low Maintenance
Plant in deep, moderately fertile soil in full sun.
Clay, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Salix hastata 'Wehrhahnii'
Wehrhahnii willow, Dwarf willow
Salix Salix
'Wehrhahnii' _ 'Wehrhahnii' is a slow-growing, upright, deciduous shrub with dark purple-brown stems, oval, bright to grey-green leaves, and long, showy, silvery grey male catkins in spring.
Deciduous
Open branches, Upright
RHS AGM (Award of Garden Merit)
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Silvery-grey in Spring
Grey-green in Spring; Grey-green in Summer
Aphids , Caterpillars , Leaf beetles (willow and poplar) , Sawflies
Grafting
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Salix hastata 'Wehrhahnii' (Wehrhahnii willow) will reach a height of 1m and a spread of 1m after 5-10 years.
City, Low Maintenance
Plant in deep, moderately fertile soil in full sun.
Clay, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 8, Zone 7, Zone 6, Zone 5
Salix hastata 'Wehrhahnii' (Wehrhahnii willow)
Agrilus fleischeri
Insect
Absent
4
5
Pest of poplar; native to East Asia. Likely to be damaging if introduced to the UK. Protecting against the risk of entry via wood packaging material and other means remains a priority. A Europe-wide assessment would be helpful; to consider strengthened regulation.
Salix hastata 'Wehrhahnii' (Wehrhahnii willow)
Japanese swift moth
Endoclita excrescens
Insect
Absent
2
4
Polyphagous moth pest whose larvae feed off a range of herbaceous and woody hosts. Native to East Asia where substantial impacts have been observed; and current import requirements do not fully mitigate the risk of introduction. A PRA will help to assess the level of risk more fully.
Salix hastata 'Wehrhahnii' (Wehrhahnii willow)
Hylesia nigricans
Insect
Absent
2
4
South American moth which could be damaging to broadleaf species if introduced to the UK; as well as having human health impacts. The main pathway is likely to be goods (including non-plant material) imported from South America and awareness raising with the main industry sectors is recommended.
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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This plant likes... | Garden match | |
Soil types: | Clay, Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained, Moisture-retentive | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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